Convert Revolutions per minute per second to Degrees per minute squared
Convert Revolutions per minute per second (rpm/s) to Degrees per minute squared (°/min²) instantly and accurately.
Conversion Formula
°/min² = rpm/s × 21600
About Revolutions per minute per second
The revolution per minute per second (rpm/s) equals π/30 ≈ 0.10472 rad/s², the dominant unit in motor and drivetrain data sheets. A petrol engine from idle to 5000 rpm in 3 s accelerates at ≈1667 rpm/s; electric car motors achieve up to 15000 rpm/s in torque-vectoring mode; washing machine spin-up from 0 to 1200 rpm in 40 s = 30 rpm/s. IEC 61800-2 servo drive specifications quote peak angular acceleration in rpm/s. 1 rpm/s = π/30 rad/s² = 6 °/s².
About Degrees per minute squared
The degree per minute squared (°/min²) equals π/648000 ≈ 4.848 × 10⁻⁶ rad/s², coincidentally equal to 1 °/h/s. It appears in slow rotational dynamics: spinning astronomical instrument platforms ramp up at fractions of a °/min² to avoid disturbing cryogenic detectors. Large CNC rotary tables for turbine disc indexing programme controlled acceleration profiles in °/min². 1 °/min² = π/648000 rad/s².
Quick Reference Table
| Revolutions per minute per second (rpm/s) | Degrees per minute squared (°/min²) |
|---|---|
| 1 rpm/s | 21600 °/min² |
| 2 rpm/s | 43200 °/min² |
| 5 rpm/s | 108000 °/min² |
| 10 rpm/s | 216000 °/min² |
| 25 rpm/s | 540000 °/min² |
| 50 rpm/s | 1080000 °/min² |
| 100 rpm/s | 2160000 °/min² |