# Convert 100 gal to m³

So you want to convert 100 gallons into cubic meters? If you're in a rush and just need the answer, the calculator below is all you need. The answer is 0.45460878574278 cubic meters.

## How to convert gallons to cubic meters

We all use different units of measurement every day. Whether you're in a foreign country and need to convert the local imperial units to metric, or you're baking a cake and need to convert to a unit you are more familiar with.

Luckily, converting most units is very, very simple. In this case, all you need to know is that 1 gal is equal to 0.0045460878574278 m³.

Once you know what 1 gal is in cubic meters, you can simply multiply 0.0045460878574278 by the total gallons you want to calculate.

So for our example here we have 100 gallons. So all we do is multiply 100 by 0.0045460878574278:

100 x 0.0045460878574278 = 0.45460878574278

## What is the best conversion unit for 100 gal?

As an added little bonus conversion for you, we can also calculate the best unit of measurement for 100 gal.

What is the "best" unit of measurement? To keep it simple, let's say that the best unit of measure is the one that is the lowest possible without going below 1. The reason for this is that the lowest number generally makes it easier to understand the measurement.

For 100 gal the best unit of measurement is cubic feet, and the amount is 16.054365323589 ft³.