Tax tools for freelancers in Spain
Free calculators, no sign-up: the same formulas Aurio uses under the hood, open to everyone.
Income tax simulator
Estimate whether your tax return is payable or refundable, with your region and family.
Tax reserve
Add the VAT payable and the estimated form 130 instalment for the quarter.
VAT calculator (form 303)
Output minus deductible input VAT: what your quarter will look like.
Income tax calculator (form 130)
Your quarterly instalment plus an annual estimate by brackets.
Depreciation calculator
Straight-line depreciation schedule with AEAT coefficients by asset type.
Can you afford it?
Before you buy, check whether it fits your savings and buffer.
Loan calculator
Monthly payment, interest and amortization schedule for your loan.
Mortgage calculator
Monthly payment and total interest for your mortgage, term in years.
Savings calculator
Project your savings with a monthly contribution and compound interest.
Compound interest calculator
See your money grow year by year, with a chart and a table.
Freelancer tax calendar
The 303 and 130 deadlines, with the next one highlighted.
Prefer to understand before you calculate? Read the tax guides.
Looking for a quick explanation? Browse the Spanish tax and finance glossary.
Aurio calculates this for you from your transactions and invoices
Import your statements or add your invoices and keep your quarterly VAT, estimated form 130 and depreciation always up to date. Informative, private and with your data encrypted.
Get started for freeIndicative, informational calculations: they are not tax advice and Aurio never files anything with the Spanish Tax Agency (AEAT). Check amounts and deadlines against current regulations or with your advisor.