1m3 =________ cm3.

$1000000 \mathrm{~cm}^{3}$

$1 \mathrm{~m}^{3}=(100 \mathrm{~cm})^{3}$         $[\because 1 \mathrm{~m}=100 \mathrm{~cm}]$

$=(100 \times 100 \times 100) \mathrm{cm}^{3}$

$=1000000 \mathrm{~cm}^{3}$