SatsAtlas

Tool · Bitcoin FIRE calculator

How many sats until you're free?

Calculate your Bitcoin FIRE number, find the most affordable countries in the world, and plan your path to financial independence. Not financial advice — just the math.

Quick Retirement Calculator

How much BTC do you need using the 4% withdrawal rule?

FIRE Progress

9%toward FIRE
Current Stack
1.0000 BTC

100.00M sats

Target Stack
11.6707 BTC

1167.07M sats


Monthly Expenses$3,000
Months Covered25
BTC PriceBTC NeededSats Needed
$77k (current)11.671167.07M
$100k9.00900.00M
$250k3.60360.00M
$500k1.80180.00M
$1,000k0.9090.00M

Based on the 4% rule: annual expenses / 0.04 = portfolio needed, then divided by BTC price.

Why Retire on Bitcoin?

Six reasons Bitcoin is uniquely suited for location-independent retirement.

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Inflation Protection

Bitcoin's fixed 21M supply protects your purchasing power against fiat debasement.

Global Portability

Move anywhere in the world without transferring banks. Your Bitcoin travels with you.

Asymmetric Returns

Bitcoin has been the best-performing asset class of the last decade.

24/7

Always Liquid

Convert to local currency anytime, anywhere. No market hours, no bank holidays.

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Deflating Costs in Sats

As BTC appreciates, everyday expenses become cheaper in satoshis over time.

Geographic Arbitrage

Earn in BTC, spend in low-cost countries. Maximize your purchasing power globally.

The Bitcoin FIRE Method

Four steps to financial independence, retire early — powered by Bitcoin.

1

1.Calculate Your Number

Determine your annual living costs and multiply by 25 (the inverse of the 4% rule). That is your target Bitcoin portfolio value.

2

2.Stack Sats Consistently

Dollar-cost average into Bitcoin with a regular schedule. Automate your purchases to remove emotion from the equation.

3

3.Choose Your Base

Research countries where your sats stretch furthest. Consider tax policy, quality of life, visa options, and Bitcoin-friendliness.

4

4.Withdraw Sustainably

Once your stack covers 25x annual expenses, withdraw no more than 4% per year. Consider a more conservative 3% for Bitcoin's volatility.

Frequently Asked Questions

How much Bitcoin do I need to retire?

It depends on your lifestyle and location. Using the 4% rule, you need 25x your annual expenses in BTC value. At a $2,000/month budget and $100k BTC, that is about 6 BTC. In a low-cost country at $1,000/month, you might need only 3 BTC.

Is the 4% rule safe for Bitcoin?

The 4% rule was designed for traditional stock/bond portfolios. Bitcoin's higher volatility means a 3% withdrawal rate might be more appropriate. However, if BTC continues to appreciate long-term, the 4% rule could actually be conservative.

What about taxes on Bitcoin withdrawals?

Tax treatment varies dramatically by country. Some jurisdictions like Portugal, El Salvador, and the UAE have zero or minimal crypto capital gains tax. Always consult a tax professional in your target country.

Can I really live on Bitcoin?

More merchants accept Bitcoin every day, and Bitcoin debit cards (like Bitrefill or CoinCards) let you spend sats anywhere that accepts Visa/Mastercard. In El Salvador, Bitcoin is legal tender. The infrastructure improves constantly.

What are the biggest risks?

The main risks include BTC price volatility, regulatory changes, tax law shifts, and exchange/custody risks. Diversification, self-custody, and choosing stable jurisdictions can help mitigate these.

Should I sell my Bitcoin or borrow against it?

Some Bitcoiners prefer borrowing against their BTC collateral to avoid taxable events. This is an advanced strategy with its own risks (liquidation, interest rates). Never borrow more than you can afford to repay.

Ready to Plan Your Bitcoin Retirement?

Use our tools to simulate your purchasing power over time and find the most affordable countries to live in.