Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Ohm's Law & Power Calculator

Solve for voltage, current, resistance, or power in any DC circuit by entering just two known electrical values. Ideal for electronics hobbyists, electricians, and students checking circuit designs.

First Known Value

First Value Type

Second Known Value

Second Value Type

Fill in the required fields to see your result.

Electrical

Three Phase Power Calculator

Calculate the real output power (kW) of a three-phase electrical system from line voltage, line current, power factor, and efficiency. Use it for motor sizing, generator selection, and load analysis.

Line Voltage (V)

Line Current (A)

Power Factor

System Efficiency (%)

Connection Type

Fill in the required fields to see your result.

Key differences

	Ohm's Law & Power Calculator	Three Phase Power Calculator
Category	Electrical	Electrical
Inputs required	4	5
Result	Power (W)	Real Power Output (kW)
What it does	Solve for voltage, current, resistance, or power in any DC circuit by entering just two known electrical values. Ideal for electronics hobbyists, electricians, and students checking circuit designs.	Calculate the real output power (kW) of a three-phase electrical system from line voltage, line current, power factor, and efficiency. Use it for motor sizing, generator selection, and load analysis.