80 liters to US gallons
21.13 gal
80 L = 21.13 gal, or 5 gal 1.13 qt.
US gallons
21.13gal
80 L = 21.13 gal
The short answer
How many US gallons is 80 liters?
80 L = 21.13 gal, which reads as 5 gal 1.13 qt. 1 liter = 0.264172 US gallons, so the working is 80 × 0.264172 = 21.13.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 liter = 0.264172 US gallons 80 × 0.264172 = 21.13
80 liters as 5 gal 1.13 qt
A decimal is the right form for a spreadsheet and the wrong one for almost everything else. Split into whole units, 80 L is 5 gal 1.13 qt — the reading you would actually give someone, and the one a tape measure, a scale, or a timetable is marked in.
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (gal) | Off by |
|---|---|---|
| Whole number | 21 | −0.13376 |
| 1 decimal | 21.1 | −0.03376 |
| 2 decimals | 21.13 | −0.00376 |
Round trip: take 21.13 gal back the other way and you land on 79.9858 L — a drift of 0.0142 L. That gap is the rounding, not the conversion.
What 80 L looks like
82 L
Two firkins make a kilderkin, 18 imperial gallons or 81.83 litres, a cask size still listed in British brewing.
Frequently asked questions
What is 80 liters in US gallons?
80 liters is 21.13 US gallons. 1 liter = 0.264172 US gallons, so the working is 80 × 0.264172 = 21.13.
What is 80 liters in gallons and quarts?
5 gal 1.13 qt. A decimal answer such as 21.13 gal is the right shape for a form field or a spreadsheet, but the compound form is what a tape measure, a scale, or a schedule actually reads.
How accurate is 21.13 gal?
Rounding to 21.13 gal and converting straight back gives 79.9858 L, a drift of 0.0142 L from the 80 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
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