BeamerEngineering Cost Calculator
Based on Sync Tax formula from Scale by Subtraction. Puts engineering cost on the P&L.
Parameters
Team Size20
Number of engineers affected by cross-team coordination
Connascence Degree3
How many modules must change when you ship one feature
Interdependence Factor0.5
How much extra effort each additional module adds (0.0 to 1.0)
Coordination Overhead10
Extra hours per change on meetings and reviews
Vacuum Effort40
Hours a feature would take in a perfectly modular system
Blended Rate$120
Average fully-loaded hourly cost per engineer
Features Per Year48
How many feature releases your team ships annually
Your Engineering Cost
2.50x
Sync Tax
Multiplier
Multiplier
$12,000
Cost Per
Feature
Feature
$576,000
Annual
engineering cost
engineering cost
48
Features
Per Year
Per Year
2.50x
Effective Cost
Multiplier
Multiplier
Cost Breakdown Per Feature
Coordination$4,800
Integration$3,600
Maintenance$1,800
Cognitive Load$1,200
Waste$600