Energy converter

Joules, calories, kWh, BTU.

1 joule =

0.001kJ

Energy conversions

cal → J J → cal kcal → J J → kWh kWh → J Big Macs → kcal donuts → kcal pizzas → slices slices → pizzas kcal → cheeseburgers kcal → bananas chocolate bars → kcal Calories to Walking Time kcal → slices

Supported units

JouleJ
KilojoulekJ
Caloriecal
Kilocaloriekcal
Watt-hourWh
Kilowatt-hourkWh
British thermal unitBTU
Big MacBig Macs
Cheeseburgercheeseburgers
Pizza sliceslices
Pizza (whole, 8 slices)pizzas
Donutdonuts
Banana (calories)bananas
Chocolate barchocolate bars
Hour of walkingh walking