Cubic meters to cubic feet (m3 to cu ft)

One cubic meter is exactly 35.31466672 cubic feet. That is a definition rather than a measurement: the imperial and US customary units were fixed against metric ones by the 1959 international yard and pound agreement, so this factor does not drift and will not be revised.

Worked through: 3.62 m3 x 35.3146667 = 127.839 cu ft.

Going the other way, one cubic foot is 0.0283168466 cubic meters.

For mental arithmetic: Multiply by 35.3. Or multiply by 35 and add 1%.

Firewood is the place these two units meet head on. The North American cord is a stack 4 by 4 by 8 feet, or 128 cubic feet, which is 3.62 cubic meters; much of Europe sells by the stere, a stacked cubic meter, which is 35.3 cubic feet. Both measure the stack including the air between the logs, so a cord is roughly 3.6 steres and neither is a measure of solid wood. Beyond firewood, a cubic meter is 35.31 cubic feet, so a 30 m3 shipment is about 1,059 cubic feet.

Precision is worth matching to the input. A measurement given as 0.5 m3 carries one or two significant figures, and reporting its conversion to six implies a precision the original never had.