ONE FORMULA, ONE ANSWER
Inductive Reactance Calculator
Check ideal inductive reactance at a chosen sinusoidal frequency. Choose input units and calculate one value within the stated conditions.
Inputs
Calculations run in this browser. Scientific notation such as 1.2e-3 is supported. Do not group thousands.
Result
Inductive reactance X_L
Enter values and select Calculate.
X_L = 2π f L
Assumptions
Use f,L>0. Assume an ideal inductor in sinusoidal steady state. Winding resistance, parasitic capacitance, self-resonance and saturation are excluded.
Displayed values are floating-point approximations. Measurement uncertainty and design safety factors are not calculated.
Formula references and credits
NaNa Lab created the code, descriptions, icons and preview images. Text, figures and code from the linked references have not been reproduced.
Physical constants: NIST / CODATA 2022. The values of μ₀ and ε₀ are measured recommendations, not exact defining constants. Values and precision notes are in the source record.
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