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Position Size

Decide what you're willing to lose if your stop is hit, and get the exact position size, with fees included. It also shows your margin, the estimated liquidation price, the estimated liquidation limit, your risk:reward and the win rate you need.

Open Position Size Calculator
Account Size$10,000
Risk on This Trade
Entry Price$80,000
Stop-Loss Price$76,800
Leverage5x
Fee per Side0.05%
Position Size0.03050 BTCLoss if the stop is hit: $100, fees included
Position Value$2,440
Margin Needed$488at 5x
Est. Liquidation$64,400Beyond your stop
Estimated Liquidation Limit22x
Risk:Reward1 : 2.56$256 if every target hits
Break-Even Win Rate28.1%
Liq.64,400Stop76,800Entry80,000TP184,800TP289,600TP396,000

The worked example from the calculator: account $10,000, entry $80,000, stop $76,800, 5x, fee per side 0.05%. Change the risk to see the size update.

Four More Free Calculators

Illustrative math, not trade calls or returns. Change an input to explore the math, or open a calculator for your full setup.

  • Crypto Profit

    Compare the exit price with the entry price.

    Entry $80,000 Exit $84,800
    Exit - Entry = Change per Coin
    +$4,800 per coin +6.0%
    Open Crypto Profit Calculator
  • Margin and Liquidation

    See margin and estimated liquidation at the leverage you choose.

    Entry Stop Liq. $64,400
    Beyond your stop
    $2,440 ÷ Leverage = Margin
    $488 margin
    Open Margin and Liquidation Calculator
  • Win Rate

    Wins ÷ Total Trades × 100

    Break-even at 1 : 2
    Wins ÷ Total Trades × 100
    30% win rate Below break-even at 1 : 2
    Open Win Rate Calculator
  • Average Down

    Total Cost ÷ Total Coins

    Buy 1 $80,000 Buy 2 $76,800 Average $78,400
    (Buy 1 + Buy 2) ÷ 2 = Average
    $78,400 cost per coin
    Open Average Down Calculator

How Position Size Works

Position size = the amount you're willing to lose ÷ (the distance from entry to stop + the fees).

  1. 1

    Account $10,000, risking 1%: the most this trade may lose is $100.

    $100Max loss
  2. 2

    Entry $80,000, stop $76,800: the stop is $3,200 away, or 4%.

    4.00%Stop distance
  3. 3

    Without fees: $100 ÷ $3,200 = 0.0313 BTC. With 0.05% paid on the way in and out, the calculator sizes slightly smaller, 0.03050 BTC (a $2,440 position), so the loss with fees is still $100.

    0.03050BTC position
  4. 4

    At 5x you put up $488 of margin. The estimated liquidation, $64,400, sits below the stop, so the stop gets you out first.

    $488Margin at 5x
  5. 5

    Closing 50% at $84,800, 30% at $89,600 and 20% at $96,000 makes $256 if every target hits, against $100 at risk: a risk:reward of 1 : 2.56. At that ratio you break even winning 28% of trades.

    1 : 2.56Risk:reward

Funding and slippage come on top, so a real loss at the stop can be a little larger.

General information, not financial advice. Crypto trading is risky.

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