## Conversion formula

The conversion factor from fluid ounces to gallons is 0.0078125, which means that 1 fluid ounce is equal to 0.0078125 gallons:

1 fl oz = 0.0078125 gal

To convert 171.7 fluid ounces into gallons we have to multiply 171.7 by the conversion factor in order to get the volume amount from fluid ounces to gallons. We can also form a simple proportion to calculate the result:

1 fl oz → 0.0078125 gal

171.7 fl oz → V(gal)

Solve the above proportion to obtain the volume V in gallons:

V(gal) = 171.7 fl oz × 0.0078125 gal

V(gal) = 1.34140625 gal

The final result is:

171.7 fl oz → 1.34140625 gal

We conclude that 171.7 fluid ounces is equivalent to 1.34140625 gallons:

171.7 fluid ounces = 1.34140625 gallons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.74548631333722 × 171.7 fluid ounces.

Another way is saying that 171.7 fluid ounces is equal to 1 ÷ 0.74548631333722 gallons.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred seventy-one point seven fluid ounces is approximately one point three four one gallons:

171.7 fl oz ≅ 1.341 gal

An alternative is also that one gallon is approximately zero point seven four five times one hundred seventy-one point seven fluid ounces.

## Conversion table

### fluid ounces to gallons chart

For quick reference purposes, below is the conversion table you can use to convert from fluid ounces to gallons

fluid ounces (fl oz) gallons (gal)
172.7 fluid ounces 1.349 gallons
173.7 fluid ounces 1.357 gallons
174.7 fluid ounces 1.365 gallons
175.7 fluid ounces 1.373 gallons
176.7 fluid ounces 1.38 gallons
177.7 fluid ounces 1.388 gallons
178.7 fluid ounces 1.396 gallons
179.7 fluid ounces 1.404 gallons
180.7 fluid ounces 1.412 gallons
181.7 fluid ounces 1.42 gallons