Joule to Calorie
1 J = 0.23901 cal
Convert Joule (J) to Calorie (cal) with engineering-grade precision. Instant results, formula, and reference table below.
1 Joule ≈0.2390057361 Calorie
How to convert Joule to Calorie (J to cal)
Converting Joules to Calories is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 J = 0.239006 cal
Calculation Example
Let's say you want to convert 5 J to cal:
- Input: 5 J
- Calculation: 5 × 0.239006
- Result: 1.1950 cal
About the Joule to Calorie conversion
The conversion factor from Joule (J) to Calorie (cal) is 0.23901, meaning 1 J = 0.23901 cal and inversely 1 cal = 4.184 J. That makes the Calorie the larger of the two units in the energy category, where the SI base unit is the joule. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Calorie to Joule converter.
Frequently Asked Questions
How do I convert Joule to Calorie?
To convert Joule to Calorie, you need to multiply the J value by 0.239006.
What is the formula for J to cal?
The simple formula is: cal = J × 0.239006.
Which is bigger: Joule or Calorie?
A Calorie is bigger. One Calorie is equal to approx 4.1840 Joules.
How many Joules are in one Calorie?
There are approximately 4.18400 Joules in one Calorie.
Quick Conversion Table
| J | cal |
|---|---|
| 1 | 0.2390 |
| 5 | 1.1950 |
| 10 | 2.3901 |
| 20 | 4.7801 |
| 50 | 11.9503 |
| 100 | 23.9006 |