Blog
Notes on quantity take-off, estimating and what we are building.
Why there is no AI in our take-off tool
A quantity that is wrong in a way that looks right is the most expensive thing that can happen to an estimate. So QTac measures only what you point at.
14 Oct 2026The dimension sheet is the product
A total anyone can produce. What matters is whether a reviewer can check it line by line, three weeks later, without you in the room.
14 Oct 2026Why we built QTac
Take-off at the estimating stage is still done by hand, and nothing on the market suited a small Indian contractor. So we wrote the tool we wanted.
14 Oct 2026