Translation of "Metres" in Chinese

Four metres of this material cost nine francs; therefore, two metres cost four and a half francs.

這個東西四公尺要價九法郎; 所以兩公尺要四塊五法郎。

He ran a hundred metres in twelve seconds.

他可以用12秒跑100米。

He can run a thousand metres in four minutes.

他可以4分钟跑1000米。

- That is 30 metres long.
- That's thirty meters long.

那個長30米。