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624 loan calculators · the formula on every page · no sign-up

What will this loan cost you each month?

Type an amount, a rate and a term. The payment, the total interest and the year-by-year split update as you type.

Monthly payment$25,000 at 7.5% APR over 5 years

$500.95

Total interest
$5,056.96
16.8% of all you pay
Total of payments
$30,056.96
Principal plus interest
Paid off in
5 years
First month's interest $156.25

Estimate for education, not financial advice. Fixed rate, monthly payments, no fees or insurance. Formula

Where the money goes, year by year

Monthly schedule and CSV →
Principal and interest paid each year, and the balance leftBars: principal (solid) and interest (light) paid in each loan year, left scale. Line: balance at the end of each year, right scale. The table below lists the same numbers.$8k$40k$6k$30k$4k$20k$2k$10k$0$012345Loan year
Principal Interest (bars, left scale) Balance at year end (line, right scale). Computed from your inputs; table below.
Amortization by loan year
YearPaidPrincipalInterestBalance
1$6,011.40$4,281.59$1,729.81$20,718.41
2$6,011.40$4,613.97$1,397.43$16,104.44
3$6,011.40$4,972.18$1,039.22$11,132.26
4$6,011.40$5,358.16$653.24$5,774.10
5$6,011.36$5,774.10$237.26$0.00

Eight sections of calculators

See every section →

Calculators to start with

See all 624 →
  1. 01Loan Payment Calculator: Monthly Payment, Total Interest and CostLoan payments$405.53
  2. 02Loan Amortization Schedule Calculator: Balance After Any PaymentAmortization and balances$197,543.98
  3. 03APR Calculator: The True Rate of a Loan With FeesInterest and APR12.542 %
  4. 04Student Loan Payment Calculator: Standard Monthly PaymentStudent loans$388.57
  5. 05Extra Payments on a Loan Calculator: Months and Interest SavedPayoff, extra payments and refinance11 months
  6. 06Refinance Calculator: New Payment, Monthly Saving and Break-EvenPayoff, extra payments and refinance$28.00
  7. 07Mortgage Calculator With Escrow: Payment With Tax and InsuranceMortgage and home equity$2,244.79
  8. 08Car Loan Calculator With Down Payment: Monthly Car PaymentAuto loans$561.06
  9. 09Personal Loan Calculator With Origination Fee: Payment, Cash and APRPersonal loans, debt and budget$491.08
  10. 10Credit Card Payoff Calculator: Months to Pay Off and InterestPersonal loans, debt and budget34 months

How every number here is worked out

Formulas and assumptions →
  1. 01Standard formulaEach page uses the textbook annuity or interest formula and prints it, with every variable defined.
  2. 02Assumptions statedFixed rate, monthly compounding unless a page says otherwise; fees, taxes and insurance only where you enter them.
  3. 03Checked twiceCalculators are tested against an independent calculation on known cases before they are published.
  4. 04No advice, no offersNo lender ads, no rate quotes, no recommendations. Use the numbers to compare and ask your lender for the exact figures.