WattPayback
Calculator

Appliance running cost calculator

Add appliances (or pick presets) and see annual electricity cost, sorted from most to least expensive.

Your situation

€/kWh
W
h
d

Annual

€245

W
h
d

Annual

€61.32

Estimate only. Based on the assumptions you entered. Get a site-specific survey before spending money.

Total annual cost

€307

Appliances

2

Sorted breakdown

  • Fridge-freezer€245 · 876.0 kWh
  • Kettle€61.32 · 219.0 kWh

Formula with your numbers

Fridge-freezer: (100/1000) × 24 × 365 × 0.28 = €245

Kettle: (3000/1000) × 0.2 × 365 × 0.28 = €61.32

Frequently asked questions

Are nameplate watts the same as average draw?+

Not always. Fridges cycle, washers heat intermittently, and PCs vary with load. For cycling appliances, an average wattage or measured kWh from a plug meter is better than the sticker maximum.

Related tools