"No Tax On..." OBBBA Deduction Calculators

Charitable Deduction Calculator (2026 Rules)

Calculate your 2026 charitable tax deduction under the new OBBBA rules: the $1,000/$2,000 deduction for non-itemizers, or the new 0.5%-of-AGI floor if you itemize -- plus your real dollar tax savings.

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$0$5,000,000
$0$5,000,000
$0$1,000,000

Better Option for You

Take the Standard Deduction -- your $17,100 standard deduction + non-itemizer charitable add-on beats $13,075 in itemized deductions.

Estimated • Based on your inputs

Estimated Tax Savings From Your Giving

$220.00

Detailed Breakdown

Non-Itemizer Charitable Deduction (If Standard)$1,000.00
2%
Itemized Charitable Deduction Allowed (If Itemizing)$1,075.00
2%
Amount Lost to the New 0.5% AGI Floor$425.00
1%
Total Deduction — Standard Path$17,100.00
32%
Total Deduction — Itemized Path$13,075.00
25%
Estimated Federal Tax — Standard Path$9,650.00
18%
Estimated Federal Tax — Itemized Path$10,536.00
20%

Disclaimer: This calculator provides estimates for informational purposes only. Results should not be considered financial, tax, or legal advice. Consult a qualified professional for your specific situation.

How This Calculator Works

Calculation methodology and assumptions

Starting with tax year 2026, the One Big Beautiful Bill Act changed charitable-giving tax rules in two ways that most donors have never heard of. First, 26 U.S.C. Section 170(p) creates a NEW permanent deduction for taxpayers who do not itemize: up to $1,000 of cash contributions to a qualifying public charity ($2,000 on a joint return), functioning like an add-on to your standard deduction rather than an "above the line" AGI adjustment. Second, Section 170(b)(1)(I) adds a NEW "0.5-percent floor" for itemizers: your itemized charitable deduction is only allowed to the extent your total cash giving exceeds 0.5% of your AGI -- a small-print change that quietly shrinks the deduction for modest donors even though it gets far less attention than the SALT cap or "no tax on tips" headlines. This calculator computes your total deduction BOTH ways -- the standard-deduction path (your 2026 standard deduction plus the capped non-itemizer gift) and the itemized path (your cash giving above the new 0.5% floor, capped at 60% of AGI per the OBBBA-made-permanent Section 170(b)(1)(G)(i) ceiling, plus your other itemized deductions) -- and recommends whichever produces the larger total deduction. It then isolates the real dollar value of your charitable giving by comparing your actual best-case federal tax against a "what if you gave $0 this year" baseline, rather than just multiplying your deduction by a marginal rate, which would overstate the benefit whenever your giving is what pushes you from the standard deduction into itemizing (or vice versa).

Standard financial formulas Pre-filled with documented data Estimates only — not financial advice
Data Source
26 U.S.C. § 170(p) and § 170(b)(1)(I) (added/amended by One Big Beautiful Bill Act, Pub. L. 119-21, Sec. 70424-70425); U.S. Code Office of the Law Revision Counsel
View Original Source | Source record reviewed | Review target: annually

How to Use This "No Tax On..." Deduction Calculator Calculator

  1. 1

    Enter your information

    Input the required values. The calculator is pre-filled with your state's data where applicable — adjust to match your specific situation for accurate results.

  2. 2

    Review default values

    Check that the pre-filled state-specific data (tax rates, median values, etc.) matches your local situation. You can override any value to customize the calculation.

  3. 3

    Analyze your results

    Review the calculated outputs. Use the breakdown table to understand exactly how each factor contributes to the final result.

  4. 4

    Compare across states

    Use the related state calculators linked below to compare results across different states — useful for relocation planning and financial comparison.

Example Calculation

Here's a practical example using this state's data.

The calculator uses state-specific public data and documented estimates where available — including tax rates, median values, and cost benchmarks — to produce a personalized estimate for the inputs you provide.

