Sumwise

Imperial gallons to liters

liters = imperial gallons × 4.54609

Reverse: liters to imperial gallons

How to convert imperial gallons to liters

One imperial gallon is 4.54609 liters, so multiply the number of imperial gallons by 4.54609. For example, 20 imperial gallons is 20 × 4.54609 = 90.9218 liters. To go back, divide by the same number, or multiply by 0.21996925.

Quick estimate

Multiplying by about 4.5 gets within 1.0% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Volume conversions come up in recipes, fuel economy, drink and bottle sizes, garden and pool water, and engine sizes.

imperial gallonsliters
1 impgal4.54609 l
2 impgal9.09218 l
3 impgal13.63827 l
4 impgal18.18436 l
5 impgal22.73045 l
6 impgal27.27654 l
7 impgal31.82263 l
8 impgal36.36872 l
9 impgal40.91481 l
10 impgal45.4609 l
11 impgal50.00699 l
12 impgal54.55308 l
13 impgal59.09917 l
14 impgal63.64526 l
15 impgal68.19135 l
16 impgal72.73744 l
17 impgal77.28353 l
18 impgal81.82962 l
19 impgal86.37571 l
20 impgal90.9218 l
25 impgal113.65225 l
30 impgal136.3827 l
40 impgal181.8436 l
50 impgal227.3045 l
60 impgal272.7654 l
70 impgal318.2263 l
75 impgal340.95675 l
80 impgal363.6872 l
90 impgal409.1481 l
100 impgal454.609 l
120 impgal545.5308 l
150 impgal681.9135 l
200 impgal909.218 l
250 impgal1,136.52 l
300 impgal1,363.83 l
400 impgal1,818.44 l
500 impgal2,273.05 l
750 impgal3,409.57 l
1,000 impgal4,546.09 l
1,500 impgal6,819.14 l
2,000 impgal9,092.18 l
5,000 impgal22,730.45 l
10,000 impgal45,460.9 l

Questions

How many liters are in a imperial gallon?

4.54609 liters.

How do I convert imperial gallons to liters in a spreadsheet?

Put the value in A1 and type =A1*4.54609, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.