Paycheck Protection Program Calculator

Written by Great Medico

Updated September 25, 2026 •3 min read

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Small changes in rates, timing, or balances can change a finance result quickly. Paycheck Protection Program Calculator recreates the Paycheck Protection Program from the eligibility, income, household, benefit, or program amounts entered, so you can test the scenario instead of relying on a vague rule of thumb.

What this calculator does

Paycheck Protection Program Calculator recreates the Paycheck Protection Program from the eligibility, income, household, benefit, or program amounts entered. The form asks for average monthly payroll cost, ppp payroll multiplier, eidl advance to subtract and payroll cost forgiveness requirement. The result should therefore be read as a calculation from those displayed assumptions, not as live market, lender, tax, or government-program data unless the page explicitly supplies such a feed.

How to use it

Enter Average monthly payroll cost, PPP payroll multiplier, EIDL advance to subtract and Payroll cost forgiveness requirement. Keep monetary inputs in one currency; the currency selector formats results and does not convert exchange rates. Enter rates and percentages on the scale shown by the field label; do not silently switch between a decimal and a percent. Keep time values in the period shown on the form so a monthly figure is not accidentally entered as an annual one or vice versa. Before calculating, recheck Average monthly payroll cost, PPP payroll multiplier, EIDL advance to subtract against the source values you intend to model. If a default value is already filled in, confirm that it matches the scenario you actually want to test rather than assuming the preset is current or personally appropriate.

How the calculation works

Historical PPP modeled loan amount = average monthly payroll × entered payroll multiplier − entered EIDL advance, floored at zero. The payroll-forgiveness percentage is displayed as a historical requirement assumption rather than used to recalculate the loan amount. This is the calculation method to use when checking the result from Paycheck Protection Program Calculator; values not represented by a visible input should not be inferred as part of the model.

Example

With $50,000 of average monthly payroll, a 2.5× multiplier, and no EIDL advance, the modeled PPP loan amount is $125,000. The 60% payroll-cost figure is shown as a forgiveness-condition reference, not as a deduction from the loan amount.

How to interpret the result

The output answers “what would this historical formula produce under these inputs?” It does not indicate that a current payment, application window, or entitlement exists today. If the number changes sharply, trace that change to the rate, balance, time horizon, or threshold that changed.

Limitations and notes

PPP ended on May 31, 2021. Existing borrowers may still deal with forgiveness or servicing, but this calculator must not be used as a current PPP application or eligibility tool. For a real transaction, compare the estimate with the contract, lender disclosure, plan document, tax guidance, or official program rule that governs it.