Convert UK gallons per minute to Kilolitres per minute

Convert UK gallons per minute (gpm) to Kilolitres per minute (kL/min) instantly and accurately.

UK gallons per minute (gpm)
Kilolitres per minute (kL/min)

Conversion Formula

kL/min = gpm × 0.00454609

About UK gallons per minute

The UK (imperial) gallon per minute (gpm) equals 4.54609×10⁻³/60 ≈ 7.577×10⁻⁵ m³/s, historically used in British plumbing design, pump curves, and water-treatment plant sizing. Pre-metric UK water-industry capacity tables and pump manufacturers quoted flows in UK gal/min; legacy British Standard BS EN pump curves often show both units. 1 UK gpm ≈ 7.577×10⁻⁵ m³/s ≈ 4.546 L/min.

About Kilolitres per minute

The kilolitre per minute (kL/min) equals 1/60 m³/s ≈ 0.016667 m³/s, used in Australian water-utility engineering for pump and pipeline sizing. Irrigation district delivery schedules and water-authority trunk-main flow records in Australia and New Zealand frequently use kL/min as an intermediate unit between L/s and ML/d. 1 kL/min = 1 000 L/min ≈ 264.2 US gal/min.

Quick Reference Table

UK gallons per minute (gpm)Kilolitres per minute (kL/min)
1 gpm0.00454609 kL/min
2 gpm0.00909218 kL/min
5 gpm0.0227304 kL/min
10 gpm0.0454609 kL/min
25 gpm0.113652 kL/min
50 gpm0.227304 kL/min
100 gpm0.454609 kL/min

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