Convert gallon (us)s to fluid ounce (us)s
1 gal = 128 fl oz — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 42 volume units
- Cubic kilometers km³ 3.785411784e-12
- Cubic meters m³ 0.003 785 411 784
- Cubic decimeters dm³ 3.785 411 784
- Cubic centimeters cm³ 3785.411 784
- Cubic millimeters mm³ 3 785 411.784
- Kiloliters kL 0.003 785 411 784
- Hectoliters hL 0.037 854 117 84
- Decaliters daL 0.378 541 178 4
- Liters L 3.785 411 784
- Deciliters dL 37.854 117 84
- Centiliters cL 378.541 178 4
- Milliliters mL 3785.411 784
- Microliters µL 3 785 411.784
- Gallon (US)s gal 1
- Quart (US)s qt 4
- Pint (US)s pt 8
- Cup (US customary)s cup 16
- Cup (US legal)s cup 15.772 549 1
- Fluid ounce (US)s fl oz 128
- Tablespoon (US)s tbsp 256
- Teaspoon (US)s tsp 768
- Gill (US)s gi 32
- Minim (US)s min 61 440
- Barrel (oil)s bbl 0.023 809 523 809 5
- Barrel (US liquid)s bbl 0.031 746 031 746
- Bushel (US)s bu 0.107 420 875 922
- Peck (US)s pk 0.429 683 503 688
- Gallon (imperial)s gal (imp) 0.832 674 184 629
- Quart (imperial)s qt (imp) 3.330 696 738 52
- Pint (imperial)s pt (imp) 6.661 393 477 03
- Fluid ounce (imperial)s fl oz (imp) 133.227 869 541
- Tablespoon (imperial)s tbsp (imp) 213.164 591 265
- Teaspoon (imperial)s tsp (imp) 639.493 773 795
- Gill (imperial)s gi (imp) 26.645 573 908 1
- Bushel (imperial)s bu (imp) 0.104 084 273 079
- Cubic inches in³ 231
- Cubic feet ft³ 0.133 680 555 556
- Cubic yards yd³ 0.004 951 131 687 24
- Acre-foots ac·ft 0.000 003 068 883 277 22
- Board foots FBM 1.604 166 666 67
- Cords cd 0.001 044 379 340 28
- Drop (metric)s gt 75 708.235 68
Every row is Gallon (US) (gal) converted through the cubic meter, in exact rational arithmetic.
How to convert gallon (us)s to fluid ounce (us)s
Multiply the number of gallon (us)s by 128 to get fluid ounce (us)s.
The exact factor is 128 .
Gallon (US): The US liquid gallon: 231 in³ exactly. About 17% smaller than the imperial gallon.
Gallon (US) to Fluid ounce (US) conversion table
| Gallon (US)s (gal) | Fluid ounce (US)s (fl oz) |
|---|---|
| 1 gal | 128 |
| 2 gal | 256 |
| 3 gal | 384 |
| 5 gal | 640 |
| 10 gal | 1280 |
| 20 gal | 2560 |
| 25 gal | 3200 |
| 50 gal | 6400 |
| 100 gal | 12 800 |
| 250 gal | 32 000 |
| 500 gal | 64 000 |
| 1000 gal | 128 000 |
Fluid ounce (US) to Gallon (US) conversion table
| Fluid ounce (US)s (fl oz) | Gallon (US)s (gal) |
|---|---|
| 1 fl oz | 0.007 812 5 |
| 2 fl oz | 0.015 625 |
| 3 fl oz | 0.023 437 5 |
| 5 fl oz | 0.039 062 5 |
| 10 fl oz | 0.078 125 |
| 20 fl oz | 0.156 25 |
| 25 fl oz | 0.195 312 5 |
| 50 fl oz | 0.390 625 |
| 100 fl oz | 0.781 25 |
| 250 fl oz | 1.953 125 |
| 500 fl oz | 3.906 25 |
| 1000 fl oz | 7.8125 |
Frequently asked
How many fluid ounce (us)s are in a gallon (us)?
One gallon (us) equals 128 fluid ounce (us)s (gal → fl oz). That figure is exact, not rounded.
How do you convert gallon (us)s to fluid ounce (us)s?
Multiply the number of gallon (us)s by 128 to get fluid ounce (us)s.
What is 1 fl oz in gallon (us)s?
One fluid ounce (us) is 0.0078125 gallon (us)s.
What is 10 gal in fl oz?
10 gal = 1280 fl oz.
What exactly is a gallon (us)?
The US liquid gallon: 231 in³ exactly. About 17% smaller than the imperial gallon.