Centimeters to inches (and back) with the exact 2.54 definition.
Quick answer: Convert CM to Inches easily online. Fast, precise centimeter to inch calculator using the exact 2.54 international standard.
exact international definitions — computed locally
The fastest cm ⇄ inches conversion: type a value, get the exact answer both ways.
66.93 inches — about 5 feet 7 inches.
Divide cm by 2.5 for a close estimate; refine by subtracting 1.6%.
The 1959 international yard agreement fixed the inch at exactly 25.4 mm worldwide.
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