Example conversions
- 1 kWh = 3,600,000 joules
- 100 kcal = 418,400 joules
- 1000 calories = 1 kcal
ENERGY CONVERTER
Convert joules, kWh, calories, and kcal for science,...
Power heat energy units
Current groupEnergy1 Joule = 0.00000028 kWh
Live formula1500 Joule = 0.00041667 kWh
Try popular targets
Converted value0.00041667
1500 Joule in kWh
CategoryEnergy
FromJoule
TokWh
Unit ratio1 Joule = 0.00000028 kWh
Conversion guide
Energy conversion notes
Energy conversion helps compare appliance usage, electricity consumption, nutrition values, heat energy, and physics references.
Energy values are normalized to joules. One kWh is 3,600,000 joules, one calorie is 4.184 joules, and one kcal is 4184 joules.
Common uses
- Electricity usage checks
- Nutrition label comparison
- Physics and heat calculations
Accuracy note
Food labels commonly use kcal when they say Calories with a capital C.
Practical guide
How to use the Energy Converter
Convert joules, kWh, calories, and kcal for science, electricity, appliance, and nutrition use cases.
Run quick conversions, homework checks, planning math, and back-of-the-envelope calculations without opening a spreadsheet.
Compare common energy units used in appliances and food. Use clean values and review the result label: power heat energy units.
The output follows standard formulas and displayed rounding. For engineering or compliance work, keep the required precision in mind.
Related tools
Tools for the same workflow
Open a nearby calculator or utility when the next step needs a different format, comparison, or check.
FAQ
Common questions, clean answers
How many joules are in one kWh?
One kilowatt-hour is 3,600,000 joules.
Is kcal the same as food Calories?
Food labels often use Calories with a capital C to mean kilocalories, so 1 kcal equals 1000 small calories.