Position Size
Calculator
Size every trade to a fixed risk. Enter your account, stop loss and leverage to get the exact position size that protects your capital.
Risk Per Trade
Direction
Master Your Risk Management
Most traders lose because they risk too much per trade. Pair this tool with our breakout alerts to trade with mathematical discipline.
LAUNCH LIVE SCANNER*Max safe leverage keeps liquidation beyond your stop. Excludes fees & funding.
How to Size a Position
Four steps to risk a fixed amount on every crypto trade.
Set Account & Risk
Enter balance and risk % per trade (1–2% is the pro standard).
Entry & Stop
Enter your entry and stop-loss, or load a live coin price.
Leverage & Target
Optionally add leverage and a take-profit for margin & R:R.
Read Size
Get notional size, quantity and required margin within your risk.
The Guide to Position Sizing & Risk Management
In volatile crypto markets, survival isn't about catching moonshots — it's about how precisely you calculate position size. The crypto position size calculator is the bridge between gambling and professional trading. It's built for Binance, Bybit and Bitget traders, working as a crypto lot size calculator for spot and a crypto futures position size calculator for leverage.
The 1% Rule
The gold standard is risking no more than 1% of account equity per trade. Risk 10% and a streak of 5 losses depletes 50% of your account — needing a 100% gain to recover. At 1%, those same losses cost ~5%, needing only ~5.3% to recover. This asymmetry is why sizing matters more than the entry.
Why Sizing Beats Price
- Emotion control: smaller size prevents revenge trading.
- Slippage: oversized alt positions get bad fills.
- Compounding: consistent sizing yields predictable growth.
The Core Formula
The tool uses the standard quantitative sizing formula, adjusted for leverage:
If the stop is 2% away and you risk 1%, your position is 0.5× account size. If the stop is 0.5% away, it's 2× — which is where leverage comes in. Leverage isn't extra risk; it's the tool to reach the size your risk math demands.
The Sleep Test
If you check P&L every 5 minutes at night, your position size crypto is too large. Treat capital like inventory, not chips.
Volatility Adjust
High-beta alts ($PEPE, $WIF) have larger ATR than BTC/ETH — widen stops and cut size to keep risk per trade constant.
Scaling In & Out
Enter 50% on the breakout, 50% on the retest. The calculator gives the aggregate size so weighted risk stays within 1%.
5 Commandments of Sizing
Honesty With Balance
Use available trading capital, not net worth. Base risk on real collateral.
Total Exposure Limit
Keep 3–5 active trades max. Manage portfolio-wide risk.
Stop Loss Before Size
Decide where you're wrong first. Size is a function of stop distance.
Include Fees
Maker/taker fees eat profit. Aim for R:R of at least 2:1.
Respect Liquidation
Keep leverage below the max-safe level so liquidation sits beyond your stop.
Frequently Asked Questions
Is there a position size calculator crypto app?
Our platform is a fully responsive PWA, so it works as a position size calculator crypto app on any smartphone. Unlike a crypto position size calculator excel sheet, it updates in real-time with live exchange feeds.
How do I use this as a crypto futures position size calculator?
Set your leverage and the tool returns the required margin and exact notional position size based on the margin requirements of exchanges like Binance and Bybit.
How do I calculate for Spot trading?
Set leverage to 1. The calculator tells you exactly how much of the asset to buy with your available cash so you only lose your chosen risk % if the stop loss is hit.
Does this tool work for shorting?
Yes. Short position sizing math is identical — it relies on the absolute percentage distance between entry and stop loss, so it works for both longs and shorts.
What risk % should I use per trade?
Professional traders risk 1–2% of account equity per trade. Risking more invites Risk of Ruin: five 10% losses cut your account in half, needing a 100% gain to recover.
How is leverage different from position size?
Position size is the notional value of your trade; leverage is just the tool that lets your collateral reach that size. This calculator sizes by risk first, then shows the margin leverage requires.
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