Easy Guide Convert Measurements inches to cm & mm

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MEASUREMENTS: CONVERTING INCHES, CM's and MM's

These tables below can be easily used to convert between fractional, decimal inches, cms and metric millimeters
When buying, designing and manufacturing jewellery in Australia we use "mm's" and "cms" to measure our jewellery
We have included these easy to use conversion charts for quick size conversion
We hope you find these easy to use and helpful in accurately assessing the real life size of our jewellery from mm's, cm's and inches

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Converting mm to inches for size

  8mm = .31 inch
10mm = .39 inch
12mm = .42 inch
14mm = .55 inch
16mm = .62 inch
18mm = .70 inch
20mm = .78 inch
25mm = .98 inch

 

Bracelet Length in cm  =  Length Inches
                           17cm   =   6.7 inches
                           18cm   =    7.1 inches
                           19cm   =    7.5 inches
                           20cm   =    7.9 inches
                           21cm   =    8.3 inches
                           23cm   =    9.1 inches

Necklace Length in cm  =  Length Inches
                             40cm   =   16 inches
                             45cm   =   18 inches
                             50cm   =   20 inches
                             55cm   =   22 inches
                             60cm   =   24 inches
                             65cm   =   26 inches
                             70cm   =   28 inches
                             75cm   =   30 inches
                             80cm   =   32 inches


 

INCHES =  CM
.5   =   1.25cm
 1   =   2.5cm
1.5 =   3.75cm
 2   =   5cm
2.5 =   6.25cm
 3   =   7.5cm
3.5 =   8.75cm
 4   =   10cm
4.5 =   9.5cm
 5   =   10cm
5.5 =   13.75cm
 6   =   15cm
6.5 =   16.25cm
 7   =   17.5cm
8.5 =   21.25cm
 9   =   22.5cm
9.5 =   23.75cm
10  =   25cm
10.5 =   26.25cm
 11   =   27.5cm
11.5 =   28.75cm
 12   =   30cm
12.5 =   31.25cm
 13   =   32.5cm
13.5 =   33.75cm
 14   =   35cm
14.5 =   36.25cm
 15   =   37.5cm
15.5 =   38.75cm
 16   =   40cm
16.5 =   41.25cm
17    =   42.5cm
17.5 =   43.75cm
 18   =   45cm
18.5 =   46.25cm
 19   =   47.5cm
19.5 =   48.75cm
 20   =   50cm
20.5 =   51.25cm
 21   =   52.5cm
21.5 =   53.75cm
 22   =   55cm
22.5 =   56.25cm
 23   =   57.5cm
23.5 =   58.75cm
 24   =   60cm
24.5 =   61.25cm
 25   =   62.5cm
25.5 =   63.75cm
 26   =   65cm
26.5 =   66.25cm
 27   =   67.5cm
27.5 =   68.75cm
 28   =   70cm
28.5 =   71.25cm
 29   =   72.5cm
29.5 =   73.75cm
 30   =   75cm
30.5 =   76.25cm
 31   =   77.5cm
31.5 =   78.75cm
 32   =   80cm

 

Fractional   Decimal   =  mm

0.0394    =   1mm
0.0787    =   2mm
0.1181    =   3mm
0.1575    =   4mm
0.1969    =   5mm
0.2362    =   6mm
0.2756    =   7mm
0.3150    =   8mm
0.3543    =   9mm
0.3937    =   10mm
0.4331    =   11mm
0.4724    =  12mm
0.5118    =   13mm
0.5512    =   14mm
0.5906    =   15mm
0.6299    =   16mm
0.6693    =   17mm
0.7087    =   18mm
0.7480    =   19mm
0.7874    =   20mm
0.8268    =   21mm
0.8661    =   22mm
0.9055    =   23mm
0.9449    =   24mm
0.9843    =   25mm
1 inch  =   1.000   =   25.4mm
1.1024    =   28mm
1.1417    =   29mm
1.1811    =   30mm
1.2205    =   31mm
1.2598    =   32mm
1.2992    =   33mm
1.3386    =   34mm
1.3780    =   35mm
1.4173    =   36mm
1.4567    =   37mm
1.4961    =   38mm
1 1/2 inches = 1.5000   =   38.1mm
1.5354    =   39mm
1.5748    =   40mm
1.6142    =   41mm
1.6535    =   42mm
1.6929    =   43mm
1.7323    =   44mm
1 3/4 inches = 1.7500  =   44.4mm
1.7717    =   45mm
1.8110    =   46mm
1.8504    =   47mm
1.8898    =   48mm
1.9291    =   49mm
1.9685    =   50mm
2 inches  =   2.0000   =   50.8mm

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