Inches to Meters Converter
1 international inch = 0.0254 meter.
Conversion result
Meters = inches × 0.0254; inches = meters ÷ 0.0254.
Primary source: NIST SP 811, Appendix B.8 conversion factors. Exact underlying definitions are used before display rounding. NIST international foot definition confirms 0.3048 meter exactly. NIST SP 811 footnotes supplies the international nautical mile definition.
Worked example: 12 inches × 0.0254 = 0.3048 meter; 40 inches = 1.016 meters.
Common conversion values
The table follows the selected direction. Results display up to 12 significant digits.
| international inches | meters |
|---|---|
| 0.5 | 0.0127 |
| 1 | 0.0254 |
| 12 | 0.3048 |
| 24 | 0.6096 |
| 40 | 1.016 |
The international inch is exactly 2.54 centimeters, or 0.0254 meter. Fractions such as 1/2 and mixed fractions such as 1 1/2 work directly. This page converts length, so it does not apply the factor for square inches or cubic inches.
How to use this tool
Enter a quantity in international inches, choose the forward or reverse direction, and select Convert. Decimals, fractions such as 1/2, and mixed fractions such as 1 1/2 are supported.
Frequently asked questions
What factor does this converter use?
1 international inch = 0.0254 meter. Meters = inches × 0.0254; inches = meters ÷ 0.0254.
Can I reverse the conversion or use fractions?
Yes. Choose the reverse direction on this page. Enter nonnegative decimals, fractions or mixed fractions. Quantities and fraction components are limited to 10¹²; denominators must be positive. Decimal inputs permit up to 24 digits and effective exponents ±24.
Is this converter free and private?
Yes. Calculations run on your device, with no uploads, sign-up or browser storage.