Convert Grams per day to Grains per hour
Convert Grams per day (g/d) to Grains per hour (gr/h) instantly and accurately.
Conversion Formula
gr/h = g/d × 0.6430149314
About Grams per day
The gram per day (g/d) equals 10⁻³/86400 ≈ 1.157×10⁻⁸ kg/s, applied in nutritional biochemistry, pharmacology, and low-rate environmental monitoring. Human daily protein synthesis rates are in the range of 250-300 g/d; WHO recommended dietary iron intake is 8-18 mg/d; refrigerant leakage regulations cap systems at a few g/d. 1 g/d ≈ 1.157×10⁻⁸ kg/s.
About Grains per hour
The grain per hour (gr/h) equals 6.479891×10⁻⁵/3600 ≈ 1.800×10⁻⁸ kg/s, used in HVAC psychrometric calculations for dehumidifier capacity and moisture-removal rates. ASHRAE load calculation spreadsheets report latent loads in grains of water per hour; a typical residential dehumidifier removes 5×10⁵-2×10⁶ gr/h. 1 gr/h ≈ 1.800×10⁻⁸ kg/s.
Quick Reference Table
| Grams per day (g/d) | Grains per hour (gr/h) |
|---|---|
| 1 g/d | 0.643015 gr/h |
| 2 g/d | 1.28603 gr/h |
| 5 g/d | 3.21507 gr/h |
| 10 g/d | 6.43015 gr/h |
| 25 g/d | 16.0754 gr/h |
| 50 g/d | 32.1507 gr/h |
| 100 g/d | 64.3015 gr/h |