Lump Sum vs Annuity Calculator

Lump Sum vs Annuity Calculator helps you stress-test lump sum vs annuity before you sign paperwork or change autopay. You can compare rate and term side by side without sending data off this page.

Lump sum vs annuity

Enter values to calculate.

How this is calculated

We treat your balance, annual rate, and term the same way amortizing loans are modeled in finance class: each period interest accrues on the remaining principal, then your payment chips away principal until the balance hits zero.

When the tool also asks for fees or extras, we fold those into totals so you can compare apples-to-apples with a lender quote.

If you see a payoff or savings line, it is the difference between schedules—not tax advice.

Use this tool for

  • Building a household budget line item for a new car or renovation loan.
  • Explaining amortization to a co-borrower before you e-sign disclosures.
  • Sanity-checking an amortization table embedded in a PDF quote.

Common questions

Which inputs matter most for Lump Sum vs Annuity Calculator?

Principal, rate, and horizon usually dominate payment and growth tools; tax tools care about filing status and geography when those fields exist.

Can I use Lump Sum vs Annuity Calculator offline?