Length and Area
mtoμm
Convert metres (m) to micrometres (μm).
Factor1 m = 1000000 μm
Converter
m
Accepts numbers or expressions, e.g. 150 + 14.7
Result
μm
Rendered to 6 significant figures.
Formula
Formula
μm = m × 1000000
Multiply any value in metres by 1000000 to obtain the value in micrometres.
Worked example
Convert 1 m to μm.
- 01Start with 1 m.
- 02Multiply by the conversion factor: 1 × 1000000 = 1.00000e+6 μm.
Result1 m = 1.00000e+6 μm
Conversion table
| m | μm |
|---|---|
| 1 | 1.0000e+6 |
| 2 | 2.0000e+6 |
| 5 | 5.0000e+6 |
| 10 | 1e+7 |
| 20 | 2e+7 |
| 50 | 5e+7 |
| 100 | 1e+8 |
| 200 | 2e+8 |
| 500 | 5e+8 |
| 1000 | 1e+9 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from m to μm?
1 m equals 1000000 μm. To convert, multiply the value in metres by 1000000.
How do I convert 1 m to μm?
1 m = 1.00000e+6 μm. For any value, multiply by 1000000.
How do I convert μm back to m?
Divide by the same factor — or equivalently, multiply by 1e-6. So 1 μm = 1e-6 m.
When would I need to convert metre to micrometre?
Length conversions appear in piping, layout, and mechanical drawings — particularly when reconciling imperial fittings or instrument lengths with metric plant drawings.
Is the conversion exact?
Yes. Both m and μm are defined by exact SI relationships, so the displayed factor is exact (any rounding shown is only for display).