Climate & energy calculators and templates
Practical tools built on official data from NOAA, the UK Government, the US EPA and Our World in Data.
Calculators
Free, online, no sign-up. They work in any country.
Heat Index & Wet-Bulb Temperature Calculator
How hot it really feels, and how dangerous it is, from temperature and humidity.
Open the calculator →Electricity Cost Calculator
What any appliance costs to run per day, month and year, plus its carbon footprint.
Open the calculator →Small Business Carbon Footprint Calculator
A free first estimate of your company’s Scope 1 and 2 emissions in two minutes.
Open the calculator →Templates
Ready-made Excel and Word files for carbon accounting and sustainability reporting.
Free GHG Inventory Template (Excel)
Download a ready-made Excel workbook for Scope 1, Scope 2 and a Scope 3 screening.
Download the free template →GHG Inventory Pro Workbook (Excel)
Paid ($39): Scope 3 spend calculator with EPA factors, SBTi target tracker and GRI 305 table.
See the workbook ($39) →VSME Sustainability Report Template (Word)
Paid ($29): a ready-to-fill SME sustainability report covering VSME disclosures B1 to B11.
See the template ($29) →