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⚡ Imperial Gallons to US Legal Cups: the quick answer
1 gal-uk = 18.942 legal cup
1 imperial gallon equals 18.942 US legal cups
To convert imperial gallons to US legal cups, multiply the value by 18.942.
To go the other way, multiply US legal cups by 0.0527926 to get imperial gallons.
↔ Convert US legal cups to imperial gallons instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per imperial gallon) ÷ (cubic meters per US legal cup (nutrition labels)).
📊 Imperial Gallons to US Legal Cups conversion table
✏️ Worked examples
Convert 25 imperial gallons to US legal cups
25 gal-uk × 18.942 = 473.551 legal cup
Try this example →
Convert 250 imperial gallons to US legal cups
250 gal-uk × 18.942 = 4,735.51 legal cup
Try this example →
📘 About these units
Imperial gallon (gal-uk). The imperial gallon is exactly 4.54609 liters, used in the UK and in some Commonwealth countries.
US legal cup (nutrition labels) (legal cup). The US 'legal' cup used on nutrition labels is exactly 240 mL.
❓ Frequently asked questions
How many US legal cups are in one imperial gallon?
There are 18.942 US legal cups in one imperial gallon.
How do I convert imperial gallons to US legal cups?
Multiply the number of imperial gallons by 18.942. For example, 10 imperial gallons equal 189.42 US legal cups.
How many imperial gallons are in one US legal cup (nutrition labels)?
One US legal cup (nutrition labels) equals 0.0527926 imperial gallons.
🔗 More volume conversions
All volume units →