taxable base calculator

Taxable Base Calculator: VAT, Income Tax (IRPF), and Total Invoice Online

Written by Selfemployed

14/10/2025

If you are autonomo in Spain, you need a simple and fast taxable base calculator.
With this online tool, you can instantly find out the taxable base of your invoice, the VAT amount applied, and, if applicable, the IRPF withholding.

Just enter the taxable base, the total amount including VAT, OR the net amount to be received after taxes, choose the VAT rate, and in seconds you’ll get the complete breakdown explained step by step.

Perfect for freelancers, small businesses, or anyone who wants to easily verify their invoice calculations without complications.

Taxable Base and Total Calculator

Enter the taxable base, the total including VAT, or the net amount after withholdings, and select the VAT rate. The calculator will show you all amounts broken down step by step.

And if you’re still not sure how these calculations are made, we recommend these articles:

How to Calculate The Price of Your Product?

Calculate Invoice Taxable Base

How to Make a Complete Invoice In Spain

Finally, to understand what can be part of the taxable base and what cannot, here’s a brief description from the Spanish Tax Agency about the concept of “taxable base”:

How do I calculate the taxable base?


Selfemployed Spain's Team

Helping freelancers and small business owners in Spain stay informed, organized, and confident.

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