Online Finance & Business Calculators
Calculate net salary, mortgage, severance pay, income tax withholdings, profit margins, retirement pension, and more.
💼 Payroll & Labor
Net Salary Calculator
Calculate your net salary after income tax (IRPF) and Social Security contributions.
CalculateGross from Net Salary
Calculate the gross salary required to reach a target net monthly income.
CalculateIRPF Withholding Rate
Calculate the income tax withholding percentage for employment contracts or freelance invoices.
CalculateSalary Raise Calculator
Compare your income before and after a salary increase with tax breakdown.
CalculateSeverance Pay Calculator
Calculate severance pay for objective or unfair dismissal based on years of service.
CalculateFinal Settlement Calculator
Break down your final pay settlement: remaining workdays, accrued unused vacation, and prorated bonus.
CalculateUnemployment Benefits
Calculate monthly unemployment benefits based on contribution history.
CalculateRetirement Pension
Estimate your retirement pension based on contributed years and regulatory base.
CalculateChild Support Calculator
Calculate child support guidelines based on income and custody arrangements.
CalculateBusiness Days Calculator
Count working business days between dates with national and regional holidays.
Calculate🏛️ Taxes & Freelance
VAT / Sales Tax Calculator
Calculate VAT included or excluded from any invoice amount.
CalculateIncome Tax (IRPF) Calculator
Estimate your annual income tax liability across tax brackets.
CalculateFreelance Invoice Calculator
Calculate final invoice totals with VAT and IRPF tax withholding.
CalculateMunicipal Capital Gains Tax
Calculate municipal capital gains tax on property sales or inheritance.
Calculate📈 Loans, Mortgages & Investments
Mortgage Calculator
Calculate monthly payments, interest totals, and payoff schedules for fixed/variable mortgages.
CalculateLoan Amortization Schedule
Generate month-by-month French amortization tables for any loan.
CalculateLoan Comparison Tool
Compare up to 3 loans side-by-side: APR, monthly payment, total interest, and savings.
CalculateCompound Interest Calculator
Calculate investment growth over time with periodic contributions and compound interest.
CalculateSavings Account Comparator
Compare annual yield and interest returns across high-yield savings accounts.
CalculateProfit Margin Calculator
Calculate gross profit margin, markup percentage, or optimal selling price.
CalculateMicro-Expenses Impact
Visualize the long-term compounding impact of small daily recurring expenses.
CalculateTrip Expense Splitter
Divide and balance group trip expenses fairly among all participants.
Calculate