Result: Results will vary based on your individual inputs. Use this calculator as a starting point, then adjust the values to test different scenarios. The methodology section below explains exactly how each result is calculated.

What Affects Your Results

State-Specific Inputs

Each state has unique rates, fee schedules, and regulatory requirements that can affect results. This page's methodology and source card identify which inputs are sourced, modeled, or user-adjustable.

Income Level

Many calculations are income-dependent due to progressive tax brackets, phase-outs, or income-based eligibility thresholds. Higher income doesn't always mean proportionally higher costs.

Local Variations

State averages may not reflect your specific city or county. Local taxes, fees, and market conditions can vary ±20% from state averages.

Annual Changes

Tax rates, fee schedules, and regulations change. Check the recorded source-review date and verify critical numbers with the relevant agency.

Tips & Best Practices

  • Always verify pre-filled values against your actual data. State averages are a good starting point but your situation may differ significantly.
  • Run multiple scenarios by adjusting key inputs to see how changes affect your results. This helps with planning and decision-making.
  • Compare your results across states using the related calculators linked below — especially valuable if you're considering relocating or doing business in another state.
  • Bookmark this page to recalculate periodically as rates change. Check the page source card and review date before relying on a pre-filled value.
  • Consult a qualified professional for major financial decisions. These calculators provide estimates based on standard formulas — a CPA or financial advisor can factor in your complete financial picture.
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StateCalc Team

Editorial Team

The StateCalc team builds free financial calculators using data from official government sources including the IRS, U.S. Census Bureau, BLS, and state revenue departments. All formulas are validated by an automated test suite and cross-referenced against published data.

Our editorial standards

Frequently Asked Questions

Can I deduct charitable donations if I take the standard deduction?

Yes, starting in 2026. 26 U.S.C. Section 170(p), created by the One Big Beautiful Bill Act, lets non-itemizers deduct up to $1,000 of cash gifts to a qualifying public charity ($2,000 on a joint return) even while taking the standard deduction. This is separate from (and much simpler than) the old, temporary CARES Act $300/$600 "universal deduction," which expired after 2021 -- this new version is permanent and has no expiration date in the statute.

What is the new 0.5% AGI floor on charitable deductions?

For tax years starting in 2026, 26 U.S.C. Section 170(b)(1)(I) only allows itemizers to deduct the portion of their charitable giving that exceeds 0.5% of their Adjusted Gross Income (their "contribution base"). For example, a donor with $100,000 AGI loses the first $500 of any charitable deduction to this floor. It applies before the existing 60%-of-AGI ceiling on cash gifts to public charities, and it is new -- it did not exist before the 2026 tax year.

Do gifts to a donor-advised fund qualify for the $1,000/$2,000 non-itemizer deduction?

No. Section 170(p) explicitly excludes contributions used to establish or maintain a donor-advised fund, as well as gifts to Section 509(a)(3) supporting organizations. Only cash gifts to a Section 170(b)(1)(A) public charity -- churches, schools, hospitals, and most well-known nonprofits -- qualify for this specific deduction.

Does married filing separately get half the $2,000 non-itemizer cap?

No -- unlike the SALT cap, this one doesn't halve for separate filers. The statute sets a flat $1,000 cap for everyone except joint filers, who get $2,000. So Single, Head of Household, and Married Filing Separately taxpayers all get the same $1,000 cap.

Should I itemize or take the standard deduction if I give to charity?

It depends on your total itemized deductions (charitable giving above the new 0.5% floor, plus SALT, mortgage interest, etc.) versus your 2026 standard deduction plus the up-to-$1,000/$2,000 non-itemizer charitable add-on. This calculator runs both scenarios and estimates your actual federal tax under each so you can see real dollar savings, not just which deduction total is larger.

Does this deduction reduce my AGI or MAGI?

No. Both the non-itemizer charitable deduction and the itemized charitable deduction are calculated after AGI is determined -- similar to the standard deduction itself -- so neither one affects AGI- or MAGI-based tests elsewhere, such as ACA premium tax credit eligibility or Medicare IRMAA brackets.

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