no about 25.4 mm
Direct Conversion Formula30 mm*
1 in
25.4 mm
=
1.181102362 in
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There are 25.4 mm in 1 inch. Therefore 30mm X (1"/25.4mm) = (30/25.4) inches = 1.18 inches Direct Conversion Formula 30 mm* 1 in 25.4 mm = 1.181102362 in
In terms of length, 30mm is greater than 3cm. This is because 1cm is equal to 10mm. Therefore, 3cm is equivalent to 30mm.
1 inch is not equal to 25.4. 25.4 is a pure number whereas 1 inch is a measure of length. By definition, 1 inch is equal to 25.4 millimetres, where a millimetre is another unit for measuring length.
1 inch = 2.54 centimeters
1 inch=25.4 millimeters