Free trading calculators and a journal template

Calculators that run in your browser, with the formulas explained. No sign-up.

Short answer

These 11 tools are free and run entirely in your browser; nothing you type is sent anywhere. Each page explains the formula in plain words, so you can check the result by hand. Inside the Edgetrail app the same calculations run automatically on every trade.

The tools

Position size calculatorSize from account, risk in percent, entry and stop, with fees.
Trailing drawdown calculatorRoom to a prop firm’s static or trailing drawdown floor and the daily loss limit.
R-multiple calculatorWhat a trade made in units of risk.
Expectancy calculatorWhat an average trade earns, from win rate and average win and loss.
Profit factor calculatorGross profit divided by gross loss, with win rate and expectancy per trade.
Trading journal templateA free CSV file for Excel and Google Sheets that imports into Edgetrail.
Risk/reward calculatorRisk/reward from entry, stop and target, with the breakeven win rate before and after fees.
Risk of ruin calculatorThe chance that a run of losses takes your account down to the drawdown you call ruin.
Funding fee calculatorWhat a perpetual futures position pays or receives in funding over the holding time.
Trading plan templateA free Markdown and CSV template with setups, risk, the daily routine and the weekly review.
Pre-trade checklistThe “Can I trade today?” check to print or download, with the rule behind each answer.

Putting the numbers to work

A calculator answers one question; a journal answers them for every trade at once. The guides explain how to keep a trading journal and how to backtest a crypto strategy with these metrics, and the prop firm tracker applies the drawdown rules to your closed trades automatically.

Updated: 22 October 2026

Frequently asked questions

Are these trading calculators free?

Yes. They run in your browser, need no account and send nothing to a server.

Position size calculatorHow big your position may be, so a stop-out costs exactly the risk you chose.Trailing and static drawdown calculatorWhere your drawdown floor is, how much room is left – and how much you may still lose today.Profit factor calculatorGross profit against gross loss – with win rate and expectancy alongside.

$24 a month · $199 a year · $99 once as a Founder (50 spots) · later $249 Lifetime. The first 14 days are free, no credit card.

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