Charitable Remainder Unitrust Calculator – Estimate Your Deduction


Charitable Remainder Unitrust (CRUT) Calculator

Estimate your charitable deduction and trust performance.

CRUT Calculator


The initial value of assets you are placing in the trust.


The percentage of the trust’s value paid out annually (must be between 5% and 50%).


The number of years the trust will make payments (max 20 years for non-life term, but we allow more for estimation).


Your estimated average annual growth rate of the trust’s investments.


The IRS Section 7520 rate for the month of the transfer (or one of the prior two months).



What is a Charitable Remainder Unitrust (CRUT)?

A Charitable Remainder Unitrust (CRUT) is an irrevocable trust that provides an income stream to one or more non-charitable beneficiaries (like yourself or family members) for a specified term of years or for the life of the beneficiaries. At the end of the trust term, the remaining assets (the “remainder”) are distributed to one or more designated charities. The annual payout to the beneficiaries is a fixed percentage (at least 5%) of the trust’s fair market value, revalued each year. This makes it a “unitrust,” as the payment amount can vary annually based on the trust’s performance.

Individuals who want to make a significant charitable gift but also need to retain or provide an income stream from the assets often use a charitable remainder unitrust calculator to explore this option. It’s particularly useful for those with highly appreciated assets, as transferring them to a CRUT can avoid immediate capital gains tax, and the donor receives an immediate income tax deduction for the present value of the remainder interest that will eventually go to charity.

Who Should Use It?

  • Individuals with appreciated assets (stocks, real estate) who want to sell them tax-efficiently and make a charitable gift.
  • Those looking to supplement retirement income while also supporting a charity.
  • People interested in estate planning and reducing potential estate taxes.
  • Philanthropically minded individuals who want to provide for both family and charity.

Common Misconceptions

  • The payout is fixed: Unlike an annuity trust, the unitrust payout varies each year based on the trust’s value.
  • It’s only for the very wealthy: While common with larger estates, CRUTs can be beneficial for various levels of assets, though setup costs should be considered.
  • You lose all access to the principal: While you can’t invade the principal directly, you receive payouts based on its value.

Charitable Remainder Unitrust Calculator Formula and Mathematical Explanation

The core idea of a charitable remainder unitrust calculator is to estimate the income stream to the beneficiaries and the final amount going to charity, and then calculate the present value of that charitable portion, which forms the basis for the income tax deduction.

The annual payout is calculated as:

Payout = Trust Fair Market Value (at beginning of year) × Payout Rate

The trust value changes each year due to payouts and investment performance. For a term CRUT, we project year by year:

Ending Balance (Year i) = (Beginning Balance (Year i) - Payout (Year i)) × (1 + Growth Rate) (assuming growth after payout)

More accurately, if FMV is at the start of the year for payout calc:

Beginning Balance[i] = Ending Balance[i-1] (where `Ending Balance[0] = initial FMV`)

Payout[i] = Beginning Balance[i] × Payout Rate

Value After Payout[i] = Beginning Balance[i] - Payout[i]

Ending Balance[i] = Value After Payout[i] × (1 + Growth Rate)

The remainder to charity is the projected `Ending Balance` after the last year of the term.

The charitable deduction is the present value of this remainder interest, calculated using the IRS Section 7520 rate (AFR). For a term trust, the IRS provides factors, but a simplified estimation discounts the final remainder back to the present: PV Remainder = Final Remainder / (1 + AFR)^Term Years. Our charitable remainder unitrust calculator uses this simplified approach for the primary result but also shows the year-by-year progression. The official deduction requires using IRS actuarial factors based on an “adjusted payout rate” and the AFR, which is more complex.

Variables Table

Variable Meaning Unit Typical Range
Fair Market Value Initial value of assets contributed $ 100,000+
Payout Rate Annual percentage of trust value paid out % 5 – 15% (max 50%)
Term Years Duration of the trust payments Years 1 – 20 (or life)
Growth Rate Assumed annual growth of trust assets % 0 – 10%
AFR Rate IRS Section 7520 discount rate % 1 – 6% (varies)

Practical Examples (Real-World Use Cases)

Example 1: Appreciated Stock

Sarah has $500,000 in stock with a cost basis of $100,000. She wants to sell it, diversify, generate income, and make a charitable gift. She creates a CRUT with:

  • Fair Market Value: $500,000
  • Payout Rate: 6%
  • Term Years: 20
  • Assumed Growth Rate: 5%
  • AFR Rate: 3.0%

Using the charitable remainder unitrust calculator, Sarah might find an estimated charitable deduction of around $140,000-$160,000 (depending on exact IRS factors). She avoids immediate capital gains on the $400,000 appreciation. She receives 6% of the trust’s value annually (initially $30,000, varying thereafter), and the charity receives the remainder after 20 years.

