Spiral inductor calculator. The estimated Inductance, in uh, and .
Spiral inductor calculator. Dec 1, 2024 · Find More Calculator ☟ Air Core Inductor Coil Inductance Calculator This tool helps to calculate the inductance of an air core inductor based on the coil diameter, coil length, and number of turns. Abstract: This technical paper presents a fundamental approach for design and optimization of a spiral inductor using ASITIC (analysis and simulation of spiral inductors and transformers for ICs) and SpiralCalc (integrated spiral inductor calculator). In the text areas provided, enter the Coil Diameter, Coil Length, and Number Of Turns. It provides a convenient way to determine the inductance (measured in Henrys) of a coil based on several key parameters. Use our Advanced Inductor Calculator to quickly compute inductance, wire length, and coil turns for air core, ferrite core, and toroid inductors. Coil Inductance Coil inductance, as the name suggests, is the inductance inherent to a coil of wire. Coil parameter calculations Enter wire diameter, number of turns, bobbin length, bobbin diameter then click compute. Calculate the inductance of single layer planar spiral coils using three different expressions: modified Wheeler, current sheet and monomial fit. Listed below are links to on-line calculators helpful in designing coils for radio applications. Hershenson, S. Air Core Coil Toroidal Inductor Color Code Q Factor Wire Self Parallel Wire Coax Inductor Loop Mutual Inductance Energy Formulas & Theory Air Core Inductor Calculator This tool calculates the inductance of a single-layer, air-cored coil. A Planar Spiral Inductor Calculator based on "Lumped Elements for RF and Microwave Circuits" by Inder Bahl. Aug 7, 2025 · "Coil64" is a free coil inductor calculator, that allows calculating: single-layer and multilayer air core inductors, toroidal air core coil inductance, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC tank parameters. Inputs such as inductance, inner diameter, wire diameter, number of turns, and distance between windings are usually needed for these computations. Fast, accurate, and mobile-friendly! Calculate inductance for single-layer and multilayer coils using online calculators. Use our free online app Inductor Calculators to determine all important calculations with parameters and constants. Inductor design calculator solving for inductance given wire coil number of turns, core material permeability, coil area and average coil length Jul 29, 2010 · The traditional formula for calculating inductor size is accuratefor single-layer planar spiral inductors, but it does notcalculate the inductance for planar spiral inductors built onmultilayers and connected with via holes (Figure 1 ). The calculator ist the combination of long-term practical experience and scientifically verified fundamentals published in various journals. A typical spiral inductor design problem is o determine the layout parameters that results in the desired inductance value. Moving between the boxes by clicking or using the 'TAB' button on your keyboard, will update the result. A turn in the spiral inductor is the length of a complete 360-degree revolution. If you need to calculate the AL value of a core and you know the number of turns and the inductance across a winding. For circular coils refer to the Solenoid Inductance Calculator Page. Refer to the following diagram for the definition of the input variables. In this tutorial, we will explore the concept of Spiral Coil Inductance and the associated calculations and formulas based Use this online calculator to determine the inductance of single-layer and multilayer air-core coils. By inputting these parameters into Apr 18, 2012 · A flat spiral coil belongs to the category of air core inductors An “air core inductor” is an inductor that does not depend upon a ferromagnetic material to achieve its specified inductance. Diameter and length of inductor are entered in millimetres along with the number of turns. Note: This calculator is also suitable for flat spiral (pancake Calculators Index Passive Component Properties Air Core Inductor Coil Inductance Calculator AWG (American Wire Gauge) Diameter and Resistance Chart Capacitor-Energy-Time-Constant-Calculator Coil Physical Properties Calculator Inductor Stored Energy Calculator Parallel Resistance Calculator Parallel Resistor Combination Calculator Plate Capacitor Capacitance Calculator Reactance Calculator RMS ABSTRACT The technical paper presents a methodological and fundamental approach for design and optimization of a spiral inductor using tools namely Analysis and Simulation of Spiral Inductors and Transformers for ICs (ASITIC) and Integrated Spiral Inductor Calculator (SpiralCalc). The coil, also known as an inductor, stores energy in its magnetic field when electric current passes through it. By entering the required values, you can easily compute the inductance in microhenries (μH). This is an online calculator that calculates quality factor (Q) of an inductor based on frequency, inductance, and internal resistance. Multi-Layer Coil Inductance Calculator Use this calculator to find the inductance of a multi-layer coil. Main purpose of this calculator is to compare Inductance, Q and resonant frequency and how they are scaled with inductor parameters. of turns, Coil Radius and Solenoid Length. This calculator will determine the inductance of a coil with know length, number of turns and diameter. H. This calculator is designed to calculate the inductance of the coil, given the Relative permeability, No. Our web-based proprietary tools help you find the parts to optimize your designs, streamlining your search for the best solution. The double integral of Neumann’s formula is computed numerically to evaluate the Introduction of Coil Physical Properties Calculator This Coil Calculator is a professional and easy-to-use electrical tool for electrical engineers and designers. 