MM → Inches
27 mm to inches
27 millimeters equals 1.062992 inches — or about 1 1/16" (nearest 1/16″).
Decimal
1.063 in
Fraction
1 1/16"
Centimeters
2.7 cm
Feet
0.0886 ft
mm
1.062992
in≈ 1 1/16" (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 = 27 ÷ 25.4 = 1.062992
Why 27 mm = 1.063 in
Since 1 inch is defined as exactly 25.4 millimeters, 27 mm converts to 1.062992 inches. Rounded to the nearest 1/16″ that's 1 1/16", which is what you'd read off a standard imperial ruler.