Convert Grains per second to Grams per hour
Convert Grains per second (gr/s) to Grams per hour (g/h) instantly and accurately.
Conversion Formula
g/h = gr/s × 233.276076
About Grains per second
The grain per second (gr/s) equals 64.79891 mg/s or 6.479891×10⁻⁵ kg/s. The grain (= 1/7000 lb exactly) is the smallest avoirdupois mass unit, still used in ballistics for bullet and propellant-charge weights. A .308 Winchester rifle bullet of 168 gr fired in 1 s represents 168 gr/s; powder charge is typically 40-46 gr. 1 gr/s = 6.479891×10⁻⁵ kg/s = 64.79891 mg/s.
About Grams per hour
The gram per hour (g/h) equals 10⁻³/3600 ≈ 2.778×10⁻⁷ kg/s, used in fuel-cell hydrogen consumption tests, precision agricultural sprayers, and humidity calibration. A 1 kW PEM fuel cell consumes roughly 750 g/h of hydrogen at rated power. Automotive air-conditioning refrigerant leak standards are set in g/h. 1 g/h ≈ 2.778×10⁻⁷ kg/s = 1/3600 g/s.
Quick Reference Table
| Grains per second (gr/s) | Grams per hour (g/h) |
|---|---|
| 1 gr/s | 233.276 g/h |
| 2 gr/s | 466.552 g/h |
| 5 gr/s | 1166.38 g/h |
| 10 gr/s | 2332.76 g/h |
| 25 gr/s | 5831.9 g/h |
| 50 gr/s | 11663.8 g/h |
| 100 gr/s | 23327.6 g/h |