Trading calculators.
Know your numbers.
A clearer setup starts with the math. Check the reward, size the position and understand what your results add up to.
Risk-reward calculator
Compare entry, stop and target. See how costs change the setup.
Open calculator 02 / Size the positionPosition size calculator
Turn your risk budget and stop distance into shares or asset units.
Open calculator 03 / Review the resultsTrading expectancy calculator
Combine win rate, average win and average loss. Find what remains after costs.
Open calculatorChoose the calculation that matches your question.
| Your question | Start here |
|---|---|
| Is the target large enough relative to the stop? | Risk-reward ratio: entry, stop, target and costs. |
| How many shares fit the risk budget I chose? | Position size: account equity, risk percentage and stop distance. |
| What do my wins and losses add up to on average? | Trading expectancy: win rate, average outcomes and costs. |
Each calculator shows its formula and a worked example. Values stay in your browser. The tools do not connect to a broker or choose inputs for you.
The math starts with a chart.
Still deciding where the entry and stop belong? Work through a breakout and retest example to see how a level, an entry and an invalidation condition fit together.
Explore how TradeGPT turns a screenshot into market structure, key levels and scenarios you can examine alongside these calculations.