Unit to unit, no food (API key, rate-limited)
GET /measures/convert · API key required
Volume to volume or weight to weight. Leave out `to` for every unit of that kind. Weight-to-volume needs a food, so use GET /foods/convert for that.
Parameters
amount(query)from(query, required)to(query)
Responses
200400422- The two units are of different kinds (volume vs weight).429