When to use it
Use it when there is no past electricity or gas usage but a first annual estimate is needed.
Shared flat and fixed costs
Estimate electricity and gas use
Translate household size, area, hot water and gas heating into rough yearly kWh values for move-in planning.
Your kWh orientation
Result logic
- Monthly loadread recurring cost or ratio first
- Reservekeep buffer and follow-up cost visible
- Assumptionsmark estimates before committing
More context
When you want to check deeper.
Read the inputs correctly
Household size, area, hot water, appliance level and heating type translate usage into rough kWh.
Avoid this mistake
Estimates do not replace the first yearly bill. After twelve months, real usage should take over.
Next action
Use the kWh value next in electricity cost and warm rent.
Electricity cost calculatorData and documents
- household size
- hot-water type
- appliance list
- heating type
Directly useful templates
Common questions
Why by household size?
Electricity usage often depends more on people, hot water and devices than square metres.
Which assumption should stay visible?
Rough usage orientation. Tariff, building condition, heating, remote work and devices can differ significantly.
What is the next useful step?
Use the kWh value next in electricity cost and warm rent.
Decision help
What Estimate electricity and gas use really clarifies.
Use it when there is no past electricity or gas usage but a first annual estimate is needed. The important part is not to treat the output as one winning number. It is a plausibility value for viewing, acceptance, moving or household planning.
Household size, area, hot water, appliance level and heating type translate usage into rough kWh. If an input is estimated, keep it visible. That way you later know which figure came from a contract, offer, measuring tape or bill and which was only a provisional assumption.
Check before deciding
- People in household
- Area m²
- Hot water
- Gas heating
- Heating factor kWh/m²
Keep these documents ready
- household size
- hot-water type
- appliance list
- heating type
Do not misread it
Estimates do not replace the first yearly bill. After twelve months, real usage should take over.
Use the kWh value next in electricity cost and warm rent. The next useful cross-check is Electricity cost calculator, because it tests the same housing decision from a second angle.
Calculation path
Do not read the output in isolation.
Calculation path
Rough electricity = 900 + people × 650 + hot-water add-on; rough gas = area × heating factor + hot water
Assumptions
Rough usage orientation. Tariff, building condition, heating, remote work and devices can differ significantly.
Common misreadings
Comparing instalments only hides whether usage or price is the real risk.