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.

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.