Calculate the exact cost of spreads for your trades and understand how spread impacts your profitability.
Calculate the actual dollar cost of the spread for your position size.
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The Spread Cost Calculator reveals the hidden cost of trading by calculating exactly how much you pay your broker in bid-ask spread for every trade you open. The spread is the difference between the buying price (ask) and selling price (bid) of a currency pair, and this difference represents the broker's profit or fee.
Understanding spread costs is critical for evaluating broker competitiveness and strategy profitability. For high-frequency traders and scalpers, spread costs can be the difference between profit and loss. A seemingly small 2-pip spread becomes a significant expense when trading multiple times per day.
Spread Cost = Spread (in pips) × Pip Value × Lot Size
Where:
For a standard lot (100,000 units) of EUR/USD, one pip equals $10. If the spread is 1.5 pips, your immediate cost is $15 per trade.
Example 1: Standard EUR/USD Trade
Calculation:
Spread Cost = 1.5 pips × $10 = $15 USD
You start every trade -$15. To break even, the price must move 1.5 pips in your favor.
Example 2: Scalper Trading 10 Times Daily
Calculation:
Cost per Trade = 2.0 × $5 (0.5 lot pip value) = $10
Daily Cost = $10 × 10 trades = $100 USD
Monthly Cost (20 trading days) = $100 × 20 = $2,000 USD
A scalper with a $10,000 account pays 20% of their capital annually just in spreads. This highlights why scalpers need ultra-tight spreads.
Example 3: Broker Comparison
Broker A (Market Maker):
Broker B (ECN):
Winner: Broker B is 60% cheaper despite having a "commission." This demonstrates why you must calculate total costs, not just compare spreads.
Calculate broker commission fees for your trades. Compare per-lot vs per-side commissions and understand your true trading costs.
Calculate the exact price level where your trade covers all costs and breaks even.
Instantly calculate the monetary value of each pip movement for any currency pair and position size.
Calculate your potential profit or loss for any trade before entering the market.
Tools that work best with the Spread Cost Calculator
Free broker commission calculator. Calculate per-trade and monthly commission costs based on lot size and commission structure. Supports per-lot and round-trip calculations.
Free break-even calculator for forex. Calculate the exact price where your trade covers spread and commission costs. Supports buy and sell positions with custom fees.
Free pip value calculator for forex. Find the exact dollar value of each pip for any currency pair, lot size, and account currency. Supports majors, crosses, and exotics.
Free forex profit and loss calculator. Enter entry price, exit price, and lot size to see your PnL in both pips and dollars. Supports buy and sell positions.