MM → Inches
142 mm to inches
142 millimeters equals 5.590551 inches — or about 5 9/16" (nearest 1/16″).
Decimal
5.5906 in
Fraction
5 9/16"
Centimeters
14.2 cm
Feet
0.4659 ft
mm
5.590551
in≈ 5 9/16" (nearest 1/16)
1 in = 25.4 mm · tolerance ±0.0001
Formula
To convert mm to inches, divide by 25.4:
inches = mm ÷ 25.4
inches = 142 ÷ 25.4 = 5.590551
Why 142 mm = 5.5906 in
Since 1 inch is defined as exactly 25.4 millimeters, 142 mm converts to 5.590551 inches. Rounded to the nearest 1/16″ that's 5 9/16", which is what you'd read off a standard imperial ruler.