Car & Household

kWh cost calculator

Electricity costs for consumption at your work rate.

Updated on Apr 21, 2026 Calculator, calculation path and examples on one page

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Calculator

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Calculation path

Step by step

  1. Calculate costs

    Formula: Cost = kWh × price per kWh

    Values inserted: 320.00 × €0.3400

    Result: €108.80

Instructions

How to use this calculator correctly

How to use the calculator

  • Enter consumption in kWh.
  • Enter the work price per kWh.

Limits of the calculation

  • Basic prices and bonuses are not included.

Common mistakes

  • Do not enter cents as a euro amount. 34 cents equal 0.34 euros.

Related guide: Classify car costs with fuel, electricity, credit and taxes

Examples

Typical calculations

FAQ

Frequently asked questions

What is a kWh?

A kilowatt hour is a unit of energy for electricity consumption.

Can I also use the calculator for household appliances?

Yes, as long as you know the consumption in kWh or convert it beforehand.

Are basic prices included?

No, the calculator only takes into account the work price per kWh.

Can I also save electricity for electric cars?

Yes, the calculator is also suitable for charging processes.

Why do costs fluctuate so much?

Depending on the tariff, consumption time and contract, the prices differ significantly.

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Sources and notes

Rule status and context

Formula
Cost = kWh × price per kWh