The toolkit / client-side maths

Calculators

Simple tools for making fees, risk, position size and compounding visible. Enter your own values; nothing is sent to an account.

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Choose by question

A calculator should
clarify a decision.

Use the profit and DCA tools when you need cost-basis arithmetic. Use position size, risk-reward and forex margin when you are planning downside and exposure. Drawdown, dividend-yield and investment-fee tools cover different portfolio questions, while market cap and compound growth make longer-term assumptions visible.

Each calculator keeps inputs visible, runs locally in the browser and explains what the simple formula leaves out. No calculator value is sent to an account or trading venue. For a practical starting point, estimate a downside limit with the crypto position size calculator, then read the supporting guide before applying an unfamiliar result.

Start with risk management
Calculator

Crypto profit calculator

Estimate crypto profit or loss, return on investment and final value from entry price, exit price, quantity and fees.

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Calculator

Crypto position size calculator

Calculate crypto position size from account balance, risk percentage, entry and stop price, with an optional cost buffer and clear exposure checks.

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Calculator

DCA and average price calculator

Calculate a blended average price after adding a second purchase, with a simple view of total cost and total units.

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Calculator

Forex pip calculator

Estimate the gross value of a forex pip move from pips, lot size and a simple pip-value input.

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Calculator

Compound interest and contribution calculator

Explore how an initial amount, recurring contribution, annual return assumption and time horizon interact in a simple growth model.

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Risk tool

Risk-reward ratio calculator

Calculate risk, potential reward, reward-to-risk ratio and theoretical break-even win rate from entry, stop and target prices.

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Forex tool

Forex margin calculator

Estimate notional exposure, required margin and the size of a one-percent move using trade units, conversion rate and leverage.

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Crypto tool

Crypto market cap and FDV calculator

Calculate circulating market cap, fully diluted valuation, FDV gap and a simple price scenario from token price and supply.

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Risk tool

Drawdown recovery calculator

Calculate the percentage gain required to recover from a portfolio drawdown and see why larger losses require disproportionately larger gains.

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Stocks

Dividend yield calculator

Calculate indicated dividend yield, estimated annual dividend income and invested value from dividend, share price and share count.

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Portfolio

Investment fee calculator

Compare a constant-return investment scenario before and after an annual fee, including contributions and the estimated long-term value difference.

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Risk

Trading expectancy calculator

Calculate average trading expectancy, cost-adjusted break-even win rate and payoff ratio from win rate, average win, average loss and costs per trade.

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Keep the assumptions in view.

These are educational models. They do not include every fee, tax, contract rule, funding cost, spread, slippage or currency conversion. Verify the relevant venue or professional source before acting.

Tools work best after a lesson

Understand the
inputs first.

Start with the risk and position-sizing lessons if a formula feels unfamiliar.

Study risk management