📌 Why Use This Calculator? Inductance is a key factor in designing coils for electrical circuits, transformers, and electromagnets. For single layer coils, you may also use the following simpler calculators: Solenoid Inductance Calculator Rectangular Coil Calculator Refer to the bottom of the page for explanation of input variables and other notes. Nov 8, 2024 · The Coil Inductance Calculator is a valuable tool for electronics engineers, hobbyists, and students working with inductors and coils. The length of wire used is also calculated. Consider a solenoid with 100 turns, a length of 10 cm, and a diameter of 2 cm. The calculation formula is applied to spiral inductors for different design needs, especially for scenarios such as wireless charging, RF and high frequency applications. Design optimal coils for your applications. Oct 3, 2024 · The online calculator for air core coil inductance is a tool designed to simplify the calculation of inductance for coils without a magnetic core. Results Calculates Inductance of Square, Hexagonal,Octagonal & Circular Inductors with Stacked Mutual Inductance for up to 4 Layers. Fortunately sseveral authors/web-programmers have taken the underlying formulas for inductor design and created on-line calculators which help determine the physical parameters required for a coil with the desired electrical properties. e. Mohan, M. for impedance matching and are designed Inductance calculator for microstrip conductors. A spiral coil refers to a coil or inductor in the form of a spiral or helix. The formulas used to derive the inductance is simplified and correct to within 1%. With the ability to input parameters such as coil diameter, length, and number of turns, users can quickly determine the inductance of their coil. For rectangular coils, go to the Rectangular Coil Calculator. Jan 9, 2015 · Single layer flat spiral coil inductor calculator. Jan 9, 2015 · This calculator uses J. The program has additional plugins to calculate another manner of coils. Jan 29, 2023 · Rectangular Coil Inductance Calculator Use this calculator to find the inductance of a single layer rectangular coil. Oct 31, 2023 · The Coil Inductance Calculator is a tool designed to make inductance calculations a breeze. everything RF has the largest selection of online calculators for the RF and Microwave Industry. Calculation of a multilayer inductance coil wound with thin metal foil Calculator of the ferrite core inductor at radio frequency Conical Tesla Coil Ferrite E-core online calculator Ferrite Rod Coil Calculator Ferrite toroid calculator Find magnetic permeability and inductance factor of an unknown ferrite toroid core Helical resonator bandpass Mar 8, 2015 · Summary of Single layer Planar spiral coil inductor calculator The article discusses three accurate and simple approximations for calculating the inductance of planar spiral air core inductors, with typical errors of 2-3%. There are versions for 32-bit Windows, Linux & Android platforms. Coil64 has a module to calculate such inductor. Definition: This calculator estimates the inductance of a planar spiral inductor based on the number of turns, average diameter, and fill factor. Boyd and T. Integrated Spiral Inductor Calculator Input Geometric Parameters Results Reference: S. Inductance Coils have a property called inductance. This calculator help for you to estimate the number of turns of your home-brew one-layer R. Inductance is the property of a component (in our case coil) that opposes the change of current flow through it. It helps you quickly determine the inductance of a coil based on its physical parameters such as the number of turns, coil diameter, and length. Model Spiral Inductor The passive spiral inductor can be realized in different structure like square, circular, hexagonal, and octagonal with multiturns. The spiral Inductor is a two port multiturn planar inductor with multiple dielectric layers. The Coil Inductor Calculator is a valuable tool for engineers and electronics enthusiasts, enabling them to calculate the inductance of a coil based on its physical properties. The coil is the most recognizable form of an inductor. Calculate inductance, wire length, number of turns, and coil dimensions for air core and ferrite core inductors. THE high-speed Litz Wire Calculator for power losses LiWiCalc® is the fastest and most accurate software calculating all dominant power losses on realistic litz wire geometries: Highly accurate resolution of internal and external proximity as well as skin losses based on the latest scientific method SEEC (Strand-Element-Equivalent-Circuit). The result is based on Wheeler's formula, which provides a good approximation for coils whose length is more than 0. Spiral coil calculator calculates the inductance of a flat spiral coil Spiral inductor calculator etched PCB coil calculator Tesla coil calculator page Educypedia, The educational encyclopedia Tesla coil designer Tesla Coils Tesla coil design calculations Toroidal inductor design Toroid Calculator Toroidal transformer calculator and simulator Multi layer air core inductor calculator Formula used in this calculation is from Wheelers approximations which is accurate to <1% if the cross section is near square shaped. The air core flat spiral inductor is a specific type of inductor with unique characteristics. Want a little more hands-on description of how to model spiral inductors? Check out this video on EXACTLY THAT. Both tools are available for research and non-commercial purposes. you know the inductance you want and now you have to design a coil that will have that inductance. C. Simply input the number of turns, spacing, inner diameter, and outer diameter. P. Some others are wound on a bobbin made of bakelite, platsic, ceramic etc. This is an example of the flat (spiral) coil inductance calculation, performed with QuickField simulation software. Inductors, also know as choke, coil, or reactor is a passive electrical component that stores energy in its magnetic field. This online Coil inductance calculator can help you to calculate physical properties, including turns/winding, number of windings, coil diameter, resistance and voltage & power at rated current through entering the values of wire . This tutorial aims to provide an understanding of inductance for spiral flat coils and the associated calculations. S. inductor or choke on the design stage. Apogeeweb provides an extensive range of electronic components, including ICs, memory, and other essential components, to cater to the requirements of advanced technology manufacturers. Inductors are key components esp. Perfect for engineers, hobbyists, and electronics enthusiasts. It explores the formulas used, real-life applications, key individuals in the discipline, and interesting facts about this important aspect of More about air core inductors What is an air core inductor? An "air core inductor" is an inductor that does not depend upon a ferromagnetic material to achieve its specified inductance. It is a fundamental concept in electromagnetism and plays a significant role in various electrical and electronic devices. An inductor is typically made of a wire or other conductor wound into a coil, to increase the magnetic field. Use our free online app Spiral Coil Inductance Calculator to determine all important calculations with parameters and constants. Use the spiralInductor object to create a spiral inductor in one of four different shapes: square, circle, hexagon, or octagon. Inductance does not oppose the current but it opposes the change in current flow through the circuit. Solenoid Inductance Calculator Use the calculator below to calculate the inductance of a single layer round solenoid coil (also known as a helical coil). The former method limits he design space and the latter is computationally expensive and time consuming. Calculators: Use the online calculator below to assist in designing your next pancake-shaped flat spiral air core coil inductor. Planar spiral air coil, planar inductor, design and calculations based on the Harold A. F. At low frequencies, provided the coil is operating in weak fields, the initial permeability μi value can be used. Coil Inductance Calculator - calculate the inductance of a coil based on the number of turns, radius, length, and relative permeability. Enter the number of turns, spacing, width and outer diameter of the coil. See bottom of this page for detailed information and instructions. The calculator utilizes key equations, including the Wheeler formula and Feb 11, 2025 · Designing inductors or solenoid coils? Our Coil Inductance Calculator helps you quickly determine the inductance value based on parameters like permeability, number of turns, coil length, and cross-sectional area. Wheeler approximations. 5 days ago · Coil Inductor Calculator and Equations This calculator will determine the inductance of a coil with know length, number of turns and diameter. Calculates the inductance of microstrip conductors embedded in a homogeneous dielectric medium. Some inductors are wound without a bobbin and just air as the core. An inductor is typically made of a wire or other conductor wound into a coil, to increase the Feb 25, 2025 · This calculator calculates the inductance and height of a helical coil based on the coil’s inner diameter, wire diameter, spacing and number of turns. Oct 3, 2024 · Circular Spiral Inductor Calculator Author: Neo Huang Review By: Nancy Deng LAST UPDATED: 2024-10-03 13:40:30 Calculate the self-inductance of air-cored coils with the Coil Inductance Calculator and learn on the go with the integrated live example. 