Water Footprint Calculator

Water footprint measures total fresh water consumed to produce goods. Meat production (especially beef) has a very high water footprint; plant-based foods are generally much lower

The calculator uses the standard published formula for water footprint. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with kilograms, inches, litres, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Virtual water = litres of water per kg of product. Each step in the calculation is shown so you can verify the result manually.