as near as dammit

as near as dammit (or damn it)

as close to being accurate as makes no difference. informal
See also: near

as ˌnear as ˈdammit

(also as ˌnear as makes no ˈdifference) (British English, spoken) very nearly; so nearly something or so like something that you can consider it the same: The bill for the meal was £100, as near as dammit.Here’s some paint to cover that scratch on the car. It’s not an exact match but it’s as near as makes no difference.
Dammit is a way of writing damn it (an expression showing you are annoyed or impatient)
See also: near