Convert thermochemical calories (cal) to megajoules (MJ).
Edit either value. Decimals and scientific notation supported.
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1 cal ≈ 0.000004184 MJ
Precision changes displayed rounding, not calculation accuracy.
MJ = cal × 0.000004184MJ = cal × 0.000004184
Multiply the cal reading by 0.000004184.
1 cal ≈ 0.000004184 MJ
1 × 0.000004184 ≈ 0.000004184
1000 cal ≈ 0.004184 MJ
1000 × 0.000004184 ≈ 0.004184
A food Calorie is a kilocalorie: 1 kcal = 1,000 cal. This tool uses the thermochemical calorie of exactly 4.184 J.
Fixed reference · Thermochemical calorie to Megajoule
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
| Thermochemical calorie (cal) | Megajoule (MJ) |
|---|---|
| 0 | 0 |
| 0.1 | 4.184e-7 |
| 0.5 | 0.000002092 |
| 1 | 0.000004184 |
| 2 | 0.000008368 |
| 5 | 0.00002092 |
| 10 | 0.00004184 |
| 25 | 0.0001046 |
| 50 | 0.0002092 |
| 100 | 0.0004184 |
| 1000 | 0.004184 |
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