toolsPulse tools
Electricity / kWh cost
Watts × hours × price per kWh. What that heater or PC costs to run.
Result
55
How to use
- 1Enter device watts (label or a meter).
- 2Enter hours and your kWh rate.
- 3Read the cost for that period.
FAQ
- Standby power?
- Use the real watts from a plug meter if you care. Nameplate is often peak.
- Where is my rate?
- On the utility bill, per kWh.
- Do you keep my numbers?
- No. They stay in this tab until you refresh.
- Is this free?
- Yes. Ads may appear when you copy or run the main action.