1 Gallons to Cups
1 gal = 16 cups
1 US gallon equals 16 US cups.
How to convert 1 gal to cups
Use the formula cups = gal × 16:
cups = 1 × 16cups = 16
So 1 gal = 16 cups.
Rounded values and quick estimate
- Rounded to a whole number: 16 cups
- Rounded to one decimal place: 16 cups
- Conversion factor: 1 US gallon = 16 US cups
This conversion is exact, so there is no need to estimate: just multiply by 16.
1 Gallons in other units
- US cups
- 16 cups
- Milliliters
- 3785.41 ml
- Liters
- 3.79 L
- Teaspoons
- 768 tsp
- Tablespoons
- 256 tbsp
- US fluid ounces
- 128 fl oz
- US pints
- 8 pt
- US quarts
- 4 qt
- Cubic centimeters
- 3785.41 cc
- Cubic inches
- 231 cu in
- Cubic feet
- 0.1337 cu ft
- Drops
- 75708.24 drops
- Oil barrels
- 0.0238 bbl
- UK gallons
- 0.8327 UK gal
- Cubic meters
- 0.003785 m³
- Cubic yards
- 0.004951 cu yd
1 gal and nearby values
About us gallons and us cups
A US gallon is 128 US fluid ounces, exactly 3.785411784 liters. (The UK imperial gallon is 4.546 liters.)
A US customary cup is 8 US fluid ounces, about 236.6 ml. Nutrition labels use a rounded 240 ml cup; metric cups are 250 ml.
Related conversions
Frequently asked questions
What is 1 Gallons in Cups?
1 US gallon is 16 US cups (1 gal = 16 cups).
How do you convert 1 gal to cups?
Apply cups = gal × 16: cups = 1 × 16, cups = 16.
How many US gallons is 16 cups?
16 cups is about 1 US gallon.