What is a repossession (installment) calculator?

A repossession (installment) calculator is a free online tool that helps you calculate gain and new basis on repossession from an installment-payment sale. Same engine as deferred-payment repossession — applies to installment notes. It runs entirely in your browser with instant results and no sign-up.

Is this a substitute for an accountant?

No — these calculators provide quick estimates for planning and decisions. For tax filings, financial reporting, or formal valuations, use a CPA / CFA.

What accounting basis is assumed?

Most ratios assume GAAP figures from financial statements. For cash-basis or tax-basis filings, adjust the inputs accordingly.

How current are the formulas?

Core finance formulas (DCF, IRR, depreciation methods, payment math) are stable. Tax-specific calculators (like-kind, repossession) reflect post-TCJA / 2025 rules where applicable.

Free repossession (installment) calculator

How it's calculated

How the repossession (installment) works

Same engine as deferred-payment repossession — applies to installment notes.

gain = max(0, payments received − basis − repo costs)

Source: standard managerial finance / accounting textbooks.

Accuracy

How accurate is this repossession (installment)?

Every formula on this site comes from an established, published source for its field — standard references in mathematics, finance, health, and engineering, not invented in-house. The math is implemented as a pure TypeScript function and tested against published reference values before going live. See the Methodology page for the full sourcing process.

Results are mathematically correct for the inputs provided. They are estimates only— real-world outcomes depend on factors specific to your situation, such as fees, taxes, timing, local rules, and assumptions that can change after the calculation date. See the Disclaimer for the limits on what to rely on a result for.

These pair naturally with this one for decisions that sit nearby.

Questions

Frequently asked questions about the free repossession (installment) calculator

What is a repossession (installment) calculator?
A repossession (installment) calculator is a free online tool that helps you calculate gain and new basis on repossession from an installment-payment sale. Same engine as deferred-payment repossession — applies to installment notes. It runs entirely in your browser with instant results and no sign-up.
Is this a substitute for an accountant?
No — these calculators provide quick estimates for planning and decisions. For tax filings, financial reporting, or formal valuations, use a CPA / CFA.
What accounting basis is assumed?
Most ratios assume GAAP figures from financial statements. For cash-basis or tax-basis filings, adjust the inputs accordingly.
How current are the formulas?
Core finance formulas (DCF, IRR, depreciation methods, payment math) are stable. Tax-specific calculators (like-kind, repossession) reflect post-TCJA / 2025 rules where applicable.