Magnetic Field of a Wire

Calculate Magnetic Field of a Wire instantly with the exact formula and a worked example.

Magnetic Field of a Wire

I, A
r, m
B
0.00004T
Calculate Magnetic Field of a Wire instantly with the exact formula and a worked example.

More about: Magnetic Field of a Wire

What it calculates

The “Magnetic Field of a Wire” calculator computes B in T from 2 parameters: i, a, r, m.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters I, A = 10, r, m = 0.05 the result is 0 T.

How to use

  1. Enter i, a and r, m — each field above is adjustable with a slider.
  2. B (T) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Magnetic Field of a Wire calculated?
The Magnetic Field of a Wire calculator computes B (in T) from i, a, r, m. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Magnetic Field of a Wire calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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