International Income Tax Intelligence

Know your real take-home pay, anywhere in the world.

Most tax calculators give you rough, flat-percentage guesses. GTaxCalc uses the exact, official tax rules and progressive rates from the world's major economies — so the number you see is the number you can plan your life around.

G7 countries free G20 countries with Pro 0 data collected Works offline
Ranked take-home pay · $75,000
Source: GTaxCalc engine Live rules · 2026
No sign-up required
No personal data collected
Runs entirely on-device
Official tax rules, always current
Who it's for

Built for anyone whose paycheck crosses a border.

Financial decisions across borders shouldn't be based on guesswork.

Expats & Digital Nomads

Know your exact take-home pay before you accept a job offer, pack your bags, or move abroad.

Recruiters & HR Teams

Give candidates crystal-clear, transparent net salary quotes in their local currency.

Remote Workers & Freelancers

Accurately estimate your foreign tax obligations and plan your invoices with confidence.

Everyday Professionals

Gain total clarity on where your paycheck goes — from income tax to social security and healthcare.

How it works

Five screens. Every number you need.

From your gross salary to your true take-home pay — here's what happens each step through the app.

01 / Main Calculation Engine

Instant, accurate income tax & take-home breakdown

National and regional taxes calculated together in one view, broken down by year, month, two weeks, or week.

  • Gross income inputs — enter annual, monthly, or weekly wages.
  • Quick-adjust slider — simulate a raise or bonus in real time.
  • Marginal vs. effective rate — see exactly which bracket each dollar falls into.
GTaxCalc country selection and net take-home pay summary
02 / Pre-Tax Deductions & Pension

Maximize your take-home with smart deductions

Standard allowances, retirement and pension savings, and regional tax credits, factored in automatically.

  • Piggy bank control — toggle 401(k), pension, or superannuation contributions.
  • Tax relief calculations — see how pre-tax contributions lower your taxable threshold.
  • Paycheck impact — exactly how much less it actually costs you today.
Pre-tax 401k contribution input
Tax and contribution allocation chart
03 / Multi-Country Comparison

Global mobility & expat comparison across G20 economies

Compare your purchasing power and net take-home salary across the world's leading economies, on a fair like-for-like basis.

  • G7 free, G20 with Pro — every major economy, built in.
  • Localized rules — country-specific brackets, allowances, and levies.
  • Multiple tax years — switch years in a tap to see how new budgets affect your wallet.
G7 country comparison ranking
G7 comparison in AUD currency
04 / Real-Time Currency Conversion

Dynamic FX conversion for global citizens

Convert figures between 15+ world currencies with real-time exchange rates — and compare job offers on a fair basis.

  • Instant conversion — USD, EUR, GBP, CAD, JPY, AUD, INR, and more.
  • Side-by-side reference — built for remote workers, digital nomads, and expats comparing offers.
G20 comparison ranked by take-home pay
05 / Progressive Bracket Analysis

Transparent marginal tax bracket breakdown

Understand exactly how your money is taxed at each incremental tier — no fine print missed.

  • Marginal vs. effective rate — see your top marginal bracket next to your true effective tax rate.
  • Detailed ledger — see exactly how much of your income falls into each personal-allowance, basic, intermediate, and top bracket.
Itemized tax bracket breakdown
Always current

Built for new budgets

Tax laws, rates, and brackets update as soon as governments announce new budgets — so the numbers never go stale.

Official forms, one tap away

Government agency directory

Direct links to official tax authorities — the IRS, HMRC, CRA, ATO, and others — without hunting through confusing portals.

Private by design

100% on your device

No sign-ups, no accounts. Your salary inputs and saved comparisons stay on your device — never sent to a server or sold.

Free vs Pro

Start free. Go global when you need to.

The G7 calculator is free, forever. Unlock every G20 economy with Pro.

G7Tax%
Tier 1

G7 Nations

Free
🇺🇸 United States 🇬🇧 United Kingdom 🇨🇦 Canada 🇫🇷 France 🇩🇪 Germany 🇮🇹 Italy 🇯🇵 Japan
  • Pre-tax deduction & pension modeling
  • Live currency conversion
  • Official tax forms & agency directory
G20Tax%
Tier 2

G20 Expansion

Pro upgrade
🇦🇷 Argentina 🇦🇺 Australia 🇧🇷 Brazil 🇨🇦 Canada 🇨🇳 China 🇫🇷 France 🇩🇪 Germany 🇮🇳 India 🇮🇩 Indonesia 🇮🇹 Italy 🇯🇵 Japan 🇲🇽 Mexico 🇷🇺 Russia 🇸🇦 Saudi Arabia 🇿🇦 South Africa 🇰🇷 South Korea 🇹🇷 Türkiye 🇬🇧 United Kingdom 🇺🇸 United States
  • Everything in G7, plus every remaining G20 economy
  • Full ranked G20 comparison view
  • Multiple tax years, always up to date
G7Tax%
G20Tax%

Your true take-home pay, wherever your career takes you.

Free to download. No sign-ups, no data collection, no catch.

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