730mm (there are 10mm per cm).
28.73943643
It is about 29 inches
First, convert all the measurements to the same unit. 840mm = 0.84m 730mm = 0.73m Now multiply all three. 0.84m * 0.73m * 1.42m = 0.870744 cubic metres
How many inches is 38 cm
How many cm are in 14 inches
1
12.6 cm is about 4.96 cm
375.9 cm
73.4 cm
19.05 cm
It is 139.2 cm.