APR estimate · monthly cash flows

APR estimate · monthly cash flows: use loan principal, nominal annual interest rate, number of monthly payments. Review the formula, worked example and calculation steps.

Inputs

Use the units shown

Scenario estimate using the assumptions shown. Verify costs and rates with your provider; this is not a guaranteed return or lending decision.

RESULT
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Enter your values and select Calculate.

Formula & explanation
Net advance = principal − fees; effective annual rate = (1+r_monthly)¹²−1

Variables & units

Loan principal
currency · minimum 0.01, maximum 1000000000000
Nominal annual interest rate
% · minimum 0, maximum 100
Number of monthly payments
months · minimum 1, maximum 600
Upfront fees withheld
currency · minimum 0, maximum 1000000000000

Worked example

With no fees and 0% interest the effective annual rate is 0%.

Assumptions

An effective-rate cash-flow estimate, not the regulated APR disclosed under any country’s lending rules. Assumes equally spaced monthly payments.

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

Use the default input values to find the answer. The reset icon restores those values.

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