Convert US gallons per hour to Kilolitres per minute

Convert US gallons per hour (gph) to Kilolitres per minute (kL/min) instantly and accurately.

US gallons per hour (gph)
Kilolitres per minute (kL/min)

Conversion Formula

kL/min = gph × 6.309019640e-5

About US gallons per hour

The US gallon per hour (gph) equals 3.785411784×10⁻³/3600 ≈ 1.051×10⁻⁶ m³/s, common in oil-burner nozzle ratings, water-softener regeneration, and RV/marine-plumbing specifications. Residential oil-burner nozzles are rated in gph (e.g., 0.75 gph, 1.00 gph); a small boat bilge pump might handle 200-500 gph. 1 US gph ≈ 1.052×10⁻⁶ m³/s ≈ 3.785 L/h.

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

US gallons per hour (gph)Kilolitres per minute (kL/min)
1 gph6.309 × 10-5 kL/min
2 gph0.00012618 kL/min
5 gph0.000315451 kL/min
10 gph0.000630902 kL/min
25 gph0.00157725 kL/min
50 gph0.00315451 kL/min
100 gph0.00630902 kL/min

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