Free tools
Crypto Calculators
Run the numbers before you risk real capital. No account needed, and nothing you type ever leaves your browser.
Trading
Futures Trading Calculator
Margin, liquidation, profit and loss and risk:reward for leveraged positions, plus a DCA simulator.
OpenLiquidation Calculator
The price at which a leveraged position is wiped out, and how far that sits from your entry.
OpenPosition Size Calculator
How large a position should be so that hitting your stop costs only what you meant to risk.
OpenRisk Reward Calculator
What a trade risks against what it stands to make, and the win rate needed to break even.
OpenAverage Entry Calculator
Your true average price after buying the same coin twice at different prices.
OpenCosts
Funding Fee Calculator
Funding paid or received on a perpetual position over the time you hold it.
OpenTrading Fee Calculator
Exchange fees in and out, and how far price must move just to cover them.
OpenCrypto Tax Calculator
A rough capital-gains estimate on a disposal, from proceeds, cost basis and your tax rate.
OpenReturns
ROI Calculator
Profit, percentage return and multiple on money for any holding.
OpenCAGR Calculator
Compound annual growth rate, so long holds can be compared like for like.
OpenCrypto SIP Calculator
What investing a fixed amount every month could grow to at an assumed rate.
OpenInflation Calculator
How much buying power cash loses over time — the usual argument for holding something else.
OpenWant alerts instead of maths?
Set a target price once and we'll watch the market for you — by email, push, Discord or Telegram.
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