Ecology Calculators

Flight Carbon Footprint Calculator Estimate the CO₂ emissions of a flight per passenger.

Car CO₂ Emissions Calculator Estimate the CO₂ produced by driving a petrol car.

Tree CO₂ Absorption Calculator Estimate how much CO₂ your trees absorb per year.

Plastic Footprint Calculator Estimate the plastic-bottle waste you create per year.

Meat Footprint Calculator Estimate the CO₂ from your beef consumption.

Water Footprint Calculator Estimate your yearly water use.

Electricity Footprint Calculator Estimate CO₂ from your electricity use.

Paper Footprint Calculator Estimate trees used by your paper consumption.

Shower Water Footprint Calculator Estimate yearly water from showers.

AI Water Footprint Calculator Estimate water consumed by AI queries.

Christmas Tree Footprint Calculator Compare the carbon footprint of real and artificial trees.

COVID-19 Waste Calculator Estimate mask waste generated over time.

Cryptocurrency Footprint Calculator Estimate the energy and CO2 per transaction.

Hand Drying Footprint Calculator Compare paper towel and electric hand dryer footprints.

Kaya Identity Calculator Decompose CO2 emissions with the Kaya identity.

Reduce Your Plastic Calculator See how much plastic you save by cutting back.

Vegan Footprint Calculator Compare the environmental savings of a plant-based diet.

Solar Panel Calculator Estimate how many solar panels you need for your daily energy use.

Wind Turbine Power Calculator Estimate the power output of a wind turbine.

Hydroelectric Power Calculator Estimate power from water flow and head.

Solar Panel Payback Calculator Find how long a solar system takes to pay for itself.

Solar Savings Calculator Estimate annual savings from a solar array.

Solar Panel Wattage Calculator Find a solar panel's rated wattage.

Wind Turbine Profit Calculator Estimate the annual revenue and profit of a wind turbine.

Car vs Bike Calculator Find CO₂ and money saved by biking instead of driving.

Tap Water Savings Calculator Find money and plastic saved by skipping bottled water.

Reusable Bag Savings Calculator Find plastic bags avoided with reusable bags.

Meat-Free Days Savings Calculator Find CO₂ saved by cutting beef days.

Recycling CO₂ Savings Calculator Estimate CO₂ saved by recycling.

Books vs e-Books Calculator Compare the footprint of physical books versus an e-reader.

Cigarette Butts Cleanup Calculator Estimate the number of cigarette butts along a road and cleanup cost.

Drip Faucet Calculator Find how much water a dripping tap wastes.

Plug-in Hybrid Economy Calculator Compare annual fuel cost for a plug-in hybrid vs gas-only.

Water Demand Calculator Estimate total water demand for a population.

Carrying Capacity Calculator Estimate the maximum sustainable population from resources.

CO2 Breathing Emission Calculator Find the CO2 exhaled by a group of people.

Fish Mercury Calculator Check whether your fish intake exceeds the safe mercury limit.

Lotka-Volterra Calculator Find the equilibrium of a predator-prey system.

Passive House Savings Calculator Find the heating demand of a passive house compared with a standard one.

Shannon Diversity Index Calculator Find the Shannon biodiversity index from species counts.

Smog Calculator Convert an Air Quality Index into an equivalent number of cigarettes.