NIH salary cap calculator — enter your 9-month base salary and effort to compute summer pay, billing limits, and cost share obligations
Your info
Editable fields
Summer pay
Based on 2.5/9ths rule
Monthly rate (salary ÷ 9)
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12-month equivalent salary
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2.5/9ths recommended max
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Standard max summer pay (2.5 months of 9-month rate)
NIH-capped 2.5/9ths max
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Lower of your rate vs. NIH cap rate, × summer months
Over-cap summer excess
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May be cost-shared (voluntary uncommitted) or paid from non-NIH funds
NIH billing & cost share
Full-year commitment
Total effort on NIH (of 12 months)
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NIH max billable (FY)
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Calculated billable effort
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Voluntary uncommitted cost share effort
Voluntary uncommitted salary amount
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May be paid from cash match account.
Summary salary (over-cap pay)
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Pay in excess of amount billable to NIH