What you provide
What you provide
- Coil turns, using the same scenario as the other inputs
- Current expressed in A, using the same scenario as the other inputs
- Solenoid length expressed in m, using the same scenario as the other inputs
PHYSICS / MAGNETISM
Solenoid Magnetic Field Calculator
Calculate the ideal interior magnetic field of a long air-core solenoid. See the governing equation, substituted values, result, assumptions, and interpretation in one guided workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calculate the ideal interior magnetic field of a long air-core solenoid. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
B=mu0(N/L)I
What you receive
What you receive
- Magnetic field in T from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
The solenoid is long, tightly wound, air-cored, and evaluated away from its ends.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors