# Magnetic field at the centre of a current-carrying coil Calculator

The Magnetic field at the centre of a current-carrying coil Calculator will calculate the:

1. Magnetic field at the centre of a current-carrying coil if the magnitude of current and radius of loop are given

Calculator Parameters: Magnetic field and medium are considered as uniform; the conducting wire used for the circuit is uniform and it has the same thickness everywhere.

 🖹 Normal View🗖 Full Page View Calculator Precision (Decimal Places)012345678910152025 Amount of current flowing through the coil (I) A Radius of coil (r) m Magnetic permeability of free space (vacuum), (μ0) N/A2 (4π) × 10 power of Number of turns in the coil (N)
Magnetic field calculation The magnetic field is T [Tesla] B = N × μ0 × I/2rB = × × /2 × B = × /B = × B = Amount of current flowing through the coil (I) A [Ampere] Radius of coil (r) m [metre] Magnetic permeability of free space (vacuum), (μ0) N/A2 [Newton per square amp] Number of turns in the coil (N)

Please note that the formula for each calculation along with detailed calculations are available below. As you enter the specific factors of each magnetic field at centre of a current carrying loop calculation, the Magnetic Field At Centre Of A Current Carrying Loop Calculator will automatically calculate the results and update the Physics formula elements with each element of the magnetic field at centre of a current carrying loop calculation. You can then email or print this magnetic field at centre of a current carrying loop calculation as required for later use.

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## Related Physics Sections with Tutorials

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## Magnetic field Formula and Calculation

B = N × μ0 × I/2r

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