# Convert 1000 in to mm

So you want to convert 1000 inches into millimeters? If you're in a rush and just need the answer, the calculator below is all you need. The answer is 25400 millimeters.

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## How to convert inches to millimeters

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 in is equal to 25.4 mm.

Once you know what 1 in is in millimeters, you can simply multiply 25.4 by the total inches you want to calculate.

So for our example here we have 1000 inches. So all we do is multiply 1000 by 25.4:

1000 x 25.4 = 25400

## What is the best conversion unit for 1000 in?

As an added little bonus conversion for you, we can also calculate the best unit of measurement for 1000 in.

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 1000 in the best unit of measurement is fathoms, and the amount is 13.888888888889 fm.