Enter the current balance
Add your remaining loan balance, annual interest rate, remaining term, and optional current monthly payment.
Loan payoff calculator
Free Loan Payoff Calculator
Use this free loan payoff calculator to estimate your payoff date, total interest, interest savings, and debt-free timeline. Add extra monthly payments, a one-time lump sum, or your current monthly payment to compare how quickly you could pay off a loan early.
Early payoff date
Interest savings
Lump sum payments
Excel schedule
Early payoff planning
Loan payoff calculator with extra payments and lump sums
A payoff calculator starts with the current balance, rate, remaining term, and payment plan. It then compares the original schedule against extra principal payments so you can see estimated payoff months, interest saved, and total cost.
Use this page as an early loan payoff calculator, loan payoff calculator with extra payments, extra payment calculator, extra principal payment calculator, debt-free date calculator, or interest savings calculator for a standard fixed-rate installment loan.
How it works
Calculate an early payoff date in three steps
Add payoff money
Test monthly extra principal, a one-time lump sum, or both to estimate interest savings.
Review the payoff schedule
See payoff date, months saved, total interest, full monthly schedule, PDF print, and Excel export.
Clear comparison
Extra payment calculator examples
| Example: $30,000 at 9% for 5 years | Payoff time | Total interest | Interest saved |
|---|---|---|---|
| No extra payment | 60 months | $7,365.04 | $0 |
| $100 extra monthly | 50 months | $6,076.25 | $1,288.79 |
| $250 extra monthly | 40 months | $4,824.29 | $2,540.75 |
| $5,000 one-time extra in month 1 | 49 months | $4,909.51 | $2,455.53 |
Examples assume fixed monthly payments and extra money applied to principal. Actual lender payoff quotes can differ because of daily interest, fees, payment dates, rounding, and prepayment rules.
Payoff strategy
Monthly extra payments vs one-time lump sum
Steady progress
Monthly extra payment
- Best for
- Borrowers with reliable monthly cash flow.
- Effect
- More principal is reduced every month, lowering future interest.
- Watch
- Make sure extra money is applied to principal, not future installments.
Big balance drop
One-time lump sum
- Best for
- Bonus, tax refund, sale proceeds, or savings already set aside.
- Effect
- Can immediately reduce principal and shorten the remaining schedule.
- Watch
- Keep emergency savings and confirm the lender accepts principal prepayments.
Balanced option
Monthly plus lump sum
- Best for
- Borrowers who want a faster debt-free date.
- Effect
- Combines steady principal reduction with a one-time balance reduction.
- Watch
- Compare the saved interest against other uses for the cash.
Before paying extra
Questions to check before you pay off a loan early
| Prepayment rules | Check whether the loan has a prepayment penalty, minimum interest charge, or special payoff process. The CFPB notes that some mortgages can include a prepayment penalty, so the loan contract matters. |
|---|---|
| Principal allocation | Ask how to mark an extra payment so it reduces principal instead of being treated as a future scheduled payment. |
| Emergency savings | A lower balance is helpful, but keeping enough cash for emergencies may matter more than a slightly earlier payoff date. |
| Higher-interest debt | Compare the payoff savings against credit cards or other debts with higher rates. |
| Official payoff quote | Use the calculator for planning, then request a lender payoff quote before sending final money. |
Personal loan payoff calculator
Estimate how a higher monthly payment, extra principal, or lump sum could reduce total interest on a standard fixed personal loan.
Home loan payoff calculator
Use the payoff view for principal-and-interest repayment planning. Use the mortgage calculator when you also need taxes, insurance, PMI, or HOA costs.
Debt-free date calculator
Compare payoff dates before and after extra payments so you can see whether a new monthly target is realistic for your budget.
FAQ
Loan Payoff Calculator FAQs
How does a loan payoff calculator work?
It estimates a payoff schedule from the balance, rate, remaining term, and payment plan, then compares the result against extra principal payments.
Can extra payments help pay off a loan early?
Yes, when the lender applies extra money to principal. Extra principal reduces the balance, which can reduce future interest and shorten the schedule.
Is a lump sum better than monthly extra payments?
It depends on timing, cash flow, and lender rules. A lump sum can reduce the balance quickly, while monthly extras build steady progress.
Should I use my current monthly payment?
If you already have a loan, enter your current scheduled monthly payment. If you leave it blank, the calculator estimates a scheduled payment from balance, rate, and remaining term.
Is this the same as an official payoff quote?
No. The calculator is a planning estimate. Ask the lender for an official payoff quote before sending final payoff funds.
Guides
Loan math without guesswork
Plain-English calculator notes for EMI, car payments, interest, amortization, payoff timing, and schedule exports.
What is EMI? Meaning, formula, and example
Learn how equated monthly installments work, what changes a payment, and how flat and reducing interest differ.
Read guide →What is an amortization schedule?
Learn how to read principal, interest, balance, extra payments, and payoff timing in a loan schedule.
Read guide →Compare personal loan payment and interest
Test amount, rate, term, fees, and extra principal before comparing lender offers.
Read guide →Need the full amortization table?
Open the amortization schedule calculator to see monthly rows, yearly summaries, extra payments, and exportable loan tables.
Open amortization schedule →