Payment Calculator
Part of Personal loans. Use this payment calculator to estimate monthly obligations and compare repayment affordability before selecting a loan term.
Payment Calculator
Estimate a level monthly payment for a fixed term, or enter a fixed payment to see how long it takes to pay off the loan at your rate.
Payment estimate
Monthly Payment$1,687.71
Total of 180 Payments$303,788.46
Total Interest$103,788.46
Principal 65.84% · Interest 34.16%
You will need to pay $1,687.71 every month for 15 years to payoff the debt.
Explore loan payment by amount
Dedicated pages for common loan sizes—adjust APR and term on each page.
How the Payment Calculator works
Payment Calculator
This payment calculator models a standard fixed-rate amortizing loan with monthly payments. It supports two common planning modes: fixed term (solve for payment) and fixed payment (solve for payoff time).
Fixed Term vs Fixed Payments
Fixed Term
You enter loan amount, interest rate, and a repayment horizon. The calculator outputs the level monthly payment required to fully amortize the loan by the end of the term, along with total interest and a principal versus interest breakdown.
Fixed Payments
You enter loan amount, interest rate, and a monthly payment you intend to make. The calculator estimates how many months are required to reach a zero balance, assuming the payment stays constant and the loan amortizes monthly at the stated rate.
What the Schedule Shows
The amortization schedule summarizes how each period allocates dollars to interest versus principal, and how the remaining balance declines over time. Annual view aggregates monthly math into year-by-year totals; monthly view shows each payment period.
Important Limitations
- Results assume a level payment schedule and do not model variable rates, skipped payments, fees, or taxes.
- Real lender rounding, payment timing, and day-count conventions can produce small differences versus this estimate.
- If a fixed payment is too low to reduce principal after interest, payoff is not reachable at that payment amount.
Practical Usage Tips
- Compare at least two terms (for example 15 years vs 30 years) before choosing a structure.
- When testing fixed payments, increase the payment until the payoff timeline matches your goal.
- Pair payment estimates with an emergency fund plan so the payment remains sustainable through income variability.
Use this payment calculator as a planning baseline. For binding decisions, validate assumptions with lender disclosures and your own budget stress tests.
Frequently asked questions
What does the payment calculator estimate?
It estimates level monthly payments for a fixed loan term, or— in fixed-payment mode—how long payoff may take when you enter a target monthly payment and interest rate.
What is the difference between fixed term and fixed payments?
Fixed term solves for the payment needed to repay principal and interest over a set number of months or years. Fixed payments holds your monthly payment constant and estimates how many months are required to reach a zero balance.
Does this calculator include taxes, insurance, or fees?
No. It models principal and interest on the loan amount and rate you enter. Escrow items, origination fees, and lender-specific charges are not included unless you adjust inputs manually.
Why might my lender’s payment differ from this estimate?
Lenders may round differently, use alternate day-count conventions, include financed fees, or apply promotional rates. Use this tool for comparison and budgeting, then confirm with your loan estimate or disclosure.
Can I view an amortization schedule?
Yes. After you calculate, you can open annual or monthly schedules showing how principal, interest, and balance change over time for the scenario you modeled.
How accurate is this payment calculator?
It uses standard fixed-rate amortization math and is solid for planning. Final contractual payments can still differ based on fees and lender-specific terms.
Is this payment calculator free to use?
Yes. LoanToolsHub calculators are free, require no signup, and run in your browser.