Thats the whole point. It doesn’t matter, as long as you use the same cup for all the measurements. Imperial recipes are ratios that can be scaled to any cup size.
Or do what most people do and use a measuring cup, standardized size, cheap and available at basically any store.
Measuring anything in cups can fuck right off. Are we supposed to use expresso cup size? Or big gulp cup size?
If you use the same cup for everything it doesn’t matter.
If you use the same cup for everything, I doubt that much matters to you at all, though 🤷
Thats the whole point. It doesn’t matter, as long as you use the same cup for all the measurements. Imperial recipes are ratios that can be scaled to any cup size.
Or do what most people do and use a measuring cup, standardized size, cheap and available at basically any store.