Gallon (US) to Fluid ounce (US)

1 gal = 128 fl oz

One gallon (us) equals 128 us fluid ounces, and one fluid ounce (us) equals 0.007813 us gallons.

Gallon (US) to Fluid ounce (US) formula

fl oz = gal × 128

To convert us gallons to us fluid ounces, multiply the value by 128. One gallon (us) equals 128 us fluid ounces.

Step-by-step examples

Convert 1 us gallons to us fluid ounces

  1. 1Start with the value in us gallons: 1 gal.
  2. 2Multiply by the conversion factor 128.
  3. 31 × 128 = 128 fl oz.

Result: 1 gal = 128 fl oz

Convert 10 us gallons to us fluid ounces

  1. 1Start with the value in us gallons: 10 gal.
  2. 2Multiply by the conversion factor 128.
  3. 310 × 128 = 1,280 fl oz.

Result: 10 gal = 1,280 fl oz

Convert 100 us gallons to us fluid ounces

  1. 1Start with the value in us gallons: 100 gal.
  2. 2Multiply by the conversion factor 128.
  3. 3100 × 128 = 12,800 fl oz.

Result: 100 gal = 12,800 fl oz

Gallon (US) to Fluid ounce (US) conversion table

Gallon (US) (gal)Fluid ounce (US) (fl oz)
0.011.28
0.112.8
0.564
1128
2256
3384
4512
5640
101,280
202,560
253,200
506,400
10012,800
25032,000
50064,000
1000128,000

Gallon (US) to Fluid ounce (US) chart

03206409601.28e+30 gal10 gal

gal (horizontal) vs fl oz (vertical)

Batch convert — paste multiple values
Reverse: Fluid ounce (US) to Gallon (US)

Frequently asked questions

How many us fluid ounces are in a gallon (us)?

There are 128 us fluid ounces in one gallon (us) (1 gal = 128 fl oz).

How do you convert us gallons to us fluid ounces?

To convert us gallons to us fluid ounces, multiply the value by 128. One gallon (us) equals 128 us fluid ounces.

What is 10 us gallons in us fluid ounces?

10 us gallons equals 1,280 us fluid ounces.

How many us gallons are in a fluid ounce (us)?

One fluid ounce (us) equals 0.007813 us gallons (1 fl oz = 0.007813 gal).