swap_horiz Need gallons to cups instead?

5 Cups to Gallons

5 cups equals 0.3125 gallons using the cup to gal formula. Scroll down for the full calculation.

5 cup = 0.3125 gal
cup ÷ 16 = gal
Try: 4 cup to gal 6 cup to gal 10 cup to gal
5 cup is also
5 cup = 1.18 L 5 cup = 1,182.94 mL 5 cup = 40 fl oz 5 cup = 2.5 pt 5 cup = 1.25 qt 5 cup = 80 tbsp 5 cup = 240 tsp
cup
0.3125 gal

How to Convert Cups to Gallons

cup ÷ 16 = gal
  1. Start with 5 cup
  2. Divide by 16: 5 ÷ 16 = 0.3125
  3. Result: 5 cup = 0.3125 gal

The same formula works for any value. Multiply by 0.0625 to go from cups to gallons.

Common Cup to Gallon Conversions

Cups (cup) Gallons (gal)
1 cup 0.0625 gal
2 cup 0.125 gal
5 cup 0.3125 gal
10 cup 0.625 gal
15 cup 0.9375 gal
20 cup 1.25 gal
25 cup 1.56 gal
50 cup 3.13 gal
75 cup 4.69 gal
100 cup 6.25 gal
250 cup 15.63 gal
500 cup 31.25 gal
1,000 cup 62.5 gal
calculate Cup to Gallon Converter swap_horiz Gallon to Cup Converter functions Cup to Gallon Formula water_drop All Volume / Capacity Conversions

Frequently Asked Questions

5 cups equals 0.3125 gallons.
The formula is: cup ÷ 16 = gal. See the cup to gal formula page for worked examples.
Use the gallons to cups converter. The reverse formula is: gal × 16 = cup.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (cup ÷ 16 = gal) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026