Convert Cubic metres per day to UK gallons per second

Convert Cubic metres per day (m³/d) to UK gallons per second (gal/s) instantly and accurately.

Cubic metres per day (m³/d)
UK gallons per second (gal/s)

Conversion Formula

gal/s = m³/d × 0.002545940374

About Cubic metres per day

The cubic metre per day (m³/d) equals 1/86400 ≈ 1.157×10⁻⁵ m³/s, standard in water-resource management, desalination-plant capacity, and per-capita water-consumption accounting. A municipal desalination plant may produce 100 000-1 000 000 m³/d; the WHO minimum water supply requirement is 0.05 m³/d per person. 1 m³/d ≈ 1.157×10⁻⁵ m³/s = 264.2 US gal/d.

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.

Quick Reference Table

Cubic metres per day (m³/d)UK gallons per second (gal/s)
1 m³/d0.00254594 gal/s
2 m³/d0.00509188 gal/s
5 m³/d0.0127297 gal/s
10 m³/d0.0254594 gal/s
25 m³/d0.0636485 gal/s
50 m³/d0.127297 gal/s
100 m³/d0.254594 gal/s

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