40 cm = 15.75 inches (rounded)
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40 millimeters is equal to 4 centimeters.
40 dm is equal to 400 cm, as there are 10 cm in 1 dm.
40 inches is approximately equal to 101.6 centimeters.
1 inch is equal to 2.54 cm. Therefore, 40 inches is equal to 101.6 cm.
40 cm x 40 cm x 30 cm is equivalent to approximately 15.75 inches x 15.75 inches x 11.81 inches.