Motor HP to kW & Electricity Cost Calculator

Convert motor HP to kW and find electricity units and bill for running a motor, based on efficiency and load.

How to Calculate Motor Power Cost

Enter motor HP, efficiency, electricity rate, hours per day and days per month. Click Calculate.

How many kW is 1 HP?

1 HP equals 0.7457 kW.

Why does the motor draw more than its rating?

Because of efficiency losses; input power = output power ÷ efficiency.

What load should I use?

100% for full load; use lower if the motor runs partly loaded.

Is the bill exact?

No, power factor, tariff slabs and fixed charges change the real bill.

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Last updated: 06 Nov 2026 • 100% free • Mobile friendly

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