Convert Metric Horsepower to BTU per Second
Convert Metric Horsepower (PS) to BTU per Second (BTU/s) instantly and accurately.
Conversion Formula
BTU/s = PS × 0.6971183072
About Metric Horsepower
The metric horsepower (PS/CV/pk) equals exactly 75 kgf·m/s = 735.49875 W - the European equivalent of mechanical horsepower, defined as lifting 75 kg by 1 m/s. It was the DIN 66036 standard for European automotive ratings until the EU mandated kW. A 100 PS car produces 73.55 kW; 200 PS = 147.1 kW. The ~1.4% difference from mechanical hp (745.7 W) means a 100 PS car rates as 98.6 mechanical hp. German car advertising still shows PS parenthetically alongside kW. 1 PS = 735.49875 W.
About BTU per Second
One BTU per second (BTU/s) ≈ 1,055 W - close to 1 kW but slightly larger. Used when heat rates are so high that per-hour or per-minute numbers become unwieldy. In fire protection engineering, large house fires peak at 500-2,000 BTU/s; industrial fires at millions of BTU/s. Blast characterisation for petrochemical safety and large industrial heat exchangers with duties of millions of BTU/h are conveniently expressed in BTU/s. Since 1 BTU/s ≈ 1.055 kW, conversion to SI is straightforward. 1 BTU/s = 1,055.056 W.
Quick Reference Table
| Metric Horsepower (PS) | BTU per Second (BTU/s) |
|---|---|
| 1 PS | 0.697118 BTU/s |
| 2 PS | 1.39424 BTU/s |
| 5 PS | 3.48559 BTU/s |
| 10 PS | 6.97118 BTU/s |
| 25 PS | 17.428 BTU/s |
| 50 PS | 34.8559 BTU/s |
| 100 PS | 69.7118 BTU/s |