Calculate your perfect position size — in seconds
Risk-managed trade sizing with fees, slippage, and 2R targets baked in. Start your 30-day free trial — no card required.
Results — BTC Long (System 1 · 2R)
Position size
0.1117 BTC
Notional @ entry
$8,535.23
Expected loss (ex fees)
$46.0204
Planned total risk
$55.0000
TP (2R)
2.000R
$92.04
Entry
76,394.00
Target
77,218.00
Expected loss
$46.02
Fees
$7.69
Slippage
$1.28
Total risk
$55.00
Built for serious crypto traders
Everything a serious trader needs
Precise sizing
Calculate position size accounting for taker/maker fees, stop slippage, and quantity step rounding so your real risk matches your planned R.
Two systems built in
System 1 locks 2R targets automatically. System 2 lets you set your own TP and shows the resulting R-multiple.
Track your edge
Save every trade, log outcomes, and see your win rate, total R, and cumulative performance over time.
How it works
Enter your trade setup
Entry price, stop loss, and how much you're willing to risk in dollars.
See results live
Exact position size, fees, slippage reserve, and target levels update as you type.
Save & review
Save the trade to your journal and review it in your performance dashboard.
TradeSize Pro
€4.99/month
- Unlimited trades
- Unlimited calculations
- Full journal & dashboard
- CSV export
- Cancel anytime
No credit card required to start
Frequently asked questions
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