ucUnitCloudInternational unit matrix

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US gallon en Litre

Volume is robust for liquids. For dry ingredients it does not replace weighing because density and packing vary.

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Convertir des unités avec formule, contexte et précision

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De1 gal
Résultat3,78541178 l
Factor1 gal = 3,785411784 l
Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

011 gal = 3,78541178 l

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Erreur fréquente

Volume is robust for liquids. For dry ingredients it does not replace weighing because density and packing vary.

03Unité de base: l

1 US gal = 3.785411784 l. Then the value is converted through the base unit l into Litre.

Tableau

US gallonLitre
13,78541178
518,92705892
1037,85411784

Formule

1 US gal = 3.785411784 l. Then the value is converted through the base unit l into Litre.

Sources

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix BNIST conversion-factor method and non-SI factors.

Conversions liées

Litre en US gallonl → galVolumeMillilitre en Cupml → cupVolumeCup en Millilitrecup → mlVolume

Search and practice paths

Search and practice paths

FormuleTableauExamplesErreur fréquenteEveryday/engineeringExcel/CSVConvertisseur par lotPrint view
mlKitchen, cups, millilitres and recipe values
Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources current as of May 2026. Volume. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for US gallon en Litre?

1 gal = 3,785411784 l

Which formula does US gallon en Litre use?

1 US gal = 3.785411784 l. Then the value is converted through the base unit l into Litre.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.