OhMyCalc

Project Duration Calculator

Estimate project duration from total work-hours, crew size, and productivity factor.

How to Use the Project Duration Calculator

  1. Enter total work-hours for the project.
  2. Enter number of workers.
  3. Enter working hours per day.
  4. Set productivity factor and review duration.

Casos de Uso

Fórmula

Days = Total Hours / (Workers × Hours/Day × Productivity)

Perguntas Frequentes

How accurate is this calculator?
Results are based on standard engineering formulas and are suitable for preliminary estimates.
What units are used?
SI units (metres, kg, kPa) are used unless otherwise noted.
Is it free?
Yes, all calculators are completely free.