Convert UK gallons per day to UK gallons per second

Convert UK gallons per day (gpd) to UK gallons per second (gal/s) instantly and accurately.

UK gallons per day (gpd)
UK gallons per second (gal/s)

Conversion Formula

gal/s = gpd × 1.157407407e-5

About UK gallons per day

The UK gallon per day (gpd) equals 4.54609×10⁻³/86400 ≈ 5.261×10⁻⁸ m³/s, used in British per-capita water-consumption statistics and pre-metric water-authority regulation. Historic UK Water Acts set minimum supply standards in UK gal/d per household; older UK borehole pump test reports quote sustained yield in UK gal/d. 1 UK gpd ≈ 5.261×10⁻⁸ m³/s.

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

UK gallons per day (gpd)UK gallons per second (gal/s)
1 gpd1.157 × 10-5 gal/s
2 gpd2.315 × 10-5 gal/s
5 gpd5.787 × 10-5 gal/s
10 gpd0.000115741 gal/s
25 gpd0.000289352 gal/s
50 gpd0.000578704 gal/s
100 gpd0.00115741 gal/s

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