ExactConverter

Volume conversion

42 gal to L

158.987 L

42 US gallons = 158.987 litres. Exact factor: L = gal × 3.785411784.

Live converter

Edit either field — the other updates instantly. Type decimal values like 38.4.

The formula

L = gal × 3.785411784

Worked example: 42 × 3.785411784 = 158.987 L.

Values near 42 gal

gal L
39 147.631
40 151.416
41 155.202
42this page 158.987
43 162.773
44 166.558
45 170.344

Frequently asked

How do you convert US gallons to litres?

Apply the formula L = gal × 3.785411784. Enter any value in the live converter above and the result updates as you type.

What is 42 gal in L?

42 gal equals 158.987 L. The reference table below shows the values immediately around 42 gal.

Is this conversion exact?

Yes. The US gallon is defined as exactly 231 cubic inches. The imperial gallon is 4.546 L, so UK fuel economy figures are not comparable.