Translation of "Calculate" in Chinese

I can't calculate as fast as he.

我没法算得跟他一样快。

I calculate he will be late coming home.

我想他會晚回家。

I cannot calculate this. I am not an engineer.

我不是工程师，不会算这个。

How do you calculate how many square meters a house is?

怎么算房子是多少平方米？

I can't calculate the final cost without first discussing it with our contractors.

不先與我們的承包商討論的話我無法計算出最後的費用。

The application allows you to quickly calculate the ratio of body mass index - BMI.

這項應用程序能讓你快速計算身高體重指數（BMI）。