I paid double the sum.

Source: Tatoeba

He paid double fare.

Source: Tatoeba

My room is twice as big as his.

Source: Tatoeba

This house is as large again as that one.

Source: Tatoeba

This tunnel is twice as long as that one.

Source: Tatoeba

I have four times more CDs than you do.

Source: Tatoeba

Texas is nearly twice as large as Japan.

Source: Tatoeba

That's why ostrich meat costs more than twice as much as beef and pork.

Source: Tatoeba