Electric shower energy and water cost calculator UK
Estimate both electricity and metered water used by a daily shower pattern. Check the formula, worked example and limits before using your own figures.
Enter your figures
Daily shower energy and water cost
Inputs changed. Select Calculate result to update your estimate.
Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. For an electric shower drawing the stated power. Not a gas-heated or stored-hot-water model. Water cost applies only where the entered volume-based charge applies.
How the electric shower energy and water cost calculator uk works
Daily electricity = kW × minutes/60 × showers; daily water = litres/min × minutes × showers ÷ 1,000.
Data basis: mathematical formula using your inputs. Example prices and rates are illustrative, not current market quotes.
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Worked example: electric shower energy and water cost
This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.
- Electric shower input power (kW)
- 8.5
- Minutes per shower
- 8
- Showers per day
- 2
- Flow rate (litres per minute)
- 6
- Electricity pence per kWh
- 26.32
- Combined effective water/sewerage per m³ (£)
- 4.5
Daily shower energy and water cost: £1.03
Daily electricity = kW × minutes/60 × showers; daily water = litres/min × minutes × showers ÷ 1,000.
Electric shower energy and water cost: questions answered
What does the electric shower energy and water cost calculation include?
Daily electricity = kW × minutes/60 × showers; daily water = litres/min × minutes × showers ÷ 1,000. Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. For an electric shower drawing the stated power. Not a gas-heated or stored-hot-water model. Water cost applies only where the entered volume-based charge applies.
Using your result
Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.
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