Finance category
Mortgage, loan, investing, tax, and money calculators.
Boot Basis Calculator
Boot in 1031 exchange creates taxable gain. This calculator sizes exposure.
Taxable boot
$225,000
Total gain
$1,700,000
Total boot
$225,000
How the math works
Total boot = cash + debt relieved. Taxable boot = min(gain, boot).
Structure exchanges to consume all boot via additional investment. A $150k cash boot at a combined 28-30% rate is $42-45k in taxes; adding that amount to replacement property equity creates a better asset and avoids the tax event. Almost always the right call.
How to Use
- Enter relinquished property sale price.
- Enter relinquished basis.
- Enter replacement property cost.
- Enter cash received (boot).
- Enter debt relieved.
- Read taxable boot.
Frequently Asked Questions
Types of boot?
Cash boot: cash or equivalent received in exchange. Mortgage boot: mortgage relief (old debt higher than new debt). Both trigger partial taxable gain. To fully defer: replace equal or higher value AND equal or higher debt AND reinvest all cash.
Tax treatment?
Boot taxable up to gain amount. Gain = sale price − basis. Boot exceeding gain not taxable (just not deferred). Capital gain rates (20% fed + state + 3.8% NIIT). Can be depreciation recapture on depreciated property (25% fed rate on recapture portion).
Avoiding boot?
Trade up: higher value + higher debt. Reinvest 100% cash. Add own cash if needed to match debt profile. Structure as multi-property exchange. Boot avoidance typically saves 25-30% in immediate taxes.
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