Rydbergs to Calories Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Rydbergs to Calories
Multiply the rydbergs value by 5.21e-19: 1 Ry = 5.21e-19 cal. Going the other way, 1 cal = 1.9194e+18 Ry, so divide by 5.21e-19 or use the Calories to Rydbergs converter.
About these units
Calories (cal)
The calorie used here is the thermochemical calorie, exactly 4.184 joules, roughly the energy needed to warm one gram of water by one degree Celsius. Food calories are actually kilocalories.
Rydbergs to Calories conversion table
| Rydbergs (Ry) | Calories (cal) |
|---|---|
| 1 Ry | 5.21e-19 cal |
| 2 Ry | 1.042e-18 cal |
| 3 Ry | 1.563e-18 cal |
| 4 Ry | 2.084e-18 cal |
| 5 Ry | 2.605e-18 cal |
| 10 Ry | 5.21e-18 cal |
| 20 Ry | 1.042e-17 cal |
| 25 Ry | 1.3025e-17 cal |
| 50 Ry | 2.605e-17 cal |
| 100 Ry | 5.21e-17 cal |
| 500 Ry | 2.605e-16 cal |
| 1,000 Ry | 5.21e-16 cal |