⚡ Power
horsepower to cal/sec Converter
Convert horsepower to cal/sec instantly with a reference conversion table.
Quick answer: To convert horsepower to cal/sec, multiply by 178.227. For example, 1 horsepower = 178.227 cal/sec. Use the calculator below for any value.
horsepower to cal/sec
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Common conversions
| horsepower | cal/sec |
|---|
Formula:
How to convert horsepower to cal/sec
1
Enter your value
Type the number of horsepower you want to convert into the left box. The result in cal/sec appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — cal/sec to horsepower. Your current value carries across so you don't have to re-enter anything.
3
About horsepower and cal/sec
horsepower and cal/sec are common power measurements.
📊 Common conversions at a glance
| horsepower | cal/sec |
|---|---|
| 0.00561 | 0.9999 |
| 0.1 | 17.82 |
| 0.5 | 89.11 |
| 1 | 178.2 |
| 2 | 356.5 |
| 5 | 891.1 |
Reviewed for 2026. horsepower ↔ cal/sec conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.