Trade with numbers you can trust, not guesses.
SOFTYTOOLS is a free online trading calculator suite covering position size, risk, reward, leverage, drawdown and long-term growth — built for traders and investors worldwide who want clear, formula-backed numbers in seconds, not guesses.
Position Size — quick preview
LiveOpen the full calculator for lots, contract size and eight more advanced tools.
Every trading calculator a disciplined trader needs
Each tool runs instantly in your browser using standard, transparent formulas — shown openly on every calculator so you can verify the math yourself.
Position Size Calculator
A position size calculator by risk %, entry and stop-loss — find exactly how many units or lots to trade.
Trading Risk % Calculator
A trading risk calculator that checks exactly what percentage of your account a trade puts at risk before you place it.
Risk/Reward Calculator
Instantly calculate your risk-to-reward ratio and the win rate you'd need to break even.
Stop Loss Calculator
Work out the exact stop-loss price that matches your risk amount and position size.
Take Profit Calculator
Set a take-profit price that targets your chosen risk/reward ratio automatically.
Leverage Calculator
Calculate leverage used, required margin, or the maximum position your equity supports.
Drawdown Calculator
Measure your drawdown percentage and see exactly how much gain is needed to recover.
ROI Calculator
A trading ROI calculator for return on investment as a percentage, plus an annualized rate over any holding period.
Compound Investment Calculator
Project long-term growth of a portfolio with regular contributions and compounding returns.
From numbers to a decision in three steps
Choose a calculator
Pick the tool that matches your question — sizing a position, checking risk, or projecting growth.
Enter your numbers
Type in your account balance, entry, stop, target or contribution. Everything runs live in your browser.
Read the result
Get an instant, formula-backed answer, with the exact calculation shown so you can double-check it.
Built for transparency, not engagement
Transparent formulas
Every calculator shows the exact formula behind its result. Nothing is a black box.
Runs in your browser
Your numbers are calculated on your device and never sent to a server. Only your theme and currency preferences, and any plan you choose to save, are kept in your own browser.
No account, no cost
Every tool is free to use, with no sign-up wall and no artificial limits on calculations.
Plan, size and stress-test a trade
Eight more free tools beyond the nine core calculators: plan a trade with fees and margin, check pip value and break-even win rate, average your entries, scale out, estimate futures P&L and liquidation, and stress-test a strategy.
Trade Planner & Safety Check
Position size with fees, net reward-to-risk and a safety check that explains each warning.
Pip Value Calculator
Value of a pip in your account currency for any lot size, using your own pip size and exchange rate.
Break-Even Win Rate & Expectancy
The win rate you need after costs, and what your actual win rate is worth per trade.
Average Entry Price Calculator
Weighted average entry and fee-adjusted break-even across several purchases.
Partial Close Calculator
Combined profit, fees and R multiple when you scale out of a trade.
Futures P&L Calculator
Net profit after fees and funding, with margin used and return on margin.
Liquidation Price Estimator
A simplified isolated-margin estimate of where a leveraged position would be liquidated.
Risk of Ruin & Stress Lab
Compare adverse, expected and favourable scenarios and losing-streak drawdowns.
Understand the formulas, not just the numbers
Plain-language explanations of the math behind each calculator, with worked examples.
