Shrinkage Calculator for Space Colony
If you need 40 colonists active, how many should be on your life-support roster?
Shrinkage
30.0%
Net Capacity
70.0%
Headcount
72
You need 72 Colonists to keep 50 available, with 22 extra to cover shrinkage.
Your shrinkage is within the typical industry range of 25โ35%.
Shrinkage categories
Adjust each category as a percentage of total paid time
Add custom category
Shrinkage breakdown
Live view of which categories contribute most to total shrinkage
Set a category above 0% to view the breakdown chart.
Capacity split
Available time vs shrinkage
Headcount mix
Coverage target vs added Colonists for shrinkage
Headcount chart is unavailable when shrinkage is 100% or higher.
Frequently asked questions
Why model shrinkage in a space colony?
Critical habitats rely on uninterrupted role coverage, and specialized prep tasks can consume a large share of paid time.
Should EVA preparation count as shrinkage?
Yes. EVA prep and decompression are paid but reduce immediate task-ready capacity.
Turn this into a real schedule
Use Soon to build optimized schedules that account for shrinkage automatically.
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Space Colony Shrinkage Report
Staffing Shrinkage Calculator
SPECIAL MODESoon
Required Coverage
50
Total Shrinkage
30.0%
Net Capacity
70.0%
Required Headcount
72
Extra Needed
22
Capacity & Headcount Overview
Visual split of availability vs overhead
Capacity Split
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Headcount Mix
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Category Breakdown
Relative contribution of each shrinkage category
No active categories. Set a category above 0% to populate chart data.