MM → Inches
720 mm to inches
720 millimeters equals 28.346457 inches — or about 28 3/8" (nearest 1/16″).
Decimal
28.3465 in
Fraction
28 3/8"
Centimeters
72 cm
Feet
2.3622 ft
mm
28.346457
in≈ 28 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 = 720 ÷ 25.4 = 28.346457
Why 720 mm = 28.3465 in
Since 1 inch is defined as exactly 25.4 millimeters, 720 mm converts to 28.346457 inches. Rounded to the nearest 1/16″ that's 28 3/8", which is what you'd read off a standard imperial ruler.