Updated: 2026-02-20

Free Profit & Loss (PnL) Calculator for Traders

Enter entry price, exit price, position size, and direction to calculate your dollar P&L and percentage return on any long or short trade. The calculator is free and intentionally simple so you can plan trades quickly without skipping risk logic.

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Profit & Loss (PnL) Calculator

Enter entry price, exit price, position size, and direction to calculate your dollar P&L and percentage return on any long or short trade.

Note

Outputs are only as accurate as your inputs.

Side

stdout

$ pnl

$7

  • >Move: 7 per unit (7%)
  • >PnL %: 7%
  • >Notional: $100

How to Use the Profit & Loss (PnL) Calculator

Enter your inputs before you place the trade, not after. Pre-trade planning is where calculators create value.

Use realistic values based on your actual execution conditions. If you understate slippage, fees, or stop distance, output quality collapses.

Document the result inside your journal so you can compare planned vs realized outcomes during review.

How to Calculate Profit and Loss on a Trade

PnL is the price difference between entry and exit, multiplied by your position size, with direction applied. Long trades profit when price rises; short trades profit when price falls.

For leveraged products (perps, futures), this shows price-move PnL only. Funding payments and trading fees are separate costs — use the funding rate and fee calculators to get the full picture.

Example: Buy 0.5 BTC at $60,000, sell at $62,000. PnL = ($62,000 − $60,000) × 0.5 = $1,000 (3.33% return on $30,000 notional).

  • PnL = (exit − entry) × size × direction
  • Notional = entry × size
  • PnL % = PnL / notional × 100

Why This Metric Matters

Most preventable losses come from skipping one simple calculation when markets move fast. This tool enforces the minimum math needed for disciplined execution.

The value compounds when used consistently. One correct risk decision rarely changes a year; repeated correct decisions usually do.

Tie calculator output to your strategy tags so you can evaluate whether your planning assumptions match live performance.

Add It to Your Weekly Workflow

Use this tool at planning time, then compare outcome quality in weekly review sessions.

If planned and realized values diverge, investigate execution behavior before adjusting strategy logic.

Pair this with one behavior correction each week for compounding improvement.

Common Mistakes

Using unrealistic inputs because they feel better emotionally.

Changing parameters mid-trade to justify staying in a bad position.

Treating one output as a signal to trade rather than a risk filter.

Related Resources

FAQ

?Is this Profit & Loss (PnL) Calculator free to use?

Yes. The calculator is free and available without signup.

?How do I calculate profit and loss on a crypto trade?

Multiply the price difference by your position size. For a long: (exit − entry) × units. For a short: (entry − exit) × units. This calculator handles both directions automatically.

?Does this include fees, funding, or slippage?

No. This is price-move PnL only. Trading fees, funding payments, and slippage are separate costs. Use the trading fees calculator and funding rate calculator to estimate those, then subtract from your gross PnL.

?How do I calculate PnL percentage?

Divide dollar PnL by the notional value (entry price × position size) and multiply by 100. Example: $500 profit on $10,000 notional = 5% return. This shows return on exposure, not return on margin.

?What is the difference between gross and net PnL?

Gross PnL is the raw price-move profit or loss. Net PnL subtracts fees, funding, and slippage. Most exchanges show realized PnL that includes some of these costs, but not always all of them.

?Does leverage change the PnL calculation?

Leverage does not change the dollar PnL formula — it only affects how much margin you post. A $10,000 position makes $100 on a 1% move whether you used 1× or 10× leverage. What changes is the percentage return on your margin.

?Can I use this for futures and perpetual swaps?

Yes. Enter the entry and exit prices of your futures or perp position along with the size in units (or contracts). The formula is the same. For inverse contracts, convert to USD-denominated values first.

?Why is direction important?

Direction determines the sign of your PnL. A long profits when price goes up; a short profits when price goes down. Entering the wrong direction flips the sign and gives a misleading result.

?How accurate are calculator outputs?

Outputs are only as accurate as inputs. Use realistic assumptions and review planned vs realized values weekly.

?Can Tiltless save these values to my journal?

Yes. You can pair tool outputs with your review workflow and setup tags for better post-trade diagnostics.

Track profit-loss-calculator with Tiltless

See plans and run one weekly review loop with Tiltless: edges, leaks, and enforceable next actions.

Free Profit & Loss (PnL) Calculator (2026) | Tiltless Tools