How do I estimate how much water I use?You can use our online water usage calculator to work out how much water you use.feedbackWas this helpful? Yes No Please let us know if you have any feedback.Thank you for your feedbackfeedback actions Send feedback Live ChatRelated articles Can you visit my home to help me save water? Why has my water usage increased? How can I save water in my home and garden? How much water do average households use? Do you sell water butts?