Some countries use metric units while others use imperial to define length and distance. In a globalized world, it's important you know how to convert between them, and fast.
Want a secret weapon you can use to get the job done right every time? Try our mm to inches calculator. It works with more than 60 length units and provides results up to six decimal places.
If you are wondering how many inches are in one mm, the answer is 0.039370. To easily convert your millimeters to inches you can divide your starting number by 25.4.
In the guide below, we're going to teach you how to convert from mm to inches and inches to mm. We'll also answer some common questions about the origins of both measuring systems.