Blue Carbon Calculator — measure your blue carbon impact. Evidence-based formula with reduction tips.
Total water footprint = Direct water use + Virtual water in food + Virtual water in goods
Virtual water examples: 1 kg beef ≈ 15,400 L; 1 kg chicken ≈ 4,325 L; 1 kg wheat ≈ 1,830 L; 1 cup of coffee ≈ 140 L; 1 cotton t-shirt ≈ 2,700 L; 1 smartphone ≈ 13,000 L
Direct water use: average 8-minute shower ≈ 65 L; standard washing machine cycle ≈ 50–100 L; dishwasher cycle ≈ 12–15 L