138 US gallons in imperial quarts
Result
The conversion result is: 138 US gallons is equivalent to 459.636149915202 imperial quarts.[1]
Conversion formula
How to convert 138 US gallons to imperial quarts?
We know (by definition) that: 1 usgallon ≈ 3.33069673851596 imperialquart.
We can set up a proportion to solve for the number of imperial quarts.
1 usgallon / 138 usgallon ≈ 3.33069673851596 imperialquart / x imperialquart
Now, we cross multiply to solve for our unknown x:
x imperialquart ≈ (138 usgallon / 1 usgallon) * 3.33069673851596 imperialquart → x imperialquart ≈ 459.6361499152025 imperialquart
Conclusion:
138 usgallon ≈ 459.6361499152025 imperialquart
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Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial quart is equal to 0.00217563392301604 times 138 US gallons.
It can also be expressed as: 138 US gallons is equal to 1 / 0.00217563392301604 imperial quarts.
Approximation
An approximate numerical result would be: one hundred and thirty-eight US gallons is about four hundred and fifty-nine point six three imperial quarts, or alternatively, a imperial quart is about zero times one hundred and thirty-eight US gallons.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.