Conversion formula

The conversion factor from pints to gallons is 0.125, which means that 1 pint is equal to 0.125 gallons:

1 pt = 0.125 gal

To convert 646.5 pints into gallons we have to multiply 646.5 by the conversion factor in order to get the volume amount from pints to gallons. We can also form a simple proportion to calculate the result:

1 pt → 0.125 gal

646.5 pt → V_(gal)

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

V_(gal) = 646.5 pt × 0.125 gal

V_(gal) = 80.8125 gal

The final result is:

646.5 pt → 80.8125 gal

We conclude that 646.5 pints is equivalent to 80.8125 gallons:

646.5 pints = 80.8125 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.012374323279196 × 646.5 pints.

Another way is saying that 646.5 pints is equal to 1 ÷ 0.012374323279196 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred forty-six point five pints is approximately eighty point eight one three gallons:

646.5 pt ≅ 80.813 gal

An alternative is also that one gallon is approximately zero point zero one two times six hundred forty-six point five pints.

Conversion table

pints to gallons chart

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