Financial Independence Calculator

Calculate your FI number, see when you'll reach financial freedom, and visualize your wealth accumulation journey. Based on the 4% safe withdrawal rate.

Last updated: Built by the IndepAI team

FI Calculator

Calculate your path to Financial Independence. Enter your financial details below.

30 years

Savings rate: 40.0%

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  • Compare FI timelines across cities and tax setups
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Built on 11,400+ livable cities

What is Financial Independence?

Financial Independence (FI) is the point where your investment income covers all your living expenses permanently. At this point, work becomes optional, you can retire early, pursue passion projects, or simply have the freedom to choose. The FIRE movement (Financial Independence, Retire Early) has made this goal mainstream.

Your FI number is 25x your annual expenses. This is based on the 4% safe withdrawal rate, the historically proven rate at which you can withdraw from a diversified portfolio indefinitely without running out of money.

How to Use This Calculator

Enter your current savings, monthly savings, annual expenses, and expected return. The calculator shows your FI number (25x annual expenses), how many years until you reach it, and a projection chart of your wealth growth.

Adjust the expected return to see how investment performance affects your timeline. A 1% difference in returns can mean 2-3 years difference in reaching FI.

Accelerate Your Path to FI

The three most powerful levers are: increase your savings rate (the biggest impact), increase your income (freelancing, side projects), and reduce your annual expenses (especially housing, which is typically 30-40% of costs).

Digital nomads using geo-arbitrage can dramatically cut expenses while maintaining income, often achieving a 50-70% savings rate that leads to FI in 10-15 years.

Related Reading

What is Coast FIRE?

Learn how Coast FIRE lets you stop saving and still reach financial independence on schedule.

What is Geo-Arbitrage?

How earning in a strong currency while living cheaply can cut years off your FI timeline.

Ready to Accelerate Your FI Journey?

Create a free account to save your calculations, track your FI score, get personalized AI recommendations, and compare cities for geo-arbitrage.

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Frequently Asked Questions

How is the FI Number calculated?

Your FI number is calculated as 25x your annual expenses (based on the 4% safe withdrawal rate). This is the amount you need invested to sustainably withdraw 4% per year indefinitely.

What is a good savings rate for FIRE?

Your savings rate is the percentage of income you save. A higher savings rate dramatically reduces your time to FI - someone saving 50% of their income reaches FI in about 17 years, while someone saving 25% takes about 32 years.

Where this data comes from

City cost estimates are AI-modeled from curated price anchors and cross-checked against World Bank price-level data. Refreshed daily (incremental) and re-modeled in full every two months. Tax figures are modeled per country and currently being verified country-by-country against primary sources.

Spotted a number that looks wrong? Tell us: hello@indepai.app we fix data fast.