Business Tools
12 free tools, no registration
Calculators
VAT + IRPF Calculator
Calculate invoice totals with Spanish VAT and income tax withholding
Gross to Net Salary
Convert a Spanish gross salary into take-home net pay
Modelo 130 Estimator
Estimate your quarterly IRPF prepayment for Spanish self-employed
Modelo 303 VAT
Calculate your quarterly Spanish VAT (IVA) return
Autónomo Fee 2026
Find your monthly self-employed Social Security fee by income
Freelance Rate Calculator
Calculate your hourly and daily rate based on desired net income