US Gallons to Kiloliters
Convert us gallons to kiloliters instantly. 1 gal = 0.0037854118 kL. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert us gallons to kiloliters
To convert us gallons to kiloliters, divide by 264.1720523581 (multiply by 0.0037854118). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
kL = gal × 0.0037854118
US Gallons to Kiloliters conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| US Gallons | Kiloliters |
|---|---|
| 1 gal | 0.003785 kL |
| 2 gal | 0.007571 kL |
| 3 gal | 0.011356 kL |
| 5 gal | 0.018927 kL |
| 10 gal | 0.037854 kL |
| 20 gal | 0.075708 kL |
| 25 gal | 0.094635 kL |
| 50 gal | 0.189271 kL |
| 100 gal | 0.378541 kL |
| 500 gal | 1.892706 kL |
| 1,000 gal | 3.785412 kL |
What is a us gallon?
Exactly 231 cubic inches — smaller than the imperial gallon.
What is a kiloliter?
One cubic metre of liquid. Used on water bills.
The formula
kL = gal × 0.0037854118
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the US Gallons to Kiloliters
- Type the number of us gallons you want to convert.
- Read the result in kiloliters straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked kiloliters to us gallons page.
US Gallons to Kiloliters — frequently asked questions
How many kiloliters are in a us gallon?
One us gallon equals 0.0037854118 kL. kL = gal × 0.0037854118
What is the formula to convert us gallons to kiloliters?
The formula is kL = gal × 0.0037854118. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert kiloliters back to us gallons?
Divide instead of multiplying: one kiloliter is 264.1720523581 gal. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this us gallons to kiloliters free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error