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Period principal repayment — Debt Service Coverage Calculator

Debt Service Coverage: Calculate period principal repayment (same currency) from Cash available for debt service (same currency), Coverage ratio, Period interest payment (same currency). Check the formula, input units and worked result on this page.

Enter your values

Formula symbol: cash. Enter a numeric value. Must be greater than zero.
x
Formula symbol: coverage. Required unit: x. Must be greater than zero.
Formula symbol: interest. Enter a numeric value. Must be greater than zero.

Use a decimal point, without thousands separators.

Calculation assumptions

Cash definition and payment period must match. This input-based ratio is not a covenant decision or repayment guarantee; unentered balloon payments are excluded. All monetary inputs must use the same currency; currency conversion, tax and automatic fees are excluded. The source explains principal plus interest in debt service and comparison with operating amounts from the same period. You define this tool’s cash input; the source’s specific property-income calculation is not applied automatically.

Example result
Period principal repayment (same currency)
4,000

The initial result uses the example values. Enter your own values and calculate again.

Edit inputs

How it works

Operating cash available for debt service is divided by principal and interest due in the same period. This form solves for period principal repayment (same currency); enter the known quantities in Cash available for debt service (same currency), Coverage ratio, Period interest payment (same currency).

Inputs and units
Period principal repayment — Debt Service Coverage Calculator · Inputs and units
InputExample valueWhat to enter
Cash available for debt service (same currency)10,000Formula symbol: cash. Enter a numeric value. Must be greater than zero.
Coverage ratio2 xFormula symbol: coverage. Required unit: x. Must be greater than zero.
Period interest payment (same currency)1,000Formula symbol: interest. Enter a numeric value. Must be greater than zero.
principal = ((cash / coverage) - interest)

Worked example

Show example inputs and results

This example is generated by the same calculation engine using the starting values in the form. Your own inputs produce your own result.

Cash available for debt service (same currency)
10,000
Coverage ratio
2 x
Period interest payment (same currency)
1,000

Complete example results

Period principal repayment (same currency)
4,000

Reading the result

The result solves for period principal repayment (same currency) from the entered quantities. Check the result unit and the formula conditions before using it.

Questions and answers

Can I use the example values for my own calculation?

The example values illustrate the calculation. Replace every input with your own information, especially dates, rates and the selected operation.

When can I use the period principal repayment (same currency) result?

Cash definition and payment period must match. This input-based ratio is not a covenant decision or repayment guarantee; unentered balloon payments are excluded. All monetary inputs must use the same currency; currency conversion, tax and automatic fees are excluded. The source explains principal plus interest in debt service and comparison with operating amounts from the same period. You define this tool’s cash input; the source’s specific property-income calculation is not applied automatically.

Why are some results rounded?

Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.

Are my inputs sent to a server?

The calculator processes inputs in your browser. Its code does not send your values to a server.

Method sources: occ.ustreas.gov

Methods & accuracy

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