As a whole and All together

All together and as a whole are semantically related in all at once topic. In some cases you can use "All together" instead the phrase "As a whole" as an adjective or an adverb.

All together adverb - Used of a group whose members acted or were acted upon collectively and when `all' and `together' can be separated by other words.

As a whole and all together are semantically related in all at once topic. You can use "As a whole" instead the phrase "All together" as an adjective or an adverb.