Work out how big a position is if you only want to lose a fixed share of your account at your stop. Nothing is sent anywhere; your last inputs stay in this browser. Educational only, not financial advice.
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Position size = (account × risk %) ÷ (distance from entry to stop + round-trip fees per unit). Stop below entry means a long, above means a short. Liquidation is a rough isolated-margin estimate (entry × (1 ∓ 1/leverage ± 0.5%)); each exchange calculates it differently. Dig deeper with the liquidation & leverage calculator. See the leverage guide and R-multiple. Practise the trade risk-free in Paper.