Free Spanish tax tools, no signup
Calculators and validators for freelancers and small SLs in Spain. No account, no cost, with figures verified against the BOE.
Nine free tools, no signup; the maths runs in your browser. Use them to estimate before you decide: the autónomo quota under the 2026 brackets, the VAT due on this quarter's modelo 303, the withholding on your invoices and rent (modelos 111 and 115), your SL's corporate tax and the surcharge if you file late.
Autónomo quota 2026 simulator: calculate yours
Calculate your 2026 autónomo quota from your monthly net income. Full table of all 15 brackets and the €80 tarifa plana explained.
Read the guideHow much to set aside each month for taxes
Calculator for autónomos in Spain: estimate how much to set aside each month for IVA, IRPF and your quota, so quarterly filings never surprise you.
Read the guideVAT calculator (IVA)
Calculate Spanish VAT (IVA) at 21, 10 or 4 per cent: from net to gross or back, with the VAT amount and the recargo de equivalencia. Free, no signup.
Read the guideModelo 303 estimator (quarterly VAT)
Estimate your modelo 303: the VAT you pay or carry forward each quarter from your sales and expenses. Free, no signup, with the 2026 VAT rates.
Read the guideWithholding calculator, modelos 111 and 115
Work out the IRPF withholding on a professional's invoice (15% or 7%) and on your premises rent (19%), and what you pay with modelos 111 and 115.
Read the guideCorporate tax estimator 2026
Estimate your Spanish SL's 2026 corporate tax: the general 25% rate, 15% for new companies or the 19%/21% micro-company scale. Free, no signup.
Read the guideLate-filing surcharge calculator
Work out the Spanish surcharge for filing a return late without a demand: 1% plus 1% per full month, 15% after 12 months. Includes the 25% reduction.
Read the guideNIF, NIE, CIF and IBAN validator
Check whether a Spanish NIF, NIE, CIF or an IBAN has a valid check digit. Free, no signup, and 100% in your browser: nothing is sent anywhere.
Read the guideSpanish tax figures 2026
Spain's 2026 tax figures at a glance: autónomo quota brackets, VAT rates, the IRPF scale, withholdings and thresholds. Verified against the BOE.
Read the guideAbout these tools
Every figure comes from a single table, the 2026 tax figures, checked against the BOE: RETA bases and brackets, VAT and income tax rates, the corporate tax scale and the late-filing surcharges of article 27 of the General Tax Act. When a figure changes in the BOE, it changes in the table and in every calculator at once.
They are estimates, not a tax return: the result depends on data only you have, such as deductible expenses, withholdings already suffered or the reliefs you qualify for. Filing the real form needs up-to-date books; the guides explain step by step how to get from one to the other.