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TAX CREDIT CALCULATOR

Estimate what you could redirect this year.

Move the slider, pick your state, and watch the numbers update live. Federal ECCA plus your state credit, stacked correctly. An estimate — not tax advice.

30 states supported

Federal + state stacking

Live recalculation

Your calculation

Move the inputs to size your year.

Filing status

Maximum federal credit: $1,700

Gift amount $3,400
$100$5,000

Your state 100% credit

Ohio stacks 100% on top of the federal credit. Dollar-for-dollar, capped.

Your estimated credit

$3,400
Covered by credits 100%
Gift$3,400
Federal credit−$1,700
Ohio state credit−$1,700
Net cost to you$0

An estimate based on published 2026 rules. Not tax advice. The federal credit is non-refundable and capped at $1,700 for your filing status. Your actual credit depends on total liability, deductions, and AGI. Talk to your CPA before you give.

How the math works

The calculator, plainly

We use the published rules for the federal ECCA credit and each participating state’s SGO program — credit rate, donor cap, filing-status modifiers. Numbers update as legislatures revise their programs.
Yes, in most cases. The federal ECCA credit stacks on top of any state credit your gift earns. The calculator shows the stack automatically when both apply.
Federal ECCA is non-refundable but carries forward up to five years. State refundability rules vary — the calculator notes which states allow carry-forward.

Yes. This calculator is an estimate. Your actual credit depends on total liability, deductions, and AGI. We have a one-page packet your CPA can use — request it on the Donors page.