The basic calculation: what you owe depends on the total you've given

Gift tax is calculated on the total value of gifts you give in a calendar year, not on each gift separately. The IRS tracks cumulative gifts across all recipients and all months from January through December. You calculate what you owe by adding up every gift above $18,000 per person (for 2024), then explore the federal gift tax rate to the amount that exceeds your lifetime exemption.

The calculation has two parts: first, determine which gifts count toward the tax; second, subtract your exemption and explore the tax rate to what remains. Most people never owe gift tax because the lifetime exemption is high — $13.61 million for 2024 — but you must still file a form to report gifts over the annual threshold, even if you owe nothing.

Key Takeaways

  • Only gifts over $18,000 per recipient per year count toward gift tax; gifts below that amount do not reduce your exemption.
  • You add up all countable gifts in a calendar year, subtract your lifetime exemption of $13.61 million (2024), and explore a 40 percent tax rate to the remainder.
  • Gifts to spouses with U.S. citizenship, direct payments to medical providers, and tuition paid directly to schools are never taxed, no matter the amount.
  • You report gifts over the annual threshold on Form 709, filed with your tax return, even if you owe no tax because of your exemption.
  • The annual threshold and lifetime exemption change yearly; the exemption is scheduled to drop to roughly $7 million per person in 2026.

Which gifts count toward the calculation

Not every transfer of money or property triggers gift tax. The IRS excludes certain gifts entirely, meaning they do not count toward your annual threshold or lifetime exemption. Gifts to a spouse (if the spouse is a U.S. citizen) are unlimited and never taxed. Direct payments to a medical provider for someone else's care — paying a hospital bill or doctor's office directly — do not count as gifts. Tuition paid directly to a school for someone else's education also escapes gift tax, but only if you pay the school itself, not the student.

Gifts that do count include cash, property transferred at less than fair market value, forgiveness of a loan, and the transfer of assets into a trust for someone else's benefit. A gift of a car, real estate, stock, or jewelry all count at their fair market value on the date you give them. If you lend money to a family member with no written agreement to repay it, the IRS may treat it as a gift. If you do charge interest but the rate is below the IRS minimum (the applicable federal rate, which changes monthly), the difference between what you charged and the minimum rate is treated as a gift.

The annual threshold and how to count gifts

For 2024, you can give up to $18,000 per person per calendar year without reporting the gift or using any of your lifetime exemption. This is called the annual exclusion. If you give one person $20,000 in 2024, only $2,000 counts toward gift tax. If you give ten people $18,000 each, none of it counts. If you give one person $50,000, $32,000 of it counts (the $50,000 minus the $18,000 threshold).

The annual exclusion resets on January 1 each year. A gift on December 31 and another on January 1 are in different calendar years and each gets its own $18,000 threshold. If you are married, each spouse has a separate $18,000 threshold per recipient. A married couple can together give one person $36,000 in a year with no gift tax consequences. The annual exclusion amount changes most years; the IRS announces the new figure in October for the following year.

Calculating the tax using your lifetime exemption

Once you have identified gifts that count and added them up for the year, subtract the annual exclusion. The remaining amount uses your lifetime exemption. For 2024, your lifetime exemption is $13.61 million. This means you can give away $13.61 million in total gifts (above the annual exclusion) across your entire life before owing any federal gift tax.

Here is the calculation in order: Take your total gifts for the year. Subtract $18,000 per recipient (the annual exclusion). Add that result to all countable gifts you have made in prior years. If the total is under $13.61 million, you owe no tax, but you still file Form 709 to report it. If the total exceeds $13.61 million, the excess is taxed at 40 percent. For example, if you have given away $13.7 million in total countable gifts across your lifetime, you owe 40 percent tax on $100,000 ($13.7 million minus $13.61 million).

What happens when you give property instead of cash

When you give property — a house, car, investment account, or business interest — you must value it at fair market value on the date of the gift. Fair market value is what a willing buyer would pay a willing seller, neither under pressure. For publicly traded stock, this is the closing price on the date of transfer. For real estate, you typically need an appraisal. For a car, you can use NADA Guides or Kelley Blue Book values for that date.

If you give someone a piece of property worth less than you paid for it, the gift is valued at its current fair market value, not what you paid. If you own a rental house you bought for $300,000 that is now worth $250,000, and you give it away, the gift is valued at $250,000. If you transfer property into a trust or give someone a partial interest in property (like a percentage of a rental house), the valuation becomes more complex and often requires a professional appraisal or a valuation informed, especially if the interest has restrictions on sale or use.

Gifts that reduce your lifetime exemption without owing tax

If you give away more than the annual exclusion but less than your lifetime exemption, you do not owe tax in that year — but the gift does reduce your exemption for the future. Suppose in 2024 you give one person $100,000. The first $18,000 is covered by the annual exclusion. The remaining $82,000 uses $82,000 of your $13.61 million lifetime exemption. You file Form 709 to report it, you owe no tax, but your remaining lifetime exemption drops to $13.528 million.

This matters because the lifetime exemption is scheduled to change. In 2026, the exemption is set to drop to approximately $7 million per person (adjusted for inflation) unless Congress extends the current law. If you use a large portion of your exemption now, you have less available later. Some people use this to plan: they give away money or property while the exemption is high, file the forms, and owe no tax. After 2025, the exemption shrinks, but the gifts they made are locked in at the old, higher exemption level.

Married couples and gift splitting

Gift splitting allows a married couple to combine their annual exclusions and lifetime exemptions for gift tax purposes. If one spouse gives a gift, both spouses can treat it as if each gave half, even if only one spouse actually gave the money. This doubles the annual exclusion from $18,000 to $36,000 per recipient per year.

To use gift splitting, both spouses must consent, and the spouse who did not give the gift must file Form 709 along with the spouse who did. If one spouse gives $50,000 to a child in 2024, and they elect to split the gift, it is treated as each spouse giving $25,000. Each spouse's $18,000 annual exclusion applies, so only $14,000 total counts toward gift tax ($50,000 minus $36,000). Gift splitting is optional each year; you do not have to split every gift, only the ones that benefit from it.

Frequently Asked Questions

Do I have to file Form 709 if I do not owe any tax?

Yes, if you give any one person more than $18,000 in a calendar year, you must file Form 709 with your tax return, even if you owe no tax because of your lifetime exemption. The form reports the gift and preserves your exemption record with the IRS. Failing to file can cause problems later when you actually do exceed your exemption.

What if I give someone a loan instead of a gift?

A loan is not a gift if you have a written promissory note, charge interest at least equal to the IRS minimum rate (the applicable federal rate), and the borrower actually repays you. If you lend money with no written agreement or no interest, the IRS may treat it as a gift. If you forgive the loan later, that forgiveness is a gift in the year you forgive it.

Does paying someone's credit card bill count as a gift?

If you pay someone's credit card bill directly to the credit card company, it counts as a gift of the amount you paid. If you give the person cash and they use it to pay the bill, it is still a gift. The only way to avoid gift tax treatment is to pay a medical provider or school directly, which are the two exceptions to the gift tax rules.

What if I give gifts in multiple states or countries?

Gift tax is federal only; there is no state gift tax in most states. You calculate based on the total gifts you give to all people, regardless of where they live or where the property is located. The annual exclusion and lifetime exemption explore to all your gifts worldwide in a calendar year.

Does the lifetime exemption reset after I die?

No. Your lifetime exemption and any gifts you reported on Form 709 are added to your estate when you die. If you used $2 million of your exemption during life, your estate has $2 million less exemption available. This is why the exemption is called "lifetime" — it covers both gifts during life and property transferred at death.