Trading Calculators
Learn it. Calculate it. Understand it.
Every tool here runs the same calculation engine, shows its working, and links back to the concepts behind the result. Nothing to install, no account needed.
Full calculators
Risk Calculator
The complete picture for a single trade: position size, exposure, potential profit and loss, and risk/reward — with the arithmetic shown step by step.
Example
$10,000 account · 1% risk · $50 entry · $48 stop
50 shares · $100 at risk · $2,500 position
Position Size Calculator
One question, answered immediately: how many shares should this trade be? Handles long and short, and rounds to whole shares.
Example
Risk $100 with a $2 stop distance
50 shares
Risk/Reward Calculator
Compare the upside to the downside, see the win rate the trade demands, and test what different win rates actually return.
Example
Risk $2 per share to make $6 per share
1 : 3 · break even at 25%
Calculators built into the lesson
These are fully working tools that live inside the dictionary page that explains them, because the concept and the calculation are the same lesson. Change the numbers and read what happens.
Drawdown Calculator
How deep the hole is, and the gain required to climb back out of it.
Example
$10,000 peak falling to $8,000
−20% · needs +25% to recover
Teaches
Leverage & Liquidation
What leverage does to a position, and how far price can move before margin runs out.
Example
$1,000 capital at 10× leverage
$10,000 position · 10% to liquidation
Compound Growth Calculator
What a consistent return per period does to a balance over time.
Example
$10,000 at 2% for 24 periods
$16,084 · 1.61×
Teaches
Expectancy Calculator
Whether an edge actually makes money once win rate and average sizes are combined.
Example
40% win rate · $300 wins · $100 losses
+$60 per trade
Teaches
Pip Value Calculator
Turns forex pip movement into money, so a stop in pips becomes a risk in dollars.
Example
100,000 units · 20 pip stop
$10 per pip · $200 at risk