Installment Sale Tax Calculator
Spread capital gain tax over multiple years with installment method.
Gross Profit Ratio
Contract Price:$ 500000
Gross Profit:$ 200000
Ratio:40.0%
Each payment taxed at this ratio as capital gain.
Payment Schedule
| Year | Payment | Principal | Interest | Gain | Tax |
|---|---|---|---|---|---|
| 2024 | $ 100000 | $ 70000 | $ 30000 | $ 28000 | $ 11400 |
| 2025 | $ 100000 | $ 74200 | $ 25800 | $ 29680 | $ 10644 |
| 2026 | $ 100000 | $ 78652 | $ 21348 | $ 31461 | $ 9843 |
| 2027 | $ 100000 | $ 83371 | $ 16629 | $ 33348 | $ 8993 |
| 2028 | $ 100000 | $ 88373 | $ 11627 | $ 35349 | $ 8093 |
Interest taxed as ordinary income. Principal portion taxed as capital gain.
Summary
Total Payments:$ 500000
Total Interest:$ 105403
Total Tax:$ 48973
Lump Sum Tax:$ 30000
Year 1 Tax:$ 11400
Tax Deferral Benefit
Deferred to Future:$ 18600
Installment sale spreads tax over 5 years, deferring $18600 in taxes. Consider time value of money.
Eligibility Rules
Eligible: Most property sales qualify except inventory, marketable securities
Ineligible: Inventory, stocks/bonds publicly traded, depreciation recapture
Limitation: Depreciation recapture cannot be spread - taxed in year 1
Benefits
- Spread capital gain over multiple years
- Potential for lower tax brackets each year
- Time value of money advantage
- Interest income on deferred payments
- Flexibility in timing income recognition
Risks & Key Points
- Buyer default risk - may not receive all payments
- Interest taxed as ordinary income
- Tax rates may change in future years
- State tax treatment may differ
- Real estate market fluctuations
- Form 6252 for reporting
- Elect installment method annually
- Gross profit ratio stays fixed
- Interest required by IRS rules