Example 2: Unused Real Estate

John owns a rental property worth $1,000,000, fully depreciated, that he no longer wants to manage. He transfers it to a CRUT:

  • Fair Market Value: $1,000,000
  • Payout Rate: 5%
  • Term Years: 15
  • Assumed Growth Rate: 3%
  • AFR Rate: 3.2%

The charitable remainder unitrust calculator would estimate his deduction, likely in the $350,000-$400,000 range. The trust sells the property tax-free, reinvests, and John receives 5% of the trust’s value each year for 15 years.

How to Use This Charitable Remainder Unitrust Calculator

  1. Enter Fair Market Value: Input the current market value of the assets you plan to transfer to the CRUT.
  2. Set Payout Percentage: Choose the annual percentage of the trust’s value to be paid out (between 5% and 50%).
  3. Define Term of Trust: Enter the number of years the trust will make payments.
  4. Estimate Growth Rate: Input the expected average annual growth rate of the trust’s investments.
  5. Enter AFR Rate: Input the current Section 7520 rate (or one from the prior two months if more favorable). You can find this on the IRS website.
  6. Calculate: Click “Calculate” to see the results.
  7. Review Results: The calculator will display the estimated charitable deduction, total payouts, remainder to charity, and a year-by-year table and chart.
  8. Understand Limitations: Remember this is an estimation. The actual deduction involves IRS tables. Consult a professional.

Use the charitable remainder unitrust calculator results to understand the potential tax benefits and income stream relative to the gift to charity.

Key Factors That Affect Charitable Remainder Unitrust Calculator Results

  1. Fair Market Value of Assets: A higher initial value generally leads to a larger deduction and larger initial payouts.
  2. Payout Rate: A higher payout rate decreases the remainder to charity and thus the charitable deduction, but increases beneficiary income (initially). It must be at least 5%.
  3. Term of Trust (or Beneficiary Age): A longer term (or younger beneficiary for lifetime trusts) reduces the present value of the remainder interest, lowering the deduction.
  4. Assumed Growth Rate: A higher growth rate will increase the trust’s value over time, potentially increasing payouts and the final remainder, though it doesn’t directly impact the initial deduction calculation as much as the AFR.
  5. AFR (Section 7520 Rate): This discount rate is crucial. A higher AFR reduces the present value of the remainder interest, thus lowering the charitable deduction. Donors can often choose the AFR from the month of the gift or one of the two preceding months.
  6. Payout Frequency and Timing: The IRS factors adjust based on whether payments are made annually, semi-annually, quarterly, or monthly, and at the beginning or end of the period. Our simplified charitable remainder unitrust calculator assumes annual payments for simplicity.
  7. Type of Assets Contributed: Contributing highly appreciated assets can provide significant capital gains tax avoidance benefits within the tax-exempt trust.

Frequently Asked Questions (FAQ)

1. What is the minimum payout rate for a CRUT?
The minimum annual payout rate is 5% of the trust’s fair market value, revalued annually.
2. What is the maximum payout rate for a CRUT?
The maximum is 50%, and the present value of the remainder interest must be at least 10% of the initial contribution.
3. Can I be the trustee of my own CRUT?
Yes, you can be the trustee, but it involves fiduciary responsibilities and administrative work. Many people opt for a corporate trustee (like a bank or trust company) or the charity itself if it offers such services.
4. What types of assets can I contribute to a CRUT?
You can contribute cash, publicly traded securities, some types of real estate, and privately held stock, although the latter two can be more complex to value and manage within the trust.
5. Is the income from a CRUT taxable?
Yes, the income received by the beneficiaries is generally taxable according to a four-tier system: ordinary income first, then capital gains, then tax-exempt income, and finally return of principal.
6. What happens if the trust assets perform poorly?
The annual payout will decrease because it’s based on a percentage of the revalued assets each year. The charitable remainder unitrust calculator helps visualize this with different growth rates.
7. Can I change the beneficiaries or the charity later?
A CRUT is irrevocable, so you generally cannot change the income beneficiaries. However, you can often retain the right to change the charitable remainder beneficiaries.
8. What’s the difference between a CRUT and a CRAT (Charitable Remainder Annuity Trust)?
A CRUT pays a percentage of the trust’s value revalued annually (variable payments), while a CRAT pays a fixed dollar amount each year (fixed payments).

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