678 imperial gallons in US customary teaspoons

Conversion formula
How to convert 678 imperial gallons to US customary teaspoons?

We know (by definition) that: $1\mathrm{imperialgallon}\approx 922.329542787729\mathrm{usteaspoon}$

We can set up a proportion to solve for the number of US customary teaspoons.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 678 ⁢ imperialgallon ≈ 625339.4300100802 ⁢ usteaspoon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary teaspoon is equal to 1.59913153082939e-06 times 678 imperial gallons.

It can also be expressed as: 678 imperial gallons is equal to $\frac{1}{\mathrm{1.59913153082939e-06}}$ US customary teaspoons.

Approximation

An approximate numerical result would be: six hundred and seventy-eight imperial gallons is about six hundred and twenty-five thousand, three hundred and thirty-nine point four three US customary teaspoons, or alternatively, a US customary teaspoon is about zero times six hundred and seventy-eight imperial gallons.