Global Tax, Budget & Wealth

Tax calculations for Germany (2026), USA, UK, AU, IE, CA, CH, AT and beyond. Plan your budget and simulate long-term wealth.

DEENTR

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🚀 Our Financial Suite

Income

Multi-Country Tax Hub

Gross-to-net calculator for 8 countries. Includes the latest 2026 tax updates for Germany and international jurisdictions. Know your take-home pay.

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Global Tax Comparison

The ultimate dashboard for expats and nomads. Visually compare tax burdens across borders to find your best destination.

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Smart Budget Planner

The 'Missing Link': Import your net income directly from our tax engine, track expenses, and calculate your global savings rate.

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Growth

Investment Simulator

Professional wealth projection. Use Monte Carlo simulations for ETFs and stocks based on historical market performance.

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❓ Frequent questions

Obolus is modular. You can use each app individually, but they work best together: Your net income from the Tax App flows into your Budget. Your surplus from the Budget flows into the Investment Simulation.
No! Privacy is our top priority. All calculations take place locally in your browser. No data is stored on our servers.
Yes. For Germany, it is based on the current draft by the Ministry of Finance. For all other countries (US, UK, etc.), we use the latest available 2026 tax brackets and regulations.
TaxCompare allows you to translate a gross salary from one country into the net equivalent of another. This shows you instantly where you keep more purchasing power after taxes.
Integration. You don't need to type in your salary—just import it. Plus, it automatically calculates your free capital for investments.
Instead of guessing a flat 7% return, we simulate thousands of possible market futures. This shows you not just the potential profit, but also the risk.

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Obolus Global Finance – Tax, Budget & Investment Suite 2026