Sizing Chart

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INCHES TO MM SIMPLE CONVERSION

FRACTION DECIMAL mm

1/4"= .25"= 6.35mm

5/16"= .3125"= 8mm

3/8"= .375"= 9.5mm

7/16"= .4375"= 11mm

1/2"= .5"= 12mm

9/16"= .5625"= 14mm

5/8"= .625"= 15mm

3/4"= .75"= 19mm

1"= 1"= 25mm

1 1/8"= 1.125"= 28mm

1 1/4"= 1.25"= 31.75mm

1 3/8"= 1.375"= 34mm

1 1/2"= 1.5"= 38mm

1 3/4"= 1.75"= 44.45mm

2"= 2"= 50mm

2 1/4"= 2.25"= 57mm

2 1/2"= 2.5"= 63mm

3"= 3"= 76mm

3 1/2"= 3.5"= 88mm

4"= 4"= 101mm

5"= 5"= 127mm

6"= 6"= 152mm

7"= 7"= 177mm

8"= 8"= 203mm

9"= 9"= 228mm

10"= 10"= 254mm