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⚡ US Gallons to Metric Cups: the quick answer
1 gal = 15.1416 cup (m)
1 US gallon equals 15.1416 metric cups
To convert US gallons to metric cups, multiply the value by 15.1416.
To go the other way, multiply metric cups by 0.066043 to get US gallons.
↔ Convert metric cups to US gallons instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per US gallon) ÷ (cubic meters per metric cup).
📊 US Gallons to Metric Cups conversion table
✏️ Worked examples
Convert 25 US gallons to metric cups
25 gal × 15.1416 = 378.541 cup (m)
Try this example →
Convert 250 US gallons to metric cups
250 gal × 15.1416 = 3,785.41 cup (m)
Try this example →
📘 About these units
US gallon (gal). The US liquid gallon is 231 cubic inches, exactly 3.785411784 liters.
Metric cup (cup (m)). The metric cup is 250 mL, used in Australia, New Zealand, South Africa, Canada and the UK.
❓ Frequently asked questions
How many metric cups are in one US gallon?
There are 15.1416 metric cups in one US gallon.
How do I convert US gallons to metric cups?
Multiply the number of US gallons by 15.1416. For example, 10 US gallons equal 151.416 metric cups.
How many US gallons are in one metric cup?
One metric cup equals 0.066043 US gallons.
🔗 More volume conversions
All volume units →