Calculators & converters
Free, in-browser calculators for trading, DeFi, and portfolio math. Numbers are computed locally — nothing is sent to us.
Risk & trade planning
Break-even calculator
After a drawdown, the gain % required to recover. Reveals the asymmetric math behind losses.
Open calculator →Position sizing
1% rule: account size + stop distance → exact position size that caps your risk.
Open calculator →Stop-loss & take-profit
Entry + R:R ratio → precise SL/TP price levels with dollar P&L.
Open calculator →Risk:Reward ratio
Entry, stop, target → R:R + minimum win-rate to be profitable.
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Leverage & perpetuals
Liquidation price
Leverage + entry + maintenance margin → exact liquidation level.
Open calculator →Leverage P&L
Margin + leverage + entry/exit → magnified profit/loss + ROI on margin.
Open calculator →Margin requirement
Notional + leverage → initial margin and maintenance buffer.
Open calculator →Funding rate cost
Carry math: position × funding × days → total cost or income.
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DeFi & lending
Impermanent loss
AMM LP value vs simple hold for any price-ratio change.
Open calculator →Health factor / LTV
Aave-style: collateral × liquidation LTV → health factor + drop to liq.
Open calculator →Lending effective APY
Stated APY adjusted for protocol fees, gas, and compounding.
Open calculator →Gas fee
Gwei × gas units × ETH price → USD cost. L2 comparison included.
Open calculator →LST + DeFi yield
Combined APY when an LST is also used as DeFi collateral.
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Bitcoin & mining
Halving countdown
Days, blocks, date until next BTC halving + reward impact.
Open calculator →Mining profitability
Hash rate + power + electricity → daily profit, hardware payback.
Open calculator →BTC dominance impact
Model how a shift in BTC.D affects altcoin market cap and your portfolio.
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Yield & compounding
Portfolio planning
Crypto retirement
Current stack + monthly DCA + return → years to financial independence.
Open calculator →Asset allocation
Risk profile → suggested BTC/ETH/alts/stables split.
Open calculator →Portfolio rebalancing
Current holdings + target % → exact trades to rebalance.
Open calculator →Lump-sum vs DCA
Compare both entry strategies on a price path.
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P&L and tax
Conversions
Crypto ↔ fiat
Live conversion across 100+ coins and major currencies.
Open calculator →Satoshi ↔ BTC
sats / μBTC / mBTC / BTC / USD all in one converter.
Open calculator →Wei ↔ Gwei ↔ ETH
Translate between all Ethereum denominations with live USD.
Open calculator →Hash rate units
H/s ↔ KH/s ↔ ... ↔ EH/s + % of Bitcoin network.
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