Travel emissions
Compare car, flight (class + RFI), train, and bus before you book.
- • Flight class and radiative forcing options
- • Car uses EPA fuel factors (mpg → CO₂)
- • Clear “why it matters” + tips after results
Carbon calculators
Three quick tools, one simple goal: give you a number that means something — and the next step to reduce it.
Home energy
Convert kWh to kg CO₂e using live grid intensity and a 24-hour trend to find your cleanest hours.
- • Live intensity per zone (with fallback)
- • Best 3 hours to run flexible loads
- • Methodology explained under results
Food CO₂
Estimate your daily diet’s CO₂e with typical per-serving factors and plan lower-carbon swaps.
- • Directional factors by food group
- • Highlights the highest-impact items
- • Simple, fast inputs — no account