Convert UK gallons per second to Cubic metres per hour
Convert UK gallons per second (gal/s) to Cubic metres per hour (m³/h) instantly and accurately.
Conversion Formula
m³/h = gal/s × 16.365924
About UK gallons per second
The UK (imperial) gallon per second (gal/s) equals 4.54609×10⁻³ m³/s, about 20% larger than the US gallon per second. It appears in pre-metric British fire-fighting standards, large pump test certificates, and naval engineering calculations. A UK fire engine pump rated 1 000 UK gal/min delivers ≈16.67 UK gal/s. 1 UK gal/s = 4.54609×10⁻³ m³/s ≈ 1.201 US gal/s.
About Cubic metres per hour
The cubic metre per hour (m³/h) equals 1/3600 m³/s ≈ 2.778×10⁻⁴ m³/s, the dominant volumetric flow unit in European process engineering, HVAC, and water treatment. Pump datasheet curves, heat-exchanger sizing software, and wastewater-treatment design all use m³/h as the standard. A domestic water pump runs at 3-8 m³/h; a municipal WWTP inlet pump handles 500-5 000 m³/h. 1 m³/h ≈ 2.778×10⁻⁴ m³/s = 1 000 L/h.
Quick Reference Table
| UK gallons per second (gal/s) | Cubic metres per hour (m³/h) |
|---|---|
| 1 gal/s | 16.3659 m³/h |
| 2 gal/s | 32.7318 m³/h |
| 5 gal/s | 81.8296 m³/h |
| 10 gal/s | 163.659 m³/h |
| 25 gal/s | 409.148 m³/h |
| 50 gal/s | 818.296 m³/h |
| 100 gal/s | 1636.59 m³/h |