12 mm to Inches
12 millimeters equals 0.472441 inches.
Quick answer
0.4724 inches
Exact-ish decimal0.472441 in
Nearest 1/6415/32 in
Millimeters12 mm
How this works
One inch equals exactly 25.4 millimeters, so divide 12 by 25.4. The fractional-inch value shown is a practical approximation using a denominator no larger than 64.
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