14 free calculators
Free trading calculators
The arithmetic every trade needs before it's placed: how much to risk, where the stop goes, what the costs take, and whether the sizing survives a bad run. No signup, no limits.
Risk & position sizing
Decide how much to trade before you decide what to trade. These turn a stop level into a position size you can defend.
Position Size Calculator
Size any trade from account balance, risk percent and stop distance.
Stop Loss & Take Profit Calculator
Entry and stop in, position size and 1R/2R/3R targets out.
Risk to Reward Calculator
Reward-to-risk ratio and the win rate it needs to break even.
Lot Size Calculator
Convert dollar risk into forex lots for any pair.
Pip Value Calculator
What one pip is worth at your lot size and account currency.
Margin & Leverage Calculator
Margin required, effective leverage and distance to a margin call.
Performance & survival
Find out whether the results you have are an edge or a run of luck — and whether your sizing can survive the bad stretch.
Win Rate & Expectancy Calculator
Win rate, expectancy per trade and profit factor from your journal.
Risk of Ruin Calculator
Odds a losing streak takes the account to a drawdown you can't recover from.
Drawdown Recovery Calculator
The gain required to climb back from any drawdown.
Trading Fee & Break-Even Calculator
Commission, spread and slippage as a break-even move and annual drag.
Funded & prop accounts
Evaluation rules are sizing constraints. Translate them into dollars before the first trade.
Growth & projection
Longer-horizon maths — compounding, contributions and scenario planning.
Calculadoras en español
Learn the workflow
The calculators handle the maths. These guides cover where the numbers come from.
Stop calculating this on every trade
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Frequently asked questions
- Are these trading calculators free?
- Yes. Every calculator on this page is free to use, with no signup and no limits.
- Which calculator should I start with?
- Start with the position size calculator or the stop loss and take profit calculator. Consistent sizing changes results faster than any other single habit.
- Do they work for forex, futures, stocks and crypto?
- Yes. The risk tools work in whatever units you price the instrument in. The lot size and pip value calculators are forex-specific.
- Is anything here financial advice?
- No. These are arithmetic tools for planning. Nothing on this page is financial advice, and trading carries a substantial risk of loss.
Understand the maths behind the numbers
Definitions and guides that explain what these results mean in practice.
Educational content only. Nothing here is financial advice, and trading carries a substantial risk of loss. SimpleAlgo is not affiliated with, endorsed by, or sponsored by TradingView. TradingView is a trademark of TradingView, Inc.