Updated for 2026

Smart tools for your finances

Calculate net salary, self‑employed contributions, or issue an invoice in seconds. All calculators and forms in one place. Free and no registration.

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Most popular tools

The best of MujVypocet.cz for everyday use.

Self‑employed calculator 2026

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New! Compare flat tax and standard levies. See how to save.

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Salary calculator

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Net salary for employees. Includes tax discounts and child bonuses.

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QR Payment (SPAYD)

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Generate QR codes for easy invoice payments. Fast and secure.

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Online invoice

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Create a professional PDF invoice in minutes. VAT and non‑VAT.

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Alcohol calculator

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Be a responsible driver. Estimate when you'll be sober.

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IBAN calculator

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Convert a Czech account number to IBAN for international payments.

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Explore categories

Whether you run a business, work, or plan a family, we have the right tool for you.

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Finance

Salaries, VAT, mortgages and business.

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Auto & Moto

Trip costs, consumption and fines.

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Lifestyle

Health, pregnancy and leisure.

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Documents

Contract templates, invoices and documents.

How MujVypocet.cz works

Simple inputs, clear results, no clutter.

1. Enter data

Easy inputs

Most tools need only a few values. Fields are prefilled and explained.

2. Instant result

Instant results

Calculations run in your browser. No waiting, no registration, no data transfer.

3. Use the outputs

Clear summaries

Get a transparent breakdown and next‑step guidance.

How we calculate and where data comes from

Our tools are based on public rules, standard formulas, and practical scenarios. We regularly review key parameters to keep outputs aligned with real‑world practice.

  • Calculation logic is transparent and explained on each tool page.
  • We do not process data on servers. Calculations run in your browser.
  • Tools provide guidance only, not legal or tax advice.

Latest from Guides

Legislation updates, tips, and guides for 2026.

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Frequently asked questions

Quick answers to the most common questions.

Do you store my data?

No. Calculations run in your browser and we do not store or send your data.

Are the results accurate?

Results are indicative and based on standard rules and formulas. For specific cases, consult an expert.

Where can I find calculation details?

Most tools include explanations and examples directly on the page or in the Guides section.

Why people come back

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Security

We do not store your data. Calculations run in your browser.

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Speed

No complicated registration. Results in just a few clicks.

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Freshness

We continuously review and improve parameters and content.