TENSORPARADIGM / Tools · FREE / NO SIGNUP
Make the numbers yours.
Six practical tools for the decisions behind a trade. Change the inputs, inspect the calculation, and take the ledger with you.
Average entry price
Combine crypto purchases to calculate weighted average entry price, fees, break-even sell price and net profit or loss. Free calculator with a CSV ledger.
Open calculator ↗Compounding & withdrawals
Model trading compounding with losing months, fees, deposits, withdrawals and partial reinvestment. Compare balances and download the complete scenario ledger.
Open calculator ↗Historical crypto DCA
Backtest daily, weekly or monthly Bitcoin and Ethereum purchases using verified Coinbase prices. Include fees, compare upfront buying and download the purchase ledger.
Open calculator ↗Slippage & execution costs
Estimate BTC, ETH and SOL execution costs from dated Coinbase order books. Separate spread, depth impact and fees; inspect consumed levels and export the ledger.
Open calculator ↗Crypto profit & loss
Calculate spot or linear futures profit after fees, funding and costs. Compare long and short trades, leverage, return on margin and break-even price.
Open calculator ↗Position size & stop-loss
Size a crypto position from account risk, entry and stop price. Include trading fees, stop slippage, capital limits and net reward-to-risk.
Open calculator ↗Built to be checked
Every tool includes its calculation rules, an editable example and a CSV ledger. Historical prices and order books have a named venue and timestamp. Assumed returns remain scenarios.
Calculations run in your browser. Your inputs are not sent to an exchange. No account or API key is needed.