FTCE General Knowledge Math Practice Test 2026 - Free Practice Questions and Study Guide

To find out how many millimeters are in 1/1000 meter, it's important to understand the basic metric conversions. One meter is equal to 1000 millimeters. Therefore, when you divide 1 meter into 1000 parts, each part represents 1 millimeter.

When calculating for 1/1000 of a meter, we see that this fraction directly translates to 1 millimeter. Thus, 1/1000 meter is equivalent to 1 mm, making the correct choice 1 mm.

This means that the answer choice you provided does not accurately reflect the conversion between meters and millimeters.