Electrical

Calculate current (A) using power (W) and voltage (V)

Calculate power (W) using current (A) and voltage (V)

Calculate apparent power (VA) using current (A) and voltage (V)

Calculate current (A) using power (kW), voltage (V), and power factor

Calculate current (A) using apparent power (VA) and voltage (V)

Calculate voltage (V) using power (W) and current (A)

Calculate watts, volts, amps, and ohms using Ohm's Law. Enter any 2 values

Calculate power (kW) using current (A), voltage (V), and power factor

Calculate active power (kW) using apparent power (kVA) and power factor

Convert kilowatt-hours (kWh) energy consumption to watts (W) power

Calculate voltage divider circuit parameters using Ohm's Law

Calculate voltage, current, resistance, and power using Ohm's Law

Calculate short circuit currents for electrical systems

Select appropriate cable size based on current rating and installation conditions

Calculate voltage drop in electrical cables based on current, length, and cable properties

Calculate power factor, apparent power, and capacitor correction recommendations

Convert voltage (V) to power (W). Supports DC, AC single-phase, and AC three-phase systems

Convert power in watts (W) to energy in kilowatt-hours (kWh). Calculate total energy consumption

Convert energy (kilowatt-hours) to power (kilowatts) over time

Convert voltage to power (kW) for DC and AC systems. Supports single-phase and three-phase with power factor

Convert real power (W) to apparent power (VA). Calculate reactive power, phase angle, and power factor

Convert real power (watts) to apparent power (kVA) using power factor

Convert apparent power (VA) to real power (kW) using power factor

Convert real power (kW) to apparent power (VA) using power factor

Convert apparent power (kVA) to real power (watts) using power factor for electrical system calculations

Convert voltage to current (amperes) using power and resistance for DC and AC circuits

Convert voltage to electrical energy (joules). Calculate energy stored in capacitors and batteries

Convert energy (joules) to voltage using electric charge for capacitor and battery calculations

Convert power (watts) to energy (joules) over time. Calculate energy consumption for electrical devices

Convert voltage to electron-volts. Essential for quantum physics, particle energy, and photon calculations

Calculate required transformer capacity based on load power and expansion needs

Calculate electrical power for DC circuits and AC systems using voltage, current, resistance, or power factor

Convert active power (kW) to apparent power (kVA)

Convert battery capacity (mAh) to energy (Wh) using voltage

Convert battery energy (Wh) to capacity (mAh) using voltage

Convert energy (Joules) to power (Watts) over time

Decode resistor color bands and calculate resistance values

Calculate the appropriate resistor value for LED circuits

Calculate energy stored in capacitors, charge, and discharge characteristics

Calculate energy stored in inductors, magnetic flux, and voltage spikes during discharge

Calculate battery runtime and capacity requirements

Convert current (amps) to voltage using power or resistance with Ohm's Law formulas

Convert apparent power (VA) to real power (watts) using power factor

Convert power (kW) to energy (kWh) over time with daily, monthly, and yearly consumption

Calculate apparent power (kVA) from current (amps) and voltage for single and three-phase systems

Calculate daily, monthly, and yearly energy consumption from power and usage time

Convert apparent power (kVA) to current (Amps)

Create NEC 2023 compliant electrical panel schedules with automatic load calculations, breaker sizing, and wire selection. Professional PDF export included.

Convert American Wire Gauge (AWG) to metric measurements including diameter, area, resistance, and ampacity based on ASTM B258 and NEC 2023

Convert between lumens and watts for different light source types (LED, CFL, incandescent, halogen). Calculate energy savings and cost comparisons with efficacy ratings.

Convert between lux (illuminance) and lumens (luminous flux) using surface area. Calculate lighting requirements based on EN 12464-1 and IES standards.

Convert between candela (luminous intensity) and lumens (luminous flux) using solid angles. Supports isotropic, hemisphere, and custom beam angle patterns.