US Gallons to Litres Converter

Convert gal to L instantly — 1 gal = 3.785411784 L. Free, browser-only tool.

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US Gallons to Litres Converter

This free volume converter converts US Gallons (gal) to Litres (L) and back again. The exact conversion factor is 1 gal = 3.7854 L, so 10 gal equals 37.8541 L.

Type a value in either field — the result updates in real time. The reference table below shows common conversion values at a glance. All calculations run entirely in your browser with no data sent to any server.

US Gallons (gal)Litres (L)
1 gal3.7854 L
5 gal18.9271 L
10 gal37.8541 L
100 gal378.5412 L
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