Convert US gallons per day to Kilolitres per day

Convert US gallons per day (gpd) to Kilolitres per day (kL/d) instantly and accurately.

US gallons per day (gpd)
Kilolitres per day (kL/d)

Conversion Formula

kL/d = gpd × 0.003785411784

About US gallons per day

The US gallon per day (gpd) equals 3.785411784×10⁻³/86400 ≈ 4.381×10⁻⁸ m³/s, the standard unit in US water-utility regulation and residential water-well pump sizing. The US national average residential water use is about 80-100 gpd per person; a reverse-osmosis membrane module is rated in gpd (50-100 gpd for domestic units). 1 US gpd ≈ 4.381×10⁻⁸ m³/s.

About Kilolitres per day

The kilolitre per day (kL/d) equals 1/86400 ≈ 1.157×10⁻⁵ m³/s, the standard unit for per-household and per-property water-consumption billing in Australia. Sydney Water and other Australian utilities charge tariffs per kL/d consumed; a typical Australian household uses 0.6-1.0 kL/d. 1 kL/d = 1 m³/d ≈ 264.2 US gal/d.

Quick Reference Table

US gallons per day (gpd)Kilolitres per day (kL/d)
1 gpd0.00378541 kL/d
2 gpd0.00757082 kL/d
5 gpd0.0189271 kL/d
10 gpd0.0378541 kL/d
25 gpd0.0946353 kL/d
50 gpd0.189271 kL/d
100 gpd0.378541 kL/d

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