Electricity Cost per kWh Calculator

Free electricity cost calculator for estimating daily, monthly, and annual energy charges from kWh usage and your tariff.

Enter energy used and your electricity rate to estimate the cost of that usage.

Energy used

kWh

Kilowatt-hours (kWh) measure energy consumed; higher usage increases the estimate.

Electricity rate

$/kWh

Use your bill's price per kWh; taxes and fees may be separate.

Example

Example: 30 kWh at $0.18/kWh costs $5.40.

Frequently Asked Questions

What is a kWh?

A kilowatt-hour is a unit of energy equal to using 1,000 watts for one hour.

How do I find my rate?

Check your utility bill for the energy charge, usually shown in currency per kWh.

Does this include my full bill?

No. It estimates the usage charge and excludes fixed fees, taxes, and other adjustments.

This is an estimate. Fixed charges, taxes, tiered rates, and time-of-use pricing can change an actual bill.

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