Millimeters to inches
42 mm = 1.6535"
or 1 21/32" as a fraction · 1.654"
Inches
1.6535
inFraction
1 21/32"
Feet & inches
1.654"
Formula
42 ÷ 25.4
Tip: click or drag on the ruler to set the value.
How to convert
Divide the millimeter value by 25.4 to get inches.
42 mm ÷ 25.4 = 1.653543 inches
Quick facts
- Decimal inches1.6535"
- Fractional inches1 21/32"
- Feet + inches1.654"
- Centimeters4.2 cm
- Meters0.042 m