Also available in our
Android app, with charts and full breakdown tables.
Rate this calculator
Was it useful? A quick star rating helps others — and you can leave a comment too.
Rate it:
★
★
★
★
★
⚡ Imperial Gallons to US Cups: the quick answer
1 gal-uk = 19.2152 cup
1 imperial gallon equals 19.2152 US cups
To convert imperial gallons to US cups, multiply the value by 19.2152.
To go the other way, multiply US cups by 0.0520421 to get imperial gallons.
↔ Convert US 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 cup).
📊 Imperial Gallons to US Cups conversion table
✏️ Worked examples
Convert 25 imperial gallons to US cups
25 gal-uk × 19.2152 = 480.38 cup
Try this example →
Convert 250 imperial gallons to US cups
250 gal-uk × 19.2152 = 4,803.8 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 cup (cup). A US customary cup is 8 fluid ounces (236.588 mL).
❓ Frequently asked questions
How many US cups are in one imperial gallon?
There are 19.2152 US cups in one imperial gallon.
How do I convert imperial gallons to US cups?
Multiply the number of imperial gallons by 19.2152. For example, 10 imperial gallons equal 192.152 US cups.
How many imperial gallons are in one US cup?
One US cup equals 0.0520421 imperial gallons.
🔗 More volume conversions
All volume units →