Horsepower (hp)
Convert Horsepower to Other Units
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About the Horsepower
Unit Details
Quick Conversions
Reference Chart
Horsepower Reference Chart - Power Conversions
Interactive conversion chart showing power unit relationships. Compare 8 common units with precise calculations.
| Unit | Symbol | Equivalent to 1 aJ/s |
|---|---|---|
| Attojoule/SecondBase Unit | aJ/s | 1 |
| Attowatt | aW | 1 |
| Btu/Hour (International) | h | 2.931E17 |
| Btu/Hour (Thermochemical) | h | 2.929E17 |
| Btu/Minute (International) | min | 1.758E19 |
| Btu/Minute (Thermochemical) | min | 1.757E19 |
| Btu/Second (International) | s | 1.055E21 |
| Btu/Second (Thermochemical) | s | 1.054E21 |
Quick Reference
About Power
Convert between different units of power
Conversion Accuracy
All conversions use official conversion factors and are calculated with maximum precision to ensure professional-grade accuracy.
Comparison Table
Horsepower Comparison Table
Compare Horsepower values with 6 other power units. Quick reference for common conversion values.
| Horsepower (hp) | Attojoule/Second (aJ/s) | Attowatt (aW) | Btu/Hour (International) (h) | Btu/Hour (Thermochemical) (h) | Btu/Minute (International) (min) | Btu/Minute (Thermochemical) (min) |
|---|---|---|---|---|---|---|
| 1 | 7.457E20 | 7.457E20 | 2,544.433416 | 2,546.137089 | 42.407238 | 42.435618 |
| 5 | 3.728E21 | 3.728E21 | 12,722.167078 | 12,730.685446 | 212.03619 | 212.178091 |
| 10 | 7.457E21 | 7.457E21 | 25,444.334156 | 25,461.370892 | 424.072381 | 424.356182 |
| 25 | 1.864E22 | 1.864E22 | 63,610.835391 | 63,653.42723 | 1,060.180952 | 1,060.890454 |
| 50 | 3.728E22 | 3.728E22 | 127,221.670782 | 127,306.85446 | 2,120.361903 | 2,121.780908 |
| 100 | 7.457E22 | 7.457E22 | 254,443.341565 | 254,613.70892 | 4,240.723806 | 4,243.561815 |
How to Use This Table
Find the value in Horsepower in the first column, then read across to see the equivalent values in other power units.
Precision Note
All conversions are calculated using precise conversion factors with locale-appropriate number formatting for optimal readability.
About the Horsepower
The Horsepower (hp) is a unit of power measurement. Use our converter above to convert Horsepower to any other power unit instantly