20 mm to Inches
20 millimeters equals 0.787402 inches.
Quick answer
0.7874 inches
Exact-ish decimal0.787402 in
Nearest 1/6425/32 in
Millimeters20 mm
How this works
One inch equals exactly 25.4 millimeters, so divide 20 by 25.4. The fractional-inch value shown is a practical approximation using a denominator no larger than 64.
Use the full calculator →