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Water Footprint Calculator

The Water Footprint Calculator lets a student measure both their direct tap-water use and the "virtual water" embedded in the food, energy, and goods they consume, turning water conservation into a personal, quantitative exercise. A companion educator directory lists dozens of other water-education sites, curricula, and games, and a Water Footprints 101 article library backs the calculator with explanatory content.

Visit Water Footprint Calculator ↗

What you will find there

  • A free household water-footprint calculator, available in English and Spanish
  • Water Footprints 101 articles covering water in food, energy, and everyday products
  • Dedicated middle- and high-school lesson plans built around footprint math
  • A large curated directory of other water-education websites, curricula, and games for educators
  • A Kids Corner for younger audiences

Our take

The calculator makes water use personal and countable, which suits a unit-rate or percent lesson; treat the calculator's output as an estimate rather than a precise measurement, since virtual-water figures vary by source.

Pairs well with our materials