Millimeters to inches
508 mm = 20"
or 20" as a fraction · 1' 8"
Inches
20
inFraction
20"
Feet & inches
1' 8"
Formula
508 ÷ 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.
508 mm ÷ 25.4 = 20 inches
Quick facts
- Decimal inches20"
- Fractional inches20"
- Feet + inches1' 8"
- Centimeters50.8 cm
- Meters0.508 m