420 US tablespoons in dry gallons

Conversion formula
How to convert 420 US tablespoons to dry gallons?

We know (by definition) that: $1\mathrm{ustablespoon}\approx 0.00335690237255978\mathrm{drygallon}$

We can set up a proportion to solve for the number of dry gallons.

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

Conclusion: 420 ⁢ ustablespoon ≈ 1.4098989964751076 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.709270665842094 times 420 US tablespoons.

It can also be expressed as: 420 US tablespoons is equal to $\frac{1}{\mathrm{0.709270665842094}}$ dry gallons.

Approximation

An approximate numerical result would be: four hundred and twenty US tablespoons is about one point four zero dry gallons, or alternatively, a dry gallon is about zero point seven one times four hundred and twenty US tablespoons.