Practical use cases
- Allocating a headcount budget between a priority function and everything else.
- Working out an even baseline split across a number of teams.
- Pressure-testing an allocation before committing it to a plan.
Calculator
Works entirely in your browser — nothing is sent, saved or tracked. Results update as you type.
How it works
The formula is:
Allocated = Total × Share % ÷ 100; Remaining = Total − Allocated; Even per team = Total ÷ Number of teams
The share splits the total between a focus area and the rest; the even per-team figure is an independent baseline distribution. Both are shown as exact figures — rounding to whole people is a planning decision you make.
Worked example: For 150 people with a 40% focus share across 5 teams: allocated = 150 × 0.40 = 60; remaining = 90; even per team = 150 ÷ 5 = 30.
How to read the result
The allocated and remaining figures show the priority split; the even per-team figure is a neutral baseline to compare against. A big gap between a team’s share and the even baseline is where you should be able to justify the difference.
These are exact arithmetic splits. People come in whole numbers, so round deliberately and check the rounded parts still add back to the total.
Common mistakes
- Rounding each part independently so the pieces no longer sum to the total.
- Confusing the focus-area split with the even-team split — they answer different questions.
- Entering the share as a fraction instead of a percentage.
- Allocating headcount without checking it against actual workload or demand.
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