
Estimate the tax exposure, then carry the same transaction into gain, boot, basis, reinvestment, deadline, identification, or DST allocation worksheets.
Each calculator exposes its inputs, intermediate figures, limitations, and the transaction documents needed for a useful professional review.

Estimate realized, recognized, and deferred gain using entered amount realized, adjusted basis, exchange expenses, and boot components.
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Organize cash, non-like-kind property, and liability changes that may create boot in a Section 1031 exchange.
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Build an adjusted-basis worksheet from original basis, capital improvements, depreciation, and documented basis adjustments.
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Estimate exchange equity, replacement value, replacement debt, and potential reinvestment shortfalls before choosing replacement property.
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Calculate the standard 45-day identification and 180-day exchange deadlines from the relinquished-property transfer date, with return-due-date warnings.
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Organize candidate replacement properties under the three-property, 200-percent, and 95-percent identification rules.
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Calculate DST and direct-property equity allocations, debt replacement, reserves, and remaining exchange funds.
Open calculatorUse the homepage estimator and adjusted-basis worksheet before a listing or contract. The earlier calculation should expose missing depreciation schedules, improvement records, debt assumptions, and an unrealistic replacement budget while the owner still has time to respond.
Confirm the qualified intermediary before closing, calculate the working deadlines, set value and equity targets, and identify where cash or liability changes could create boot. Keep primary and backup replacement paths tied to the same numbers.
Bring the sale, basis, debt, replacement, and deadline facts you have. The review can organize deferral strategies, possible boot, and the assumptions that need CPA, attorney, qualified-intermediary, or securities review.