From Longman Dictionary of Contemporary Englishto be exactto be exactformal used to emphasize that what you are saying is exact She has worked at the bank for many years, nine to be exact. → exact
Examples from the Corpus
to be exact• It was more than 20 years ago, to be exact.• And a bloody enormous hotel, to be exacting.• He had to walk through thorns to find people, but he did find them, three of them to be exact.• Most of it is used for irrigation-80 percent of it, to be exact.• Naples, Florida, to be exact.• But this case appears to be exacting a greater toll.• The paths of two lives, or three to be exact, came together for a little while and then separated.• To be exact, is something missing from their veins?• Jock now behaved, to be exact, Precisely as car-salesmen act. 