[질문] 1mm는 몇 um입니까?

1 mm = 1000 μm (마이크로미터)
근거:

• https://convertlive.com/ko/u/변환/마이크로미터/받는-사람/밀리미터
• https://convert.app/ko/length/millimeter-to-micrometer/
• https://www.metric-conversions.org/ko/length/micrometers-to-millimeters.htm