conversions
Cups to Gallons
Last updated: June 13, 2026
Written by Blake Boege
A volume conversion calculator designed to convert US cups (c) to US liquid gallons (gal). Based on standard US kitchen measurements, 16 cups make up exactly one standard gallon.
Convert cups to gallons instantly. Read the conversion answers, the mathematical formula, and browse the reference lookup table.
Quick Answer
Convert cups to gallons. There are exactly 16 US cups in 1 US gallon.
Cups to Gallons
Bidirectional Cups (c) and Gallons (gal) Converter
Compute exact conversions between cups (c) and gallons (gal).
Bidirectional live updates. Enter a number in either field to convert instantly.
Answer
1 gal
16 c = 1 gal
Cups to Gallons Reference Table
| Cups (c) | Gallons (gal) | Description |
|---|---|---|
| 1 c | 0.0625 gal | One standard cup |
| 2 c | 0.1250 gal | Two cups / one pint |
| 4 c | 0.2500 gal | Four cups / one quart |
| 8 c | 0.5000 gal | Eight cups / half a gallon |
| 16 c | 1.0000 gal | Exactly one gallon |
| 32 c | 2.0000 gal | Exactly two gallons |
Examples
16 c
1 gal
How it works
To convert cups (c) to gallons (gal), perform the following calculation:
Formula
gal = c ÷ 16
Method
Divide the number of cups by 16 to find the equivalent volume in gallons.
Understanding Cups to Gallons Conversions
Cups are a small volume unit common in cooking and baking, while gallons are a larger bulk measure. In US customary systems, one liquid gallon contains exactly 16 standard cups. This conversion is crucial when preparing large batches of food, checking milk volumes, or translating kitchen recipes into bulk sizes.
Related Conversion & Volume Calculators
Explore other related conversion calculators:
Related Calculators
More tools from Conversions
Frequently asked questions
Divide the number of cups by 16.
There are exactly 16 standard US cups in one US liquid gallon.
Divide the cups by 16 (e.g. 8 cups ÷ 16 = 0.5 gallons).
Related calculators
Conversions
How Many Ounces in a Gallon
Find out exactly how many fluid ounces are in a gallon. Use our quick converter to switch between gallons and ounces using either US customary or Imperial measurements.
Conversions
How Many Seconds in a Day
Calculate exact time intervals. Convert between days, hours, minutes, and seconds instantly, and learn the math behind standard calendar day calculations.
Conversions
How Many Quarts in a Gallon
Learn the relationship between quarts and gallons. Convert gallons to quarts and vice versa, and explore the volume differences between US and Imperial liquid systems.