12 comparison tools
Energy & power
Kettles, cars, power stations and lightning, on one scale you can actually read.
- Appliance power A wattage against the appliances in a home, from an LED bulb to an electric shower.
- Battery capacity A battery capacity against phones, laptops, power tools, cars and grid storage.
- Calories in things A calorie count against meals, exercise and the energy in other things entirely.
- Carbon footprint Emissions in kilograms of CO₂, against flights, meals, driving and a whole year of living.
- Earthquake energy Earthquake magnitudes converted into energy — the scale that shows why each step matters so much.
- Exercise energy The energy cost of an hour of each activity, against the food it corresponds to.
- Explosion energy An energy release against firecrackers, industrial accidents, bombs and asteroid impacts.
- Fuel energy density Energy per kilogram for batteries, wood, petrol, hydrogen and uranium.
- Heating a home A yearly heating demand against homes of different sizes and standards.
- How much energy is that? Any amount of energy placed between a AA battery, a tank of petrol and an atomic bomb.
- Human power output Human output in watts, against the machines that replaced it.
- Power plant output A power output against wind turbines, gas plants, nuclear reactors and whole grids.