Hi! Essentially,
1m = 100cm
1m² = 1m x 1m = 100cm x 100cm = 10000 cm²
1m³ = 1m x 1m x 1m = 100cm x 100cm x100cm = 1000000cm³So 600cm³ = 0.0006m³ No worries, the conversion definitely took me some time to get used to as well ^^