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401(k) Contribution Calculator — Global, Responsive, SEO Optimized

Global 401(k) contribution calculator

Auto-fills for many countries; you can override.

3D doughnut chart

Understanding 401(k) contributions and employer match

A 401(k) is a defined-contribution plan where you contribute a percentage of your pay toward retirement. Many employers add a matching contribution, which is essentially free money that accelerates your savings. Even if your country uses a different name for employer‑sponsored retirement plans, the core idea is the same: contribute consistently, collect any match, and let compounding do the heavy lifting.

Note: This calculator is designed for global use. Enter your own limits, match policy, and expected return to mirror your local plan. Results are estimates and aren’t tax advice.

What each input means

  • Annual salary: Your gross pay before deductions.
  • Employee contribution %: The portion of salary you contribute each year.
  • Employer match: The percentage your employer contributes, up to a cap of your salary.
  • Annual limit: Some countries cap employee contributions; enter that limit if applicable.
  • Expected return and years: Estimate long‑term annualized return and how long you’ll keep contributing.

Why this matters for students and professionals

  • Start early: Compounding rewards time in the market more than perfect timing.
  • Capture the match: Contribute at least enough to get the full employer match—it’s an immediate boost.
  • Stay consistent: Automate contributions and review annually as your income grows.

Common mistakes to avoid

  • Leaving match on the table: Under‑contributing below the match cap gives up free money.
  • Ignoring limits: Overages may be returned or penalized; know your country’s rules.
  • Unrealistic returns: Use conservative estimates and focus on contribution rate first.

Frequently asked questions

HOW TO calculate my employer match correctly?

Multiply salary by the match cap to find the maximum matchable pay. Apply the match rate to your actual contribution (up to that cap). The smaller value is your employer match.

HOW TO decide my contribution percentage?

First reach the full match. Then, increase 1–2% annually until you hit your target savings rate or the legal limit.

HOW TO use realistic return assumptions?

Choose a long‑term annual return that fits your asset mix. Many investors model 4–8% nominal for diversified portfolios.

HOW TO set a country‑specific limit?

Enter your local annual employee cap in the limit field. The tool will automatically cap contributions at that amount.

HOW TO read the 3D doughnut chart?

The chart splits total future value into employee contributions, employer match contributions, and investment growth.

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