A is equivalent to B" has the same meaning as "A is true if and only if B is true. ✬

Give me the equivalent in dollars. ✬

It's equivalent to sawing off the branch you're sitting on. ✬

It's the equivalent of sawing off the branch you're sitting on. ✬

That French word has no equivalent in English. ✬

One emu egg is about the equivalent of nine chicken eggs. ✬

Electric motors deliver strong acceleration because they offer more torque than equivalent gasoline engines. ✬

There's no French equivalent of this word. ✬