Part of the topic: 💶 Taxes & salary
Tax return deadline calculator (Germany)
Choose the tax year and whether you must file or file voluntarily. The calculator shows the deadline, the days left and – if you are late – the minimum late-filing surcharge.
🔒 Runs entirely in your browser – nothing you enter is uploaded or stored.
How to use it
- Choose the tax year.
- Select mandatory or voluntary, and whether a tax advisor prepares it.
- Read the deadline and days left – optionally enter the expected additional payment to see the late-filing surcharge.
Last checked: October 2026 · Based on: German Fiscal Code §§ 149, 152, 169; Income Tax Act § 46(2) no. 8; deadline overview steuerschroeder.de (2026). Found a mistake? Use the form below – we fix confirmed errors and update the date.
Frequently asked questions
Until when can I file my 2022 tax return voluntarily?
Until 31 December 2026. After that, the four-year period ends and a refund for 2022 is lost.
When is the 2025 tax return due?
If you must file: 31 July 2026; with a tax advisor or Lohnsteuerhilfeverein: 1 March 2027. Voluntary returns: until 31 December 2029.
How high is the late-filing surcharge?
0.25 % of the assessed tax minus prepayments and withheld taxes per month started, at least €25 per month. If you get a refund, there is usually no surcharge.


