How many millimeters are in 1 inch?

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Multiple Choice

How many millimeters are in 1 inch?

Explanation:
One inch is defined as 2.54 centimeters, and since a centimeter equals 10 millimeters, 1 inch equals 2.54 × 10 = 25.4 millimeters. So 1 inch = 25.4 mm exactly. The other numbers are simply off by a small amount: 25.0 mm would be 2.5 cm, while 24.8 mm and 26.2 mm don’t match the exact conversion.

One inch is defined as 2.54 centimeters, and since a centimeter equals 10 millimeters, 1 inch equals 2.54 × 10 = 25.4 millimeters. So 1 inch = 25.4 mm exactly. The other numbers are simply off by a small amount: 25.0 mm would be 2.5 cm, while 24.8 mm and 26.2 mm don’t match the exact conversion.

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