Free calculator
Engineering onboarding cost calculator
Every new hire costs more than salary during their ramp — they consume mentor time and produce at reduced output. See the real number.
Engineers absorbing new hires
5200
New engineers per year
130
Loaded, during ramp
80250
Senior engineer time cost
100300
Until 80%+ productivity
226
1 = tribal only, 10 = complete
110
Annual onboarding cost
$255K
$51K per hire·9.4 FTE-weeks of mentor time
Lost productivity (during ramp)$195K
Hires producing at ~50% during ramp.
Mentor time consumed$60K
Senior engineers pulled off their own work to teach.
What context infrastructure changes
$133K
Annual savings (40% ramp reduction)
~40%
Typical ramp time reduction
New engineers with access to recent shift-end records and a searchable decision log ramp meaningfully faster — they can self-serve the context that would otherwise require weeks of conversations.
Onboard faster →Get the async onboarding playbook.
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