Sarraf  Loading... Please wait...

Convert mm to Inches



Use the chart and image below to convert mm to inches and approximate lengths.
mm Inches Inches     mm Inches Inches
1 0.04 1/32 inch     26 1.02 1 and 1/32 inch
2 0.08 1/16 inch     27 1.06 1 and 1/16 inch
3 0.12 3/32 inch     28 1.10 1 and 3/32 inch
4 0.16 1/8 inch     29 1.14 1 and1/8 inch
5 0.20 3/16 inch     30 1.18 1 and 3/16 inch
6 0.24 Just under 1/4 inch     31 1.22 Just under 1 and 1/4 inch
7 0.28 Just over 1/4 inch     32 1.26 Just over 1 and 1/4 inch
8 0.31 5/16 inch     33 1.30 1 and 5/16 inch
9 0.35 Just under 3/8 inch     34 1.34 Just under 1 and 3/8 inch
10 0.39 Just over 3/8 inch     35 1.38 Just over 1 and 3/8 inch
11 0.43 7/16 inch     36 1.42 1 and7/16 inch
12 0.47 Just under 1/2 inch     37 1.46 Just under 1 and 1/2 inch
13 0.51 Just over 1/2 inch     38 1.50 Just over 1 and 1/2 inch
14 0.55 9/16 inch     39 1.54 1 and 9/16 inch
15 0.59 Just under 5/8 inch     40 1.57 Just under 1 and 5/8 inch
16 0.63 5/8 inch     41 1.61 1 and 5/8 inch
17 0.67 Just under 11/16 inch     42 1.65 Just under 1 and 11/16 inch
18 0.71 Just over 3/4 inch     43 1.69 Just over 1 and 3/4 inch
19 0.75 Just over 3/5 inch     44 1.73 Just over 1 and 3/5 inch
20 0.79 Just under 13/16 inch     45 1.77 Just under 1 and 13/16 inch
21 0.83 Just over 13/16 inch     46 1.81 Just over 1and 13/16 inch
22 0.87 Just under 7/8 inch     47 1.85 Just under 1 and 7/8 inch
23 0.91 Just over 7/8 inch     48 1.89 Just over 1 and 7/8 inch
24 0.94 15/16 inch     49 1.93 1 and 15/16 inch
25 0.98 1 inch     50 1.97 2 inches

For comparison purposes, here are the Thickness measurements of some common US coins:

In order To get clearer understanding of how thick or wide is a piece of jewelry, you can use US coins for reference. For thicker items you can stack multiple coins to acquire the approximate thickness or the width of your selected jewelry.


  • Dime Thickness is 1.35mm and Diameter is 17.9mm
  • Penny Thickness is 1.55mm and Diameter is 19.05mm
  • Nickel Thickness is 1.95mm and Diameter is 21.21mm
  • Quarter Thickness is 1.75mm and Diameter is 24.26mm