Home Sale Gain and Exclusion Calculator
Estimate home-sale gain from complete adjusted basis and externally confirmed Section 121 limits. Taxable gain is not the tax bill.
What This Calculator Does
Build a U.S. home-sale gain and exclusion ledger using a complete adjusted basis, eligible selling costs and an exclusion limit already determined outside this tool. Enter any total non-excludable gain separately. The result separates gain, the selected limit, the exclusion actually used and taxable gain; it does not calculate tax owed or decide eligibility.
Who Is This For
Home sellers and real-estate professionals in Florida reviewing documented U.S. tax assumptions with a tax adviser. Use amounts for the same taxpayer and ownership interest. This tool neither allocates ownership shares nor replaces a basis determination, tax return or closing statement.
How It Works
Enter the sale price, eligible selling costs and your full adjusted basis in dollars, using 0 where it applies. Choose no exclusion, a confirmed full limit or a partial limit determined outside this tool; enter the partial amount only in that mode. Enter the TOTAL part of the gain that can't be excluded, or 0 if none applies. Tick the confirmation and review all eight results. Don't subtract depreciation twice, and don't read a taxable gain of zero as zero actual tax.
Frequently Asked Questions
Does taxable gain mean the tax I owe?
No. Amount realized is sale price minus eligible selling costs; gain is that amount minus complete adjusted basis. The selected Section 121 limit applies only to eligible positive gain. Taxable gain is what remains, not a tax amount. Tax rates, NIIT, FIRPTA withholding and state taxes are not calculated, and no zero-tax or refund conclusion follows.
What belongs in complete adjusted basis?
Use the applicable original basis plus eligible original acquisition costs and capital improvements, less all required reductions, including allowed or allowable depreciation. Not all loan or closing charges qualify. Example: purchase $400,000 plus eligible acquisition costs $10,000 plus improvements $50,000 gives basis $460,000. Sale $800,000 minus selling costs $40,000 then gives gain $300,000. A confirmed $250,000 limit with no non-excludable part leaves taxable gain $50,000—not tax owed.
When may I select a full $250,000 or $500,000 limit?
Only after qualification has been established outside the tool. Generally, ownership AND main-home use must each total at least 2 years in the 5-year period ending at sale, with no Section 121 exclusion on another sale in the previous 2 years. For the full joint-return limit, at least one spouse meets the ownership test; both meet the use test and the prior-exclusion restriction. Filing jointly alone is not enough. Surviving-spouse rules and other exceptions require separate determination.
Does the tool calculate a partial exclusion?
No. A reduced limit for a job change, health, unforeseen circumstances or another exception must be determined outside this tool. Choose the partial mode and enter that confirmed amount, including 0 if that is the limit determined. The calculator only applies the limit you enter; it doesn't count qualifying days or approve an exception.
How do depreciation and nonqualified use affect this ledger?
Enter the externally determined TOTAL non-excludable gain, including applicable allowed or allowable depreciation for periods after May 6, 1997 and nonqualified-use allocations without double counting. With basis $270,000, sale $500,000 and no selling costs, gain is $230,000. If total non-excludable gain is $30,000, eligible gain is $200,000; a confirmed $250,000 limit excludes $200,000 and leaves $30,000 taxable. Basis already reflects depreciation; do not deduct it again. The model does not compute recapture tax or home-office allocations.
What if I have a loss, inherited basis or zero taxable gain?
A loss remains negative, but a personal-residence loss is generally not deductible and does not imply a refund or credit. With no positive gain, enter 0 non-excludable gain; the applied exclusion and taxable gain are 0. Inherited or gifted property requires the correct outside basis determination, not a zero-basis shortcut. Zero taxable gain does not establish zero tax or FIRPTA withholding, and mortgage payoff does not reduce gain here.