MM → Inches
264 mm to inches
264 millimeters equals 10.393701 inches — or about 10 3/8" (nearest 1/16″).
Decimal
10.3937 in
Fraction
10 3/8"
Centimeters
26.4 cm
Feet
0.8661 ft
mm
10.393701
in≈ 10 3/8" (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 = 264 ÷ 25.4 = 10.393701
Why 264 mm = 10.3937 in
Since 1 inch is defined as exactly 25.4 millimeters, 264 mm converts to 10.393701 inches. Rounded to the nearest 1/16″ that's 10 3/8", which is what you'd read off a standard imperial ruler.