MM → Inches
34 mm to inches
34 millimeters equals 1.338583 inches — or about 1 5/16" (nearest 1/16″).
Decimal
1.3386 in
Fraction
1 5/16"
Centimeters
3.4 cm
Feet
0.1115 ft
mm
1.338583
in≈ 1 5/16" (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 = 34 ÷ 25.4 = 1.338583
Why 34 mm = 1.3386 in
Since 1 inch is defined as exactly 25.4 millimeters, 34 mm converts to 1.338583 inches. Rounded to the nearest 1/16″ that's 1 5/16", which is what you'd read off a standard imperial ruler.