6*N^2* r1^2 / 6*r1+ 9*L + 10* (r2-r1) where. Lee, " Simple Accurate Expressions for Planar Spiral Inductances, " IEEE Journal of Solid-State Circuits, Oct. All conductors have inductance. More about air core inductors What is an air core inductor? An "air core inductor" is an inductor that does not depend upon a ferromagnetic material to achieve its specified inductance. Advantages of an air core coil: Its inductance is unaffected by the Sep 17, 2015 · Multilayer PCB inductor calculation Multi-layer coil on a PCB is needed for those designers who want to create a miniature device with the use of inductance sufficiently high value. Both metric and English units of measurement are supported. The multi-turn inductors are used for higher inductance value design. Single-layer coil on a PCB with inductance more that 10 µh usually has a relatively large size. Jan 21, 2015 · In addition to coils on PCB in the form of a square or circular spirals also there is in the form of a meander. By inputting values for the coil's outer diameter, inner diameter, and number of turns, users can quickly determine the inductance of their coil. Purpose: It helps electronics engineers and hobbyists design flat spiral inductors for circuits, RF applications, and wireless power systems. The inductance of the inductor is calculated by the following empirical formula: where: L – inductance of meander (µH) N – number of turns a – length Air Core Inductor Coil Inductance Calculator The following is a design tool which calculates the inductance of an air core inductor. Planar Spiral Inductor Calculator A Planar Spiral Inductor Calculator based on "Lumped Elements for RF and Microwave Circuits" by Inder Bahl. Enter the coil's Litz Wire Tool Our Litz wire calculator provides Litz wire characteristics for sizes 18 to 43 AWG. You can download the cross-platform app Coil64 to calculate Tesla flat spiral coil offline. For a desire Mar 8, 2024 · A free application to calculate the inductance L and quality factor Q of a single-layer helical round wire coil inductor at RF frequencies. This tutorial explores coil inductance, including the associated calculations and formulas, real-life applications, key individuals in An inductance calculator is a tool used to determine the inductance of a coil or inductor based on parameters such as coil dimensions, number of turns, core material, and frequency. You can use either inches or millimeters and you can mix and match. Meander line inductors have lower inductance per unit area than coil inductors. This calculator helps you compute the inductance of a rectangle loop. Use this easy to use coil inductance calculator specially designed to determine the inductance of a coil based on its physical characteristics using L = (d^2 * N^2) / (18d + 40l) formula. Flat Spiral CoilOur Network EverythingRF GoPhotonics BuildBot PCB Directory EMC Directory 3D Directory The calculator ist the combination of long-term practical experience and scientifically verified fundamentals published in various journals. This tool is designed to calculate the inductance of a coil of wire given the length of the coil, the number of turns, the loop radius, and the permeability of the core material. 1419-24. Mar 8, 2024 · A free application to calculate the inductance L and quality factor Q of a single-layer helical round wire coil inductor at RF frequencies. 1999, pp. The inner and outer radius of the planar spiral coil is determined from the general equation of the filament of the wire. Find Spiral Coil Inductance Calculator at CalcTown. The calculator uses Bob Weaver's equation with round wire corrections. Lee, " Simple Accurate Expressions for Planar Spiral Mar 30, 2015 · The Coil32 program is coil inductance calculator, that computes inductors and chokes on different cores and also calculate LC circuit parameters. For coils of other types, see the Downloads Page for calculators in spreadsheet form. For other types of coils, see the Downloads Page for calculators in spreadsheet form. Some others are wound on a bobbin made of bakelite, plastic, ceramic etc. Inductance plays a crucial role in the design and analysis of spiral flat coils used in various electrical and electronic devices. Click to use. The inductance of a flat spiral coil can be determined by entering its dimensions in the boxes above. Using the Neumann integral formula, the expression of inductance is obtained. Enter the actual number of turns of wire and the measured inductance value (making sure to enter the units correctly as nH,uH or mH) Click on the ‘Calculate’ button and the calculator will give you the derived AL value of the core. In the same category as the flat spiral coils we have planar spiral coils, planar square spiral coils, planar rectangular spiral coils, planar hexagonal spiral coils and octagonal spiral coil. Purpose: It helps electrical engineers and circuit designers determine the inductance of spiral coils used in integrated circuits and RF applications. Flat spiral air core coil inductor design calculator solving for inductance given wire coil number of turns, core material permeability, coil area and average coil length Find Inductor Calculators at CalcTown. Please note that the options that will be displayed are eviously avail-able fabricated inductors or using an electromagnetic simulator. Inductors are essential components in electrical circuits, used for various applications such as energy storage, filtering, and impedance matching. 