Interactive tool
Impact Calculator
Model your giving potential — compare direct giving, a donor-advised fund, and a private foundation over time. Educational estimates only; not tax advice.
Assumptions: 37% marginal tax rate · DAF 6% growth / 0.6% admin · Foundation 5% payout, 1.39% excise on gains, $15k annual admin.
Direct giving
- Total given$500,000
- Tax deduction$185,000
- Admin overhead$0
Net to mission
$500.0K
Donor-advised fund
- Total given$500,000
- Investment growth$54,687
- Tax deduction$205,234
- Admin overhead$5,469
- Ending balance$0
Net to mission
$549.2K
Private foundation
- Total given$500,000
- Excise tax$598
- Admin overhead$150,000
- Ending balance$0
Net to mission
$349.4K
DAF balance & grants over time
This calculator is for educational purposes only and does not constitute tax, legal, or investment advice. Actual results vary based on investment performance, fee schedules, contribution timing, and individual tax situations. Consult your CPA and advisors before making decisions.
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