Fifty-fifty and Size for size

Fifty-fifty adjective - Equal in degree or extent or amount; or equally matched or balanced.

Size for size and fifty-fifty are semantically related. In some cases you can use "Size for size" instead an adverb phrase "Fifty-fifty".

Fifty-fifty and size for size are semantically related. Sometimes you can use "Fifty-fifty" instead an adverb phrase "Size for size".