Water Usage Per Day Calculator
Estimate daily water use in litres for a person or household and the monthly cost.
Compare Your Options And Get Clear Answers
Estimate daily water use in litres for a person or household and the monthly cost.
Water Usage Per Day Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Water Quick Guide
Typical values for reference.
| People | L/person | Price £ | Litres/day |
|---|---|---|---|
| 1 | 140 | 3.1 | 140 litres/day |
| 2 | 140 | 3.1 | 280 litres/day |
| 4 | 140 | 3.1 | 560 litres/day |
| 6 | 120 | 3.1 | 720 litres/day |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Water Usage Per Calculator FAQ
Answers to common questions about this calculator.
About 140 to 150 litres in the UK.
Often for small households using less water than the average.
Use = people x litres per person; bill = annual m3 x price.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.