Calculators
A working gallery of interactive tools to think through bitcoin decisions in your own life — past, present, and future.
Featured
All calculators
Disciplined Rebalancing
Turn the Power Law channel into a protocol — sell at upper-band triggers, rebuy at lower.
Open →How Much Bitcoin?
How much is the question — the Bell Labs sizing formula's startling answer, and the fraction of it worth taking.
Open →Bitcoin & The Power Law
Where does bitcoin sit inside the channel — floor, trend, upper band — that anchors every projection on this site?
Open →How Much Cash?
Raising cash is selling. Where in the channel that has historically bought you more bitcoin — and where it has cost you.
Open →BTC vs. Real Estate
Bitcoin or a house — looking back, or projecting forward? Full mortgage and ownership costs included.
Open →BTC vs. Rental Property
Bitcoin or rental property — the yield comparison once landlord costs and tax leakage are surfaced.
Open →Bitcoin and Fixed Income
Bitcoin-backed preferreds vs holding bitcoin — the bear-case insurance trade, with the actual crossover horizon and stress behavior shown.
Open →Borrowing Against Your Stack
When does borrowing make more sense than selling? Model liquidation distance vs. retained-coin upside.
Open →What Daily Conviction Bought
$30 a day since 2017, recomputed live — what a daily bitcoin buy accumulated, what it cost, and how deep the ride went.
Open →Bitcoin-Backed Mortgages
Buy the house with bitcoin as collateral — the structural mortgage trade-off across counterparty tiers.
Open →The Bitcoin Horizon
Long-range Power Law projection across an investor’s lifetime — floor, trend, upper band.
Open →The Bitcoin Fixed Share
What does owning a piece of 21 million actually mean as a share of all the bitcoin there will ever be?
Open →The Half-Life
Watch the dollar’s purchasing power decay — half by half, generation by generation.
Open →The Melting Ice Cube
Corporate treasuries against monetary debasement — bitcoin as the dollar-melt antidote.
Open →Lump Sum or Ladder In?
Deploy a windfall now or ladder in — and how channel position changes the answer.
Open →Your Bitcoin Deployment Plan
Lump, ladder, or hybrid — model your own deployment, looking back and looking forward.
Open →Wait, or Deploy Now?
Did waiting for a lower Bitcoin entry pay off? A position-aware, historical read — quiet when low, live when high.
Open →The Bitcoin Retirement Stress Test
Drop a bear market into a retirement plan, then change the year you retire. The same plan can survive one year and deplete another.
Open →Bitcoin Portfolio Allocation
Does bitcoin earn its place in a portfolio? The extra return over a long hold, the drawdown you must be able to hold through, and how much of the portfolio's movement it drives. Growth projected from the Power Law.
Open →The Bitcoin Hurdle Rate
Does this use of capital beat holding bitcoin? Set a return and a horizon — the trend hurdle, matched to that window and declining with it, for a company or a person.
Open →The Bitcoin Dashboard
Where bitcoin sits in its Power Law channel right now — trend multiple, zone, and what that has meant for a position. A live read, not a signal.
Open →