There is no one answer. The amount of rind depends on the size of the orange.
shell
It's the peel of an orange.
Orange peel Orange Rind
The rind of the orange is not good to eat.
Rind
back to the rind lol
not skin, rind
shell
Technically, no. But in culinary terms rind refers only to the orange bit - not the white pith. Peel is a term that is usually reserved for 'candied peel' where more of the pith is left on and then cut up and candied in sugar syrup.
Rind
kind rind