Flat Rate Loan Calculator

Flat Rate Loan Calculator lets you flat interest is charged on the initial principal for the whole term. Enter your own values or load the worked example.

Method and calculation

Flat interest is charged on the initial principal for the whole term.

Inputs and settings

Flat Rate Loan Calculator accepts Principal (minimum 0); Annual rate (%) (minimum 0, maximum 1000); Term (years) (minimum 0.000001).

Worked example

Flat Rate Loan Calculator example — Principal: 10000; Annual rate (%): 8; Term (years): 3. Computed output: { "interest": 2400, "monthlyPayment": 344.44444444444446 }

Output and limitations

Flat Rate Loan Calculator: Use finite inputs. Results use double-precision arithmetic.

Technical references: JavaScript numerical operations

Flat Rate Loan Calculator FAQs

Flat Rate Loan Calculator applies the following rule to your input: Flat interest is charged on the initial principal for the whole term. The worked example on this page uses the same processor as the result button.
Flat Rate Loan Calculator has these boundaries: Use finite inputs. Results use double-precision arithmetic. Start by checking the principal field against the units or format shown.
Flat Rate Loan Calculator provides this sample: { "interest": 2400, "monthlyPayment": 344.44444444444446 }. Use the sample button to reproduce it, then replace the inputs with your own values.