4 times their diameter. We evaluate the accuracy of our expressions, as well as several previously published inductance expressions, in two ways: by comparison with three-dimensional field solver predictions and by comparison with our own measure- ments, and also In the field of Physics, coil inductance refers to the property of a coil or an inductor to oppose changes in current flowing through it. For planar and spiderweb winding inductors. It's not very accurate in absolute sense. Electric inductance is usually represented by the letter L, and is expressed in Henrys (H). Calculate the inductance of a circular spiral inductor using our online calculator. What is a Flat Spiral Coil Inductor Calculator? Definition: This calculator estimates the inductance of a flat spiral coil based on its physical dimensions and number of turns. The program uses formula published in the ARRL Handbook For Radio Amateurs and other radio publications. 2. Apr 17, 2012 · Design square, hexagon, octagon and circular shape planar spiral coil, PCB inductor and use it in your next great projec. 1. Note: This formula is suitable for both long and Inductance is often what you are trying to achieve when designing a coil i. Inductance is the property of an electrical circuit or component that resists changes in current flow. Feb 28, 2022 · In this paper, an analytical calculation of the inductance of an air-core planar spiral coil is presented. How Does the Calculator Work? The calculator uses the formula: Oct 3, 2024 · Circular Spiral Inductor Calculator Author: Neo Huang Review By: Nancy Deng LAST UPDATED: 2024-10-03 13:40:30 Calculate the self-inductance of air-cored coils with the Coil Inductance Calculator and learn on the go with the integrated live example. Coil Inductance Calculator This single-layer coil inductance calculator is an interactive online tool specifically designed to calculate the inductance value of a single coil of thin round-wire based on the coils loop inductance value. L (uH)= Inductance in microHenries N = Total Number of turns r1 = Radius of the inside of the coil in meters r2 = Radius of the outside of the coil in meters L A flat spiral coil is a type of an air core inductor usually incorporated in the primary of a tesla generator, RFID tag, and proximity detectors. What is inductance? When electrical current changes as it flows through the wire of a coil, it produces a changing magnetic field that induces (produces) a voltage, or Aug 21, 2023 · Use our air core inductance calculator to calculate inductance for flat spiral coils. Modeling parameters (Cin, Cout, Rs & Q) coming soon! Jan 7, 2015 · Most of online calculators enable to find inductance of the coil knowing its winding dimensions and number of turns. Advantages of an air core coil: Its inductance is unaffected by the May 21, 2025 · Coil32 is a free coil inductor calculator, that allows calculating: single-layer and multilayer air core inductors, toroidal air core coil inductance, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC tank parameters. The concept of Spiral Coil Inductance is an important aspect of electromagnetism in physics. LiWiCalc® is a decisive element for the design of chokes, coils, and transformers for the realization of systems with low costs, highest power density and highest individuality. Explore the formulas and equations behind inductance calculations for different coil types. Jul 10, 2014 · If you want to calculate the inductance of a helical air core coil, like a Tesla Coil secondary, use the Helical Coil Calculator. Maxwell's coaxial circular filaments approximation, as well as multilayer inductor calculator. : L (uH) =31. Use wire gauge chart to determine wire diameter. This tutorial will guide you through the concept of air core flat spiral inductors, explain the formula to calculate their inductance, and provide real Abstract— We present several new simple and accurate expres- sions for the DC inductance of square, hexagonal, octagonal, and circular spiral inductors. Learn the air core inductance formula and compute air core flat spiral inductance with ease. The estimated Inductance, in uh, and Stanford Microwave Integrated Circuits Laboratory WebsiteReference: S. When electrical current changes This inductance calculator allows you to calculate the coil inductance in Henrys and any of the five components of the equation like turns or permeability. Air Cored Inductor Calculator This calculator is useful when making antenna matching units, low pass filters, crystal sets, antenna traps, resonant circuits or anywhere where an air cored single layer inductor is required. for This is a very simple calculator for estimating the inductance of a Single-Layer Air-Core inductor. Flat Spiral CoilOur Network EverythingRF GoPhotonics BuildBot PCB Directory EMC Directory 3D Directory Jan 8, 2015 · You can use Ferrite toroin inductor at radio frequency online calculator. Modeling an inductor requires good de-embedded data on one or more inductor values, which result in a scalable model that allows you to predict the characteristics of arbitrary inductor values required by your design. Both software tools are available for research and academic purposes. qkf8j w59oic j9kv sbi2gy nnphrf rxh3jdvs vy hxytq ovtp uzjgn9