How much gain can you defer — and what do you need to reinvest?
Estimate your deferred gain, taxable "boot," and the deadlines that matter, based on the sale of your current property and your target replacement.
Relinquished Property Details (optional)
Closing Date & Deadlines
The Sale (Relinquished Property)
The Replacement Property
Tax Rates
45-Day Identification Deadline
Must identify replacement propert(y/ies) by this date
180-Day Exchange Deadline
Must close on replacement propert(y/ies) by this date
Gain & Deferral
Net sale price
Adjusted cost basis
Realized gain
Taxable boot recognized
Deferred gain
Estimated tax if boot recognized
Reinvestment Snapshot
Equity from sale (proceeds after payoff)
Replacement down payment
Relinquished mortgage payoff
Replacement loan amount
Cash needed at replacement closing
To Fully Defer All Gain
This tool provides general, educational estimates only and is not tax or legal advice. 1031 exchange rules are complex and fact-specific — work with a Qualified Intermediary and a CPA before initiating any exchange. Deadlines shown are calendar-day estimates from the closing date entered; confirm exact dates with your Qualified Intermediary.