Watt-Second (W s)
Convert Watt-Second to Other Units
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About the Watt-Second
Unit Details
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Reference Chart
Watt-Second Reference Chart - Energy Conversions
Interactive conversion chart showing energy unit relationships. Compare 8 common units with precise calculations.
| Unit | Symbol | Equivalent to 1 aJ |
|---|---|---|
| AttojouleBase Unit | aJ | 1 |
| Btu (International) | Btu | 1.055E21 |
| Btu (Thermochemical) | Btu | 1.054E21 |
| Calorie (International) | cal | 4.187E18 |
| Calorie (Nutritional) | cal | 4.187E21 |
| Calorie (Thermochemical) | cal | 4.184E18 |
| Dyne-Centimeter | dyn cm | 1E11 |
| Electron Volt | eV | 0.16021 |
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Comparison Table
Watt-Second Comparison Table
Compare Watt-Second values with 6 other energy units. Quick reference for common conversion values.
| Watt-Second (W s) | Attojoule (aJ) | Btu (International) (Btu) | Btu (Thermochemical) (Btu) | Calorie (International) (cal) | Calorie (Nutritional) (cal) | Calorie (Thermochemical) (cal) |
|---|---|---|---|---|---|---|
| 1 | 1E18 | 9.478E-4 | 9.485E-4 | 0.238846 | 2.388E-4 | 0.239006 |
| 5 | 5E18 | 0.004739 | 0.004742 | 1.194229 | 0.001194 | 1.195029 |
| 10 | 1E19 | 0.009478 | 0.009485 | 2.388459 | 0.002388 | 2.390057 |
| 25 | 2.5E19 | 0.023695 | 0.023711 | 5.971147 | 0.005971 | 5.975143 |
| 50 | 5E19 | 0.047391 | 0.047423 | 11.942295 | 0.011942 | 11.950287 |
| 100 | 1E20 | 0.094782 | 0.094845 | 23.88459 | 0.023885 | 23.900574 |
How to Use This Table
Find the value in Watt-Second in the first column, then read across to see the equivalent values in other energy units.
Precision Note
All conversions are calculated using precise conversion factors with locale-appropriate number formatting for optimal readability.
About the Watt-Second
The Watt-Second (W s) is a unit of energy measurement. Use our converter above to convert Watt-Second to any other energy unit instantly