that's about the size of it

That's about the size of it.

Inf. That is the way it is. (Often a response to someone who has acknowledged bad news.) Bob: We only have a few hundred dollars left in the bank. Sally: That means that there isn't enough money for us to go on vacation? Bob: That's about the size of it. Bob: I'm supposed to take this bill to the county clerk's office and pay them four hundred dollars? Sally: That's about the size of it.
See also: of, size

that's about the size of it

That sums up the situation; that's how things are. For example, So he's going to resign next month?-Yes, that's about the size of it, or Mary's applying to all those colleges?-That's about the size of it. A mid-19th century British expression that soon crossed the Atlantic, it appeared in Mark Twain's Tramp Abroad (1880): "'Bloodshed!' 'That's about the size of it,' I said."
See also: of, size

that's about the size of it

said to confirm a person's assessment of a situation, especially one regarded as bad. informal
See also: of, size

that’s about the ˈsize of it

(spoken) that is a good or fair description of the situation: ‘So you’re leaving college just to go travelling?’ ‘Yes, that’s about the size of it.’
See also: of, size