Finance
Loan payment
Estimate monthly payments and total interest.
Calculators / Finance / Payment capacity
Payment capacity calculator
Estimate the loan principal supported by a fixed payment, rate and term.
On this page
Supported principal25,862.78
Calculator controls
How to calculate
Estimate the loan principal supported by a fixed payment, rate and term.
Principal is the present value of the payment stream; zero-interest handling is provided by the loan calculator. Use the loan calculator when APR is zero.
Worked example
Monthly payment: 500; Annual interest (%): 6; Number of payments: 60.
Supported principal: 25,862.78 .
Assumptions and limits
Enter the contractual rate and payment frequency consistently. Fees and insurance are not included.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
Estimate the loan principal supported by a fixed payment, rate and term. The displayed figures use the inputs and formula shown on this page.
When this tool is useful
Use the payment capacity to compare a scenario, check an estimate, or verify a manual calculation.
Understanding your inputs
| Input | What to enter |
|---|---|
| Monthly payment | Enter a number of at least 0.000001 and no more than 1000000000000. |
| Annual interest (%) | Enter a number of at least 0.000001 and no more than 100. |
| Number of payments | Enter a number of at least 1 and no more than 1200. |
Frequently asked questions
What should I check before using the payment capacity result?
Enter the contractual rate and payment frequency consistently. Fees and insurance are not included.
Is this payment capacity result exact?
It is exact for the stated mathematical model and entered values. Real-world results can differ when rates, timing, fees, definitions or measurement conditions differ.