🌍 Free food carbon footprint calculator

What’s your Carbon Foodprint?

Build your typical week of food and see its climate, land and water footprint next to a planet-based diet. Then find the easy swaps that make the biggest difference, measured in car miles.

Free accountNo cardUnder a minute to join

38,700farms behind the data
4impacts: climate, land, water, pollution
15food groups

See it in action

Your week of food, measured

Your footprint against a planet-based week, what’s driving it, and one-tap swaps with the saving shown in car miles.

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What you get

Everything in the Carbon Foodprint

Climate, land and water

Not just carbon: see the land your food needs, the water it uses and the pollution it causes.

Compared with a planet-based diet

See how your week stacks up against the EAT-Lancet planetary health diet.

What’s driving your footprint

Find the two or three foods doing most of the damage. It’s rarely the ones people expect.

One-tap swaps

Try a swap and watch the saving, shown in car miles so it actually means something.

UK or US

Start from an average UK or US week, with the right units and portions.

Track your progress

Save your week and see your footprint fall over time.

All of this is freeCreate your foodfacts.org account in under a minute. No card, no catch.
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How it works

Three steps, about two minutes

  1. 1

    Start from an average week

    Pick the UK or US average, or a vegetarian or vegan week.

  2. 2

    Adjust it to match yours

    Tap portions up or down for each food group.

  3. 3

    Try the swaps

    See the difference each change makes, then save it.

Two minutes from now, you’ll knowYour result is saved to your account, ready whenever you need it.
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Why you can trust it

Independent, evidence-based, on your side

  • Built on Our World in Data figures from Poore & Nemecek (2018), Science: data from around 38,700 farms
  • Healthy ranges from the EAT-Lancet Commission
  • Open data, no judgement, no green-washing

foodfacts.org is an independent non-profit that fact-checks food and nutrition claims. We take no advertising and no money from the food industry.

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Questions

What’s the carbon footprint of my diet?

In our calculator, an average UK week of food works out at roughly 8 kg of CO₂e a day, and a vegan week nearer 3 kg. Build your own typical week to see yours.

Which foods have the biggest carbon footprint?

Per kilo, beef is by far the highest, followed by dark chocolate, lamb, coffee, farmed prawns and cheese. Beans, peas, nuts and grains are among the lowest.

Is local food always better for the climate?

Not always. For most foods, what you eat matters far more than how far it travelled, because transport is usually a small share of the total.

Is it free?

Yes, with a free foodfacts.org account. No card needed.

Where does the data come from?

Our World in Data’s figures from Poore & Nemecek (2018), the largest study of food’s environmental impact, covering around 38,700 farms in 119 countries.

Ready?

What’s your Carbon Foodprint? Find out in two minutes.

Create your free foodfacts.org account and you’ll go straight into the Carbon Foodprint.

Try the Carbon Foodprint free →