Ecology
Carbon footprint, energy, transport and waste - calculators for sustainable choices. Units and amounts per header.
Carbon footprint and energy
Energy savings calculator
Energy savings calculator: 400 and 40 a month come back in 0.8 years.
Use calculator →Carbon footprint calculator
Carbon footprint calculator: 12,000 km, 4,000 km of flights and 2,500 kWh give 4,265 kg.
Use calculator →Refrigerant leak
Yearly CO₂e from a refrigerant leak: charge, leak rate, and GWP.
Use calculator →Diet carbon footprint
Daily diet footprint from calories plus plant and beef shares.
Use calculator →Food water footprint
Weekly virtual water on the plate: meat, rice, and milk.
Use calculator →Appliance electricity
Yearly home kWh from fridge, laundry, dishwasher, cooking, and TV.
Use calculator →Household CO₂
A home yearly footprint from power, gas, district heat, and PV.
Use calculator →Insulation CO₂
How much heating CO₂ you cut when you improve a wall U-value.
Use calculator →Takeaway coffee
Weekly takeaway-coffee footprint: cups, milk, beans, and power.
Use calculator →Green power contract
How much grid CO₂ you cut after a green-power contract.
Use calculator →Apparel CO₂e
A yearly closet footprint from pieces, kg, air freight, and returns.
Use calculator →Heat pump vs gas
Compare a heat pump and gas on the same heating season.
Use calculator →Showers and DHW
Energy and CO₂ behind household showers and hot water.
Use calculator →LED retrofit
kWh and CO₂ you drop after swapping old fixtures for LED.
Use calculator →Solar PV calculator
Year-1 solar yield from array size (kWp) and kWh per kWp.
Use calculator →Streaming CO₂
A yearly streaming footprint from hours, bitrate, and device power.
Use calculator →Tree CO₂
How much CO₂ one trunk holds from diameter, height, and type.
Use calculator →Transport and waste
Flight carbon footprint
One flight footprint from km, cabin class, and the RFI multiplier.
Use calculator →School bus diesel vs electric
Compare a school-bus year: diesel against electric.
Use calculator →Truck vs rail
The same shipment: truck CO₂ versus rail.
Use calculator →Multimodal commute
A yearly commute footprint when you mix car, rail, bus, and bike.
Use calculator →Food waste
Weekly food-scrap footprint: landfill versus compost.
Use calculator →Remote work CO₂
Car CO₂ you skip when a few workdays stay at home.
Use calculator →EV vs petrol
A yearly car footprint when part of the km is electric.
Use calculator →Lawn equipment emissions
A garden-season footprint from mower, two-stroke, and electric tools.
Use calculator →Waste and recycling
A yearly bin footprint: landfill, recycling, and compost shares.
Use calculator →