How it works
Estimate time when equally productive workers share a fixed task. Doubling workers halves time under this ideal assumption.
new time = initial workers × initial time / new workers
Worked example
Show example inputs and result
Initial workers: 4 · Initial time: 12 · New workers: 6.
- Result
- 8
Questions and answers
Why are some results rounded?
Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.
Are my inputs sent to a server?
The calculator processes inputs in your browser. Its code does not send your values to a server.
Method reviewed: October 8, 2026 · Methods & accuracy