Conversion formula

The conversion factor from gallons to quarts is 4, which means that 1 gallon is equal to 4 quarts:

1 gal = 4 qt

To convert 400 gallons into quarts we have to multiply 400 by the conversion factor in order to get the volume amount from gallons to quarts. We can also form a simple proportion to calculate the result:

1 gal → 4 qt

400 gal → V_(qt)

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

V_(qt) = 400 gal × 4 qt

V_(qt) = 1600 qt

The final result is:

400 gal → 1600 qt

We conclude that 400 gallons is equivalent to 1600 quarts:

400 gallons = 1600 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.000625 × 400 gallons.

Another way is saying that 400 gallons is equal to 1 ÷ 0.000625 quarts.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred gallons is approximately one thousand six hundred quarts:

400 gal ≅ 1600 qt

An alternative is also that one quart is approximately zero point zero zero one times four hundred gallons.

Conversion table

gallons to quarts chart

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