Calculators
Forfettario Snapshot
Quick estimates for planning only. Always verify current INPS rates, coefficients and deadlines before filing.
Annual burden estimate
The ordinary substitute tax rate is 15%. The 5% rate applies in the opening tax year and the following four only if the new-activity conditions are met; opening a Partita IVA alone is not enough.
Enter contributions actually paid in this year and deductible for this activity. Estimated INPS due is calculated separately. The 26.07% example is for Gestione Separata professionals without another compulsory pension scheme or pension; verify your category, coefficient and contribution ceiling.
Income before contributions
€30,150.00
Substitute tax base
€30,150.00
Estimated INPS due
€7,860.11
Tax
€4,522.50
After estimated burden, before expenses
€32,617.40
Bollo estimate: €2.00
This is a simplified estimate, before actual business expenses, other costs and bollo. It is not disposable cash or an F24 calculation. Bollo is shown separately and applies only when the invoice meets the relevant conditions.
Payments: saldo and acconto
Saldo settles the previous tax year after advances and credits. Acconto is an advance for the current year, later offset against its balance. Tax and INPS payments can include both; do not add advances to the annual burden as another tax. Amounts and deadlines depend on your declaration and payment history.
Official tax payment calendarThese calculators are planning aids. For real filings, confirm current coefficients, INPS contribution rates, minimums, payment deadlines and regime eligibility on official sources or with a qualified adviser.