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100 US gallons to US cups

100 gal = 1600 cup (US gallon → US cup)

100 gal = 1600 cup

100 US gallons (gal) equals 1600 US cups (cup). The conversion uses the exact factor 16: 100 × 16 = 1600.

1600
FormulaUS cups = US gallons × 16
Quick

100 gal in context

How 100 US gallons compares to its arithmetic neighbours, converted to US cups.

RelationUS gallonsUS cups
÷1010 gal160 cup
÷2 (half)50 gal800 cup
×1 (this value)100 gal1600 cup
×2 (double)200 gal3200 cup
×5500 gal8000 cup
×101000 gal16000 cup

When to use US gallons → US cups

US gallons to cups multiplies by 16 — 1 US gallon = 4 quarts = 8 pints = 16 cups. A half gallon of milk is 8 cups; a gallon of stock is 16 cups. The doubling ladder (cup → pint → quart → gallon) makes US liquid scaling tidy once memorised. This is the customary cup (236.6 mL); the gallon itself is exactly 3.785411784 L, so a US gallon is 16 customary cups but about 15.77 metric cups.

Large-batch meal preppers and school cafeteria kitchens scaling a recipe written per gallon of soup or beverage base convert to cups for individual serving counts. 1 gal is 16 cups; 3 gal (a standard stockpot batch) is 48 cups; 0.5 gal is 8 cups. Because the US gallon-to-cup ratio is a clean whole number, catering software leans on it heavily for portion planning — a gallon of soup reliably serves 16 one-cup bowls before considering ladling loss.

How to convert US gallons to US cups

  1. Take your value

    Start with your value in US gallons.

  2. Multiply by 16

    Multiply the US gallon value by 16. This is the exact conversion factor from US gallons to US cups.

  3. Read the result

    The product is your value in US cups. For example, 5 gal × 16 = 80 cup.

Conversion formula

The exact factor from US gallons to US cups is 16.

US cups = US gallons × 16

US gallons to US cups conversion table

Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.

Conversion table from US gallons to US cups
US gallons (gal)US cups (cup)
0.1 gal1.6 cup
0.25 gal4 cup
0.5 gal8 cup
1 gal16 cup
1.5 gal24 cup
2 gal32 cup
2.5 gal40 cup
3 gal48 cup
4 gal64 cup
5 gal80 cup
6 gal96 cup
7 gal112 cup
8 gal128 cup
9 gal144 cup
10 gal160 cup
12 gal192 cup
15 gal240 cup
20 gal320 cup
25 gal400 cup
30 gal480 cup
40 gal640 cup
50 gal800 cup
60 gal960 cup
75 gal1200 cup
100 gal1600 cup
125 gal2000 cup
150 gal2400 cup
200 gal3200 cup
250 gal4000 cup
300 gal4800 cup
400 gal6400 cup
500 gal8000 cup
600 gal9600 cup
750 gal12000 cup
1000 gal16000 cup
1500 gal24000 cup
2000 gal32000 cup
2500 gal40000 cup
3000 gal48000 cup
4000 gal64000 cup
5000 gal80000 cup
7500 gal120000 cup
10000 gal160000 cup
15000 gal240000 cup
20000 gal320000 cup
25000 gal400000 cup
30000 gal480000 cup
40000 gal640000 cup
50000 gal800000 cup
100000 gal1600000 cup

Real-world reference

A standard US milk jug holds 1 gal. An average car's fuel tank is 12–16 gal. In US cups, that gives you: 1 gal = 16 cup, 10 gal = 160 cup, 100 gal = 1600 cup.

Frequently asked questions

What is 100 US gallons in US cups?
100 US gallons equals 1600 US cups.
What is half of 100 gal in US cups?
Half of 100 gal is 50 gal, which equals 800 US cups.
What is 200 gal (double 100) in US cups?
200 gal equals 3200 US cups — exactly twice the 1600 US cups you get from 100 gal, since the conversion is linear.
Is 100 gal a lot in US cups?
100 gal converts to 1600 US cups. That's over a whole US cup.
How is 100 gal to cup calculated?
100 gal × 16 (the exact US gallon-to-US cup factor) = 1600 cup.

About the US gallon and the US cup

The US gallon

The US liquid gallon equals exactly 3.785411784 liters, defined as 231 cubic inches. It is the standard fuel and milk unit in the United States. The US gallon is about 16.7% smaller than the UK (imperial) gallon (4.54609 L), so quoting fuel economy as 'mpg' without specifying the gallon can mislead by a wide margin.

The US cup

The US legal cup, as used in nutrition labels, equals exactly 240 mL; the US customary cup, used in recipes, equals 236.5882365 mL (half a US liquid pint, or 8 US fluid ounces). Convertitive uses the customary value, which matches how most US cookbooks specify quantities. UK and Australian metric cups are 250 mL — yet another small but consequential difference.

Related converters

US cups to US gallons
cup → gal
Milliliters to Liters
mL → L
Milliliters to US gallons
mL → gal
Milliliters to US fluid ounces
mL → fl oz
Milliliters to US cups
mL → cup
Milliliters to US pints
mL → pt

./pro

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