Inches, centimeters & millimeters
Convert frame, artwork and mat dimensions with exact unit factors.
Choose your measurements and calculate to see the result.
A visual size estimate. Verify the actual artwork, frame, mat, glazing, hardware, wall and manufacturer specifications before buying or arranging a display. Dimensions alone do not guarantee fit.
One inch is exactly 25.4 millimeters.
To convert inches to centimeters, multiply by 2.54. To convert centimeters to inches, divide by 2.54. The factor is exact; the measurement you start with and the displayed rounding may not be.
| Inches | Centimeters | Millimeters |
|---|---|---|
| 0.125 | 0.3175 | 3.175 |
| 0.25 | 0.635 | 6.35 |
| 0.5 | 1.27 | 12.7 |
| 1 | 2.54 | 25.4 |
| 5 | 12.7 | 127 |
| 8 | 20.32 | 203.2 |
| 10 | 25.4 | 254 |
| 11 | 27.94 | 279.4 |
| 14 | 35.56 | 355.6 |
| 16 | 40.64 | 406.4 |
| 20 | 50.8 | 508 |
| 24 | 60.96 | 609.6 |
| 36 | 91.44 | 914.4 |
Nominal metric sizes are not inch equivalents
A 20 × 25 cm product is 200 × 250 mm. An 8 × 10 inch sheet is 203.2 × 254 mm. They are close in description but differ by 3.2 mm and 4 mm. Do not assume they are interchangeable.
See A-series paper and frame dimensions for exact metric reference sizes.