Carbon tracking that’s fast, clear, and useful
Travel, home energy, and food — with live grid intensity and transparent methods.
Cleanest hours aren’t always cheapest. Check the 24-hour trend before big loads.
Short-haul flights are worst per km. Rail or coach can cut emissions by multiples.
EV owners: shifting just 3 hours can meaningfully cut charging CO₂.
Next 3 clean hours
Use the 24-hour trend to plan EV charging, laundry, and water heating.
What makes this actually useful
Numbers alone aren’t helpful. We show what to do with them.
Grid intensity updates throughout the day, so you can shift flexible loads.
See the cleanest hours at a glance — plan EV charging or laundry accordingly.
Each Calculator links to a short method note with assumptions and sources.
Carbon Calculators
Fast tools with clear results. No sign-ups, no hype.
Make the next decision a cleaner one
Open a Calculator, get a number that means something, and act on it.