Imperial gallon to Kiloliter

imp gal

1 imp gal

kl

0.00454608999998115 kl

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Quick Reference Table (Imperial gallon to Kiloliter)

Imperial gallon (imp gal)Kiloliter (kl)
0.50.002273044999990575
10.00454608999998115
20.0090921799999623
50.02273044999990575
100.0454608999998115
500.2273044999990575

About Imperial gallon (imp gal)

The imperial gallon is a unit of volume defined as exactly 4.54609 liters, used in the United Kingdom, Canada, and some Commonwealth nations. It is approximately 20% larger than the US liquid gallon. Fuel economy in the UK is expressed in miles per imperial gallon. The imperial gallon divides into 8 imperial pints, each of 568 mL. The UK officially metricated fuel sales to liters in the 1980s–1990s, but miles per imperial gallon remains the legal unit for new car fuel economy labels.

UK car fuel economy figures are expressed in miles per imperial gallon. One imperial gallon equals 8 standard UK pints of beer.

About Kiloliter (kl)

A kiloliter (kL) is 1,000 liters, exactly equal to one cubic meter (m³). It is used in water utility billing, industrial liquid storage, and large-scale liquid processing. Household water consumption is measured and billed in kiloliters by water utilities in Australia and South Africa. Industrial tanks, fuel storage, and tanker truck capacities are commonly expressed in kiloliters. One kiloliter of water has a mass of one metric tonne (1,000 kg).

An average Australian household uses about 200 kL of water per year. A standard road tanker truck holds 15–30 kL.


Imperial gallon – Frequently Asked Questions

One imperial gallon is defined as exactly 4.54609 liters — approximately 20% more than the US liquid gallon (3.785 L).

The UK switched fuel sales to liters in the 1990s. However, miles per gallon (imperial) remains the legal unit for car fuel economy on new vehicle labels. Road speed is in mph and distances are in miles, so imperial gallons remain embedded in UK motoring.

UK MPG uses the imperial gallon (4.546 L); US MPG uses the US gallon (3.785 L). Multiply UK MPG by 0.832 to get US MPG. A car rated 40 UK MPG ≈ 33 US MPG.

There are exactly 8 imperial pints in one imperial gallon. Each imperial pint is 568 mL, compared to 473 mL for a US pint.

Canada officially metricated in the 1970s and fuel is sold in liters. However, some older Canadians and certain agricultural contexts still reference imperial gallons informally. Canadian and UK imperial gallons are identical (4.54609 L).

Kiloliter – Frequently Asked Questions

An average Australian household uses about 0.5–0.6 kL (500–600 liters) per day, or roughly 200 kL per year. A US household averages higher at about 1.1 kL/day (300 gallons). The biggest daily consumers are showers (60–80 L each), toilet flushes (6–12 L each), and washing machines (50–100 L per load). A leaking toilet can waste 0.5 kL per day unnoticed. Water-efficient homes in drought-prone regions like Cape Town have achieved under 0.2 kL/day per household.

One kiloliter of pure water weighs approximately 1,000 kg (one metric tonne) at standard conditions.

Australia adopted kiloliters for water billing as it aligns with metric measurement. The average Australian home uses 150–250 kL per year, making the kL a practical household-scale unit.

Road tanker trucks typically carry 15–34 kL of liquid, depending on road weight limits and the liquid's density. Milk tankers commonly carry 20–30 kL; petrol tankers 25–34 kL.

One kiloliter equals approximately 264.2 US liquid gallons. A typical backyard swimming pool holds 40–80 kL (10,000–20,000 US gallons).

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