Inductor Calculator: Single and Multi-Layer Coil Inductance

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This page provides information about inductor calculators, specifically focusing on inductance calculations. We’ll cover calculators for single-layer coils and multilayer, multi-row coil types. The equations and formulas used by these calculators are also explained below.

Inductor Calculator - Single Layer Coil

Inputs

Outputs

Here’s an example using the single layer coil inductor calculator:

EXAMPLE #1

  • INPUTS:

    • LOOP DIAMETER = 10 inches
    • COIL LENGTH = 20 inches
    • NO. OF TURNS = 10
  • OUTPUTS:

    • INDUCTANCE = 10.20408 µH

Inductor Calculator Equation and Structure for Single-Layer Coil Type

The following equation or formula is used to calculate inductance for a single-layer coil:

Inductor calculator for single layer coil

Inductor Calculator - Multilayer Multirow Coil

Inputs

Outputs

Let’s look at an example using the multilayer, multi-row coil inductor calculator:

EXAMPLE #2

  • INPUTS:

    • Loop Diameter = 10
    • Length = 20
    • Depth = 2
    • Turns = 10
  • OUTPUT:

    • Inductance = 8.7 µH

Inductor Calculator Equation and Structure for Multilayer Multirow Coil Type

The following equation or formula is used for inductor calculator for multilayer multirow coil type.

Inductor calculator for multilayer multirow coil

Circular Spiral Inductor Calculator

Circular Spiral Inductor Calculator

Calculate the inductance of a circular spiral inductor using our online calculator. Simply input the number of turns, spacing, inner diameter, and outer diameter.

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NFC Rectangular Antenna Calculator

NFC Rectangular Antenna Calculator

Calculate the inductance of NFC rectangular antennas using this handy calculator. Includes formulas and examples for antenna design.

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Resistor Calculator: Calculate Resistance Easily

Resistor Calculator: Calculate Resistance Easily

Calculate resistance using our resistor calculator. Input the band values and get the resistance and tolerance. Learn the resistor color code and formula.

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