Free business calculator
Service Duration and Buffer Estimator
Add a main service, add-ons, setup, cleanup, and a safety buffer to get the full booking time.
- Instant results
- Private in your browser
- PDF report included
Use the result well
A clear answer, with the assumptions visible
These recommendations turn the result into an operational next step without hiding the inputs behind a score.
- 1
Block the full time even when cleanup happens after the client leaves.
- 2
Track late finishes for two weeks and adjust the safety buffer.
- 3
Use different durations for add-ons that truly change the work.
How this tool works
- Add every part of the client visit.
- Apply a small safety buffer to the full working time.
- Round up so the calendar uses a clean duration.
Build it in Bookify
Set up scheduling Turn the plan into a clear schedule
Manage hours, buffers, reminders, and recurring work in Bookify.