🔥 The only BTC calculator with custom growth rates per year

Plan Your Bitcoin Retirement.

Most calculators use one flat growth rate. Reality doesn't work that way. Model halving cycles, set different CAGR for each year, and track exactly when you're free.

Try Free Calculator → See Pro Features ↓
Trusted by Bitcoiners who plan ahead.
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⚠️ Every Other Calculator

  • One flat growth rate forever
  • Can't model halving cycles
  • No control over withdrawal amounts
  • No idea when your stack runs out
  • Generic — not built for Bitcoiners

✅ Market Updates HQ

  • Set different CAGR for each year
  • Halving cycle, S-curve & maturation presets
  • Override withdrawals for any year
  • Exact depletion age tracking
  • Built by Bitcoiners, for Bitcoiners
Features
Everything You Need to
Plan With Confidence
The free version gives you the basics. Pro gives you the precision tools serious planners need.
📊

Per-Year CAGR Editing

Click any year in the table and change its growth rate. Model exactly what you believe will happen.

PRO
⟳

Halving Cycle Presets

One-click presets for halving cycles, maturation curves, S-curves, and conservative scenarios.

PRO
💰

Custom Withdrawals

Override withdrawal amounts for any year. Planning a big purchase? Model it exactly.

PRO
📉

BTC Sell Tracking

See exactly how much BTC you sell each year in retirement — both the ₿ amount and $ value.

PRO
📈

4 Chart Views

Portfolio wealth, BTC price (log), CAGR map, and expenses vs portfolio. All interactive.

🧮

Full Retirement Model

Accumulation + retirement phases. Inflation-adjusted expenses. Depletion tracking. Status badge.

Pricing
Choose Your Plan
Start free. Upgrade when you're ready.
Free
$0
Forever free
  • Uniform CAGR (one rate)
  • Basic chart view
  • 10-year table preview
  • Per-year CAGR editing
  • Custom withdrawals
  • PDF export
Try Free →
Pro — Annual
$149/yr
$12.42/month · Save 27%
  • Everything in Free
  • Per-year CAGR editing
  • Halving cycle presets
  • Custom withdrawal overrides
  • BTC sell tracking (₿ + $)
  • Full table — all years
  • 4 chart views
Get Pro Annual →
Lifetime
$349
One-time · First 100 only
  • Everything in Pro, forever
  • All future features included
  • Founding member badge
  • Priority feature requests
  • Early access to new tools
Get Lifetime →