capacitive current calculator

Compute capacitor current using 𝐼=2𝜋𝑓𝐶𝑉 or I= v/𝑋C where Xc=1/2rfc.Supports RMS/peak, 50/60 Hz, and any capacitance.

Inductor current calculator

Calculate inductor current for AC, DC, or transients using i(t)= 1/L ∫ 𝑣 (t)dt or I=V/XL Where XL=2rfL.

average current calculator

Calculate average current for DC, sine, rectified, and PWM waveforms using the integral over one period or quick closed-form formulas for common cases.

neutral current calculator

Compute neutral current from unbalanced 3-phase line-to-neutral loads. Enter Ia, Ib, Ic (A) to get In (A) instantly—plus formula, sample table, and FAQs.

power to current calculator

Convert electrical power (W) to current (A) for DC, single-phase AC, and three-phase AC. Enter power, voltage, and power factor to get accurate RMS or DC current.

diode current calculator

Calculate diode current from voltage using the Shockley equation or piecewise practical model. Enter Vd, Is, n, and T to get forward or reverse current (A).

line current calculator

Convert power, phase current or voltage into line current for DC, single-phase and three-phase (wye/delta) systems. Includes formulas, examples, and FAQs.

Ripple current calculator

Estimate capacitor ripple voltage and ripple (AC) current for rectifiers and switching converters. Enter load, frequency, C, and topology to get ΔVₚₚ and Iᵣ(rms).

No load current calculator

Calculate no-load current for motors and transformers from rated power, voltage, power factor, and efficiency, or estimate from measured input at no load.

Norton current calculator

Calculate Norton equivalent current from short-circuit analysis, load removal tests, or Thevenin parameters for DC and AC circuits.

Branch current calculator

Easily calculate the current in each branch of a circuit using voltage, resistance, or impedance. Works for DC and AC with accurate results.

line to phase current calculator

Convert three-phase line current to phase current and vice versa in star (Y) and delta (Δ) systems for accurate AC circuit analysis.

capacitor charge current calculator

Calculate the charging current of a capacitor in RC circuits using voltage, resistance, and capacitance for accurate transient analysis.

kw to current calculator

Calculate current from kilowatts (KW), voltage, and power factor for AC or DC systems accurately.

instantaneous current calculator

Calculate instantaneous current in AC or DC circuits using voltage, resistance, and time-dependent waveforms with accuracy.

Transistor base current calculator

Easily calculate the base current of a transistor using collector current and current gain for accurate BJT circuit design.

Horsepower to kw calculator

Convert horsepower (HP, PS/bhp) to kilowatts (kW) and back. Supports mechanical HP, metric horsepower, and electrical HP with precise, engineering-grade formulas.

Refrigeration tons to kilowatts conversion

Convert refrigeration tons (TR) to kilowatts (kW) instantly. Uses 1 TR = 3.517 kW formula. Includes reverse conversion from kW to TR for HVAC and cooling systems.

kw to refrigeration tons conversion

Convert kilowatts (kW) to refrigeration tons (TR) using TR = kW ÷ 3.517. Includes reverse TR to kW formula, tables, and HVAC cooling capacity guide.

coulombs to ampere hours calculator

Convert electric charge from coulombs (C) to ampere-hours (Ah) or mAh instantly using Ah = C ÷ 3600. Includes reverse conversion and battery capacity examples.

Ampere hours to coulombs calculator

Convert ampere-hours (Ah) to coulombs (C) instantly with C = Ah × 3600. Includes mAh conversion, formulas, and battery capacity examples.

BHP to kilowatts calculator

Convert brake horsepower (bhp) to kilowatts (kW) and back. Uses 1 bhp = 0.7457 kW for precise motor and engine power conversions.

Btu per hour to watts calculator

Convert BTU per hour (Btu/h) to watts (W) and vice versa. 1 Btu/h = 0.29307107 W for heating, cooling, and HVAC power ratings.

Watts to btu per hours calculator

Convert watts (W) to BTU per hour (BTU/h) easily. 1 W = 3.412141633 BTU/h. Perfect for HVAC, heating, and cooling capacity conversions.

earth conductor size calculator

Size earth (ground) conductors from fault current and trip time using S = (I·√t)/k. Includes IEC/NEC references, copper/aluminum tables, and examples

3 phase power calculator

Compute 3-phase real power (kW), apparent (kVA), and reactive (kVAr) using √3·V·I and power factor. Supports line voltage/current and balanced loads.