8 US gallons to liters
30.28 L
8 gal = 30.28 L.
liters
30.28L
8 gal = 30.28 L
The short answer
How many liters is 8 US gallons?
8 gal = 30.28 L. 1 US gallon = 3.785412 liters, so the working is 8 × 3.785412 = 30.28.
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 US gallon = 3.785412 liters 8 × 3.785412 = 30.28
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 (L) | Off by |
|---|---|---|
| Whole number | 30 | −0.28329 |
| 1 decimal | 30.3 | +0.01671 |
| 2 decimals | 30.28 | −0.00329 |
Round trip: take 30.28 L back the other way and you land on 7.9991 gal — a drift of 0.0009 gal. That gap is the rounding, not the conversion.
Frequently asked questions
What is 8 US gallons in liters?
8 US gallons is 30.28 liters. 1 US gallon = 3.785412 liters, so the working is 8 × 3.785412 = 30.28.
How accurate is 30.28 L?
Rounding to 30.28 L and converting straight back gives 7.9991 gal, a drift of 0.0009 gal from the 8 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
Gallons to Liters Converter
Convert US gallons to liters — tanks, recipes, and specs sold in liters.
Open the gallons to liters converter →