CO2 Counter
About CO2 Counter

Your footprint, counted honestly. Then made smaller.

CO2 Counter is a free, six-step survey that works out your yearly carbon footprint from official UK data, then shows you the changes that cut it the most.

  • Free for everyone
  • Independent
  • Official UK data
  • Kept going by supporters
Where the numbers come from

Official data in. Your estimate out.

It's an estimate, not a meter reading. The factors are UK averages, so your real footprint will differ a little. It's accurate enough to show where your biggest savings are.

1 · Your answers
MealsMeat on about 3 days a week
Home energy2,500 kWh power, gas heating
FlightsAbout 1 return flight a year
Commute3.1 km, mostly by car
PetsA share of a pet
Water140 litres a day
2 · Official UK factors
DESNZDefraONSOfgemDfTFood
The calculator
answers × factors
3 · Your footprint
Typical UK footprintEstimate
4.9 t
CO₂e a year
See an example result
1 · Your answers
Meals
Home energy
Flights
Commute
Pets
Water
DESNZDefraONSOfgemDfTFood
2 · × official UK factors
3 · Typical footprintEstimate
4.9 t CO₂e a year
Who runs it

One independent project, answerable only to the people using it.

Jack Brown
Runs CO2 Counter, UK

CO2 Counter isn't owned or funded by any energy company, bank or other business. It's free for everyone, and people who find it useful can support it for £2 a year.

CO2counter@outlook.com
£0To use, for everyone. No paywall, no premium tier.
£2A year, if you'd like to support it. Entirely optional.
0Affiliate links on the site today.
What we believe

The climate comes first. Every time.

  1. 01

    Count it honestly.

    Real UK factors, shown openly. No guilt, and no inflated numbers to scare you into acting.

  2. 02

    Make the next step obvious.

    A number alone changes nothing. We point to the few changes that matter most for you.

Climate first

We recommend what cuts the most carbon, even when there's nothing in it for us.

Free options too

Free guides like The Man in Seat 61 and Fork Ranger sit alongside paid services.

Figures stay ours

No partner can change or sponsor the numbers in your results.

Money stays clean

Banks are picked from the league table, whether or not a link pays us. Pension suggestions are never affiliate links.

See all our greener switches

Affiliate links

If we ever earn from a link, you'll see this tag.

Some links may earn us a small fee, at no extra cost to you. Those links always carry the tag. Right now none of our links are affiliate links, and bank or pension suggestions never will be.

Example only
Green energy supplierAffiliate
100% renewable tariff · example.co.uk
This honey-coloured tag means we'd earn a fee.

Six steps. A few minutes.

See your footprint, how it compares to the UK average, and where to start.