Business Carbon Footprint Calculator

Carbon tools for small business

Know your company’s carbon footprint in two minutes.

Enter four numbers from your monthly bills. Ecoki turns them into tonnes of CO₂e, split by Scope 1, 2 and 3, so you can report it and start cutting it.

  • Free to use
  • No sign-up
  • GHG Protocol scopes

Business Carbon Calculator

Example figures. Replace with yours.
kWh / mo
Scope 2
kWh / mo
Scope 1
litres / mo
Scope 1
km / mo
Scope 3
1.65t CO₂e / month
19.8 t CO₂e per year
Scope 1 · 948 kg Scope 2 · 480 kg Scope 3 · 225 kg
Get the monthly report

Tools

One place for the numbers behind going green.

Each tool answers one question with your own figures. The business calculator is live today. The rest are on the way.

Business Carbon Calculator

Monthly CO₂e for a company, split by Scope 1, 2 and 3.

Live

Personal Footprint

Home, travel and food. See what one person adds up to in a year.

Coming soon

Solar Savings

How long rooftop panels take to pay for themselves.

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EV vs Petrol

Running cost and emissions per kilometre, side by side.

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Home Energy

Find which appliances use the most power and what they cost.

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Website Carbon Check

Grams of CO₂ per page view for any web address.

Coming soon

How it works

From utility bills to a report you can share.

  1. Enter your monthly figures

    Electricity, heating, fuel and flights. The numbers are already on your bills and expense reports.

  2. See your emissions

    Ecoki converts each figure to kg CO₂e and groups it into Scope 1, 2 and 3, following the GHG Protocol.

  3. Track and reduce

    With Pro you get a PDF each month, a month-to-month trend, and the actions that cut the most for your business.

Pricing

Free to calculate. $19 to report.

Use the calculator as often as you like. Upgrade when you need something to hand to a client, an investor or a regulator.

Free

$0
  • Business Carbon Calculator
  • Scope 1, 2 and 3 split on screen
  • No account needed
Use the calculator

Pro

Monthly report
$19/ month
  • Downloadable PDF report every month
  • Month-to-month emissions trend
  • Reduction tips ranked by impact
  • Ready for ESG and client questionnaires

Method

The factors behind the number.

Every result is your figure multiplied by an average emission factor. Grid electricity varies a lot by country, so treat the result as an estimate.

SourceScopeFactor
Grid electricity20.40 kg CO₂e / kWh
Natural gas10.18 kg CO₂e / kWh
Diesel12.68 kg CO₂e / litre
Petrol12.31 kg CO₂e / litre
Flights, economy30.15 kg CO₂e / km