Millimeters to Inches Conversion Chart
Quick Answer
1 mm = 0.0393701 in
Formula: Inch = Millimeter x 0.0393701
Quick values
What is millimeter?
A millimeter (mm) is one-thousandth of a meter, the SI base unit of length. It is used for small, precise measurements and converts directly to inches.
Formulain = mm ÷ 25.4
Key conversions
- 1 inch = 25.4 mm (exact)
- 1 mm ≈ 0.0393701 inches
- 10 mm = 1 centimeter (cm)
- 1,000 mm = 1 meter (m)
Standards, method, and review
Values are calculated from the shared conversion-factor library. Exact defined relationships are preserved; displayed results are rounded only for readability.
Reviewed by All Unit Conversions Editorial Team. Updated .
Millimeters to Inches Conversion Table
| Millimeter (mm) | Inch (in) |
|---|---|
| 1 mm | 0.0393701 in |
| 2 mm | 0.0787402 in |
| 3 mm | 0.11811 in |
| 4 mm | 0.15748 in |
| 5 mm | 0.19685 in |
| 6 mm | 0.23622 in |
| 7 mm | 0.275591 in |
| 8 mm | 0.314961 in |
| 9 mm | 0.354331 in |
| 10 mm | 0.393701 in |
| 15 mm | 0.590551 in |
| 20 mm | 0.787402 in |
| 25 mm | 0.984252 in |
| 50 mm | 1.9685 in |
| 100 mm | 3.93701 in |
| 150 mm | 5.90551 in |
| 200 mm | 7.87402 in |
| 250 mm | 9.84252 in |
| 500 mm | 19.685 in |
| 1000 mm | 39.3701 in |
Values are calculated from the shared conversion-factor library. Exact defined relationships are preserved; displayed results are rounded only for readability.
Related Converters & Charts
Millimeters to Inches Conversion Chart FAQs
Common questions about the millimeters to inches conversion chart.
How do you convert millimeter to inch?
Multiply the number of millimeter by 0.0393701. For example, 1 mm = 0.0393701 in. The chart above lists the most common values.
What is 1 mm in inch?
1 mm equals 0.0393701 in. See the full reference table above for more values, or download the printable PDF.
Can I download this chart as a PDF, CSV, or JSON?
Yes. Use the "Download Conversion Chart (PDF)" button for a printable version, or grab the machine-readable CSV/JSON conversion-factor dataset linked on this page.