This amortization calculator estimates the monthly payment on a general fixed rate amortizing loan. Enter principal, annual rate, and term in months. The result includes payment, total paid, and total interest.
It sits beside other Multicalify loan tools. For the main personal loan entry point, use the loan calculator. For home loans framed in years, prefer the mortgage amortization calculator or the mortgage calculator.
How the math works
Monthly rate equals annual rate divided by 100 then by 12. Payment is the standard amortizing PMT on principal, monthly rate, and months. Total paid equals payment times months. Interest equals total paid minus principal.
Worked example
Principal $20,000, rate 7 percent, 60 months. Payment is about $396.02. Total paid is about $23,761. Interest is about $3,761.
| Input | Value |
|---|---|
| Principal | $20,000 |
| Rate | 7% |
| Months | 60 |
| Monthly payment | ~$396.02 |
When to use this page
- Personal or installment loans quoted in months
- Auto purchase loans (not leases)
- Quick amortization checks when you already think in month counts
Choosing the right loan tool
Use mortgage specific pages when the product is a home mortgage and the term is naturally in years. Use the loan calculator when you want the primary loan payment URL. Use this amortization calculator when you want general amortization wording with months as the term unit. Use business loan calculator when the story is commercial borrowing.
Common mistakes
- Entering years into the months field
- Comparing a lease payment to an amortizing loan payment
- Ignoring fees that change true cost
- Assuming variable rate loans stay at the entered rate
Reading total interest beside payment
Payment comfort is only half the story. Two loans with similar payments can hide different interest totals if terms differ. Always glance at total interest from the calculator when you stretch term length to lower the monthly amount.
If total interest feels high, try a shorter month count or a larger down payment that reduces principal. Recalculate after each change so you see both payment and interest move together.
Where this page fits in the Multicalify loan set
The loan calculator is the primary personal loan payment page most shoppers want first. Mortgage amortization and mortgage calculator pages are home loan oriented and usually think in years. Business loan calculator speaks to commercial borrowing. This amortization calculator is the general months based amortizing payment view.
Linking those tools in your own notes prevents mixing lease money factors with loan PMT math or mixing Canadian semi-annual quotes with U.S. monthly/12 quotes.
- Auto purchase loan: general amortization or loan calculator.
- Auto lease: auto lease calculator.
- Home mortgage: mortgage calculator or mortgage amortization calculator.
- Fee shopping: APR calculator beside any of the payment tools.
Plain amortizing loans are common, but not universal. If your contract has a balloon, interest only window, or varying payment, ask for a lender schedule. This page assumes a level payment fully amortizing structure and will not invent those special features for you.
Revisit the numbers when rate offers change during shopping. A week old estimate can be stale in a moving rate market, and small rate gaps matter more on larger principals.
Early payoff intuition
Because early payments are interest heavy, large principal cuts in the first year save more interest than the same cuts in the final year. You do not need a full table to act on that idea. If you plan extras, apply them early when possible and verify the new payoff horizon with a payoff oriented tool.
Keep statements so you can see whether extras posted to principal as instructed.
Practical review steps
Before you rely on the result, recheck each input against a source document such as a statement, quote, or measurement note. Run one optimistic case and one cautious case so you see how sensitive the answer is. Save the inputs beside the output so you can explain the estimate later without guessing what you typed.
If a related Multicalify tool answers a neighboring question better, open that tool rather than forcing this page to do the wrong job. Clear tool boundaries keep results easier to trust and easier to explain to someone else who was not present when you calculated.
Limitations
Interest only periods, balloons, and negative amortization are not included. Confirm schedules with the lender when the structure is not a plain fixed amortizing loan.