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Conversions Tool

Volume & Liquid Converter

Convert liters, milliliters, cups, fluid ounces, gallons (US & Imperial).

Last reviewed by the myCalculator Editorial Team

Input Parameters

Calculation Results

Converted (Gallons (US gal))
0.264172gal_us
Milliliters (mL)
1000ml
Liters (L)
1l
Cubic Meters (m³)
0.001m3
Teaspoons (tsp)
202.884202tsp
Tablespoons (tbsp)
67.627884tbsp
Fluid Ounces (fl oz)
33.814057floz
Cups
4cup
Pints (pt)
2.113379pt
Gallons (UK/Imperial gal)
0.219969gal_imp
Summary: 1 Liters (L) = 0.264172 Gallons (US gal)
Step-by-Step Calculation Solution
1.Base conversion (L): 1 × 1 = 1 L
2.Target conversion (gal_us): 1 / 3.78541 = 0.264172 gal_us

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Formula & How Volume & Liquid Converter Works

Mathematical Formula
1 US Gallon = 3.78541 Liters

Volume conversions depend on which gallon you mean. A US gallon is 3.78541 L, while an imperial gallon, used in the UK and historically in Australia, is 4.54609 L. So 50 L is 13.2 US gallons or 11.0 imperial gallons. One litre equals 1,000 mL and 1,000 cm³, and one cubic metre is 1,000 L. A US fluid ounce is 29.57 mL and an imperial fluid ounce is 28.41 mL. Cooking cups also differ: an Australian metric cup is 250 mL while a US cup is about 237 mL. Always check which unit system a recipe, fuel figure or specification is using before you convert.

How to Calculate Volume & Liquid Converter (Step-by-Step)
  1. Enter Volume Value: Input your target parameter value.
  2. Enter From Unit: Input your target parameter value.
  3. Enter To Unit: Input your target parameter value.
  4. Apply Formula: Calculate using 1 US Gallon = 3.78541 Liters.
  5. Review Results: View exact computed answers, metrics, and worked mathematical proofs.
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Frequently Asked Questions (FAQs)

How many mL in a cup?

1 metric cup is 250 mL (US cup is approx 236.6 mL).

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Official Regulatory & Government Data Sources

Authoritative Standards & Verified Reference Citations

Independent & Verified

Calculations and mathematical logic on this page are grounded in published statutory rules, regulatory standards, and official government data published by the following bodies:

Australian Government Data Portal (data.gov.au)Government
Commonwealth of Australia

Open government data, scientific datums, and public sector mathematical reference datasets.

data.gov.au
National Measurement Institute (NMI)Government
Australian Department of Industry, Science and Resources

Australia's national authority on physical, chemical, and biological metric measurement standards.

www.industry.gov.au/national-measurement-institute
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