MM → Inches

8.8 mm to inches

8.8 millimeters equals 0.346457 inches — or about 3/8" (nearest 1/16″).

Decimal

0.3465 in

Fraction

3/8"

Centimeters

0.88 cm

Feet

0.0289 ft

mm
0.346457
in

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 = 8.8 ÷ 25.4 = 0.346457

Why 8.8 mm = 0.3465 in

Since 1 inch is defined as exactly 25.4 millimeters, 8.8 mm converts to 0.346457 inches. Rounded to the nearest 1/16″ that's 3/8", which is what you'd read off a standard imperial ruler.