Time & Date Planning
Handle date differences, exact age, schedule math, and countdown planning from one set of utility tools.
⚡ Energy Converter
Convert between Joules, Calories, kWh, BTU, and more
📏 Energy Input
📊 Conversion Results
Converted Energy
239.01 cal
Joules
1000
Calories
239.01
kWh
0.000278
BTU
0.948
📚 Understanding Energy Units
Common Energy Units
- Joule: SI unit of energy, 1 J = 1 Newton-meter
- Calorie: Energy needed to raise 1g of water by 1°C
- kWh: Kilowatt-hour, commonly used for electricity billing
- BTU: British Thermal Unit, used in heating and cooling
Frequently Asked Questions
What is the difference between calories and Calories?
A calorie (lowercase) is the energy to heat 1g of water by 1°C. A Calorie (uppercase, or kcal) is 1000 calories and is used in food nutrition labels.
How do I convert kWh to Joules?
Multiply kWh by 3,600,000. For example, 1 kWh = 3,600,000 Joules (or 3.6 MJ).
🧭 Guided Journeys
Use a workflow instead of stopping at one result
These grouped paths are designed to help you continue with the most common follow-up calculations in this category.
Home Project Estimator
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Conversion & Utility Tools
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