Convert cal to J
Use the live converter below to translate between Calorie (cal) and Joule (J). Scroll further for quick examples, formula tips, and related units.
Convert
cal → J
Formula
1 cal = 4.184 J
Conversion sourcesTap or click to view references
The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table
Results update as you type. Swap the direction to convert back from J to cal.
cal to J quick table
Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.
| Calorie (cal) | Joule (J) |
|---|---|
| 0.25 cal | 1.046 J |
| 0.5 cal | 2.092 J |
| 1 cal | 4.184 J |
| 2 cal | 8.368 J |
| 5 cal | 20.92 J |
| 10 cal | 41.84 J |
| 25 cal | 104.6 J |
| 100 cal | 418.4 J |
J back to cal
Keep the reciprocal handy when double-checking calculations or undoing a conversion.
| Joule (J) | Calorie (cal) |
|---|---|
| 0.25 J | 0.0598 cal |
| 0.5 J | 0.1195 cal |
| 1 J | 0.239 cal |
| 2 J | 0.478 cal |
| 5 J | 1.195 cal |
| 10 J | 2.3901 cal |
| 25 J | 5.9751 cal |
| 100 J | 23.9006 cal |
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