Free trading calculators

A complete set of fast, no-sign-up calculators for sizing trades, checking risk and running the numbers before you click buy. Every one works instantly in your browser.

10 free tools · Updated July 2026

Risk management

Position Size Calculator

Find the exact share or contract count that keeps every trade to a fixed % of your account.

Open calculator →

Kelly Criterion Calculator

Find the mathematically optimal fraction of your account to risk given your edge.

Open calculator →

Drawdown Recovery Calculator

See the gain you need to climb back from any drawdown — the math is more brutal than it looks.

Open calculator →

Trade analysis

Risk/Reward Ratio Calculator

Check a setup's reward-to-risk ratio and the win rate it needs to break even.

Open calculator →

R-Multiple Calculator

Express any trade's result in R — multiples of the risk you took — to compare trades fairly.

Open calculator →

Futures

Futures P&L Calculator

Calculate profit, loss and tick value for 16+ futures contracts including the micros.

Open calculator →

Forex

Forex Pip Value Calculator

Work out what a pip is worth for your lot size so you can size forex trades correctly.

Open calculator →

Options

Options Profit Calculator

Model a long call or put's profit, breakeven and max loss at any price at expiration.

Open calculator →

Technical analysis

Fibonacci Retracement Calculator

Generate retracement and extension levels from any swing high and low.

Open calculator →

Prop firm

Prop Firm Target Calculator

See how many winning trades it takes to pass an evaluation without breaking the rules.

Open calculator →

Do it all automatically with TradeOlogy

Position size, R-multiples, expectancy and drawdown — computed live from your real trades, not typed in by hand.

Try TradeOlogy free ↗

Free Trading Journal Template

Track your trades, analyze performance, and improve your strategy. Enter your email to get the free spreadsheet.

No spam. Just the template link.