inductance

Number of Turns in a Transformer Coil

Computes the number of winding turns required for a transformer coil using the EMF equation: N = V / (4.44 × 10⁻⁴ × f × Φ × A), where f is frequency, Φ is magnetic flux density, and A is the core cross-sectional area.

Inputs

Operating Frequency(Hz)

Operating frequency in hertz

Magnetic Flux(Wb/cm²)

Magnetic flux density in webers per square centimetre

Voltage(V)

Winding voltage in volts

Area of Core

Cross-sectional area of the transformer core

Core Area Unit Multiplier

Unit multiplier for core area — mm²: 1000000, cm²: 10000, m²: 1, km²: 0.000001, ft²: 10.764, in²: 1550.003, yd²: 1.196

Results

⚠Frequency must be greater than zero

Total Number of Turns—Total number of winding turns required