Stop Loss Calculator
Free Stop loss Calculator for risk management. Enter your numbers to see returns, costs, and optimized scenarios instantly.
Reviewed for accuracy by Daniel Agrici, Founder & Lead Developer
Stop Loss Calculator
Calculator
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Formula: Stop Loss Price = Entry Price ± (Risk Amount / (Pip Value × Lot Size)) × Pip Size
Worked example — Stop Loss: 1.08300 | Risk: 20 pips | $100
Formula
Stop Loss Price = Entry Price ± (Risk Amount / (Pip Value × Lot Size)) × Pip Size
First calculate the dollar amount at risk by multiplying account balance by risk percentage. Then divide by pip value for your position size to get stop loss distance in pips. For buy trades, subtract the pip distance from entry price. For sell trades, add the pip distance to entry price.
Worked Examples
Example 1: Conservative Day Trade EUR/USD
Problem:Account: $10,000 | Risk: 1% | Lot size: 0.5 standard lots | Entry: 1.0850 (Buy) | Pip value: $10/lot
Solution:Risk amount = $10,000 × 1% = $100 Pip value for 0.5 lots = $10 × 0.5 = $5 per pip Risk in pips = $100 / $5 = 20 pips Stop loss = 1.0850 - (20 × 0.0001) = 1.0830
Result:Stop Loss: 1.08300 | Risk: 20 pips | $100
Example 2: Swing Trade GBP/USD Sell
Problem:Account: $25,000 | Risk: 2% | Lot size: 1 standard lot | Entry: 1.2650 (Sell) | Pip value: $10/lot
Solution:Risk amount = $25,000 × 2% = $500 Pip value for 1 lot = $10 per pip Risk in pips = $500 / $10 = 50 pips Stop loss = 1.2650 + (50 × 0.0001) = 1.2700
Result:Stop Loss: 1.27000 | Risk: 50 pips | $500
Frequently Asked Questions
How do I calculate the correct stop loss placement?
To calculate stop loss placement, you need your entry price, account balance, risk percentage, lot size, and pip value. First, determine your dollar risk: multiply account balance by risk percentage. Then calculate how many pips that equates to by dividing dollar risk by pip value per pip for your position size. Finally, subtract that pip distance from your entry price for buy trades, or add it for sell trades. For example, with a $10,000 account risking 1% trading 1 standard lot of EUR/USD at 1.0850: risk = $100, pip distance = $100 / $10 = 10 pips, stop loss = 1.0840.
What is the best risk percentage for stop loss calculations?
Most professional traders recommend risking between 0.5% and 2% of your account balance per trade. The 1% rule is the most widely adopted standard because it allows you to withstand a series of consecutive losses without significant drawdown. With 1% risk, even 10 straight losses only reduce your account by roughly 9.6%. Beginners should start at 0.5% or less until they have a proven track record. Never exceed 2% risk per trade, as the mathematical recovery from large drawdowns becomes exponentially harder. A 50% drawdown requires a 100% return just to break even.
Should I place my stop loss based on technical analysis or risk management?
The ideal approach combines both methods. First, identify a logical stop loss level using technical analysis — this could be below a support level, below a swing low, or beyond a key moving average. Then use your risk management calculator to determine if the lot size required to keep risk at your target percentage makes sense for that stop distance. If the technical stop loss requires too large a position risk, either reduce your lot size to fit the technical level, or skip the trade entirely. Never move your stop loss closer just to use a larger position size, as this increases the probability of being stopped out.
How does lot size affect stop loss distance?
Lot size and stop loss distance have an inverse relationship when your dollar risk is fixed. Larger lot sizes mean each pip is worth more money, so your stop loss must be tighter (fewer pips) to stay within your risk budget. Conversely, smaller lot sizes allow for wider stop losses. For example, risking $100 with 1 standard lot on EUR/USD gives you only 10 pips of room ($10/pip). But with 0.1 lots (mini lot), you get 100 pips of room ($1/pip). This is why proper position sizing is crucial — it lets you place your stop loss at technically significant levels rather than being forced into arbitrary tight stops.
What is a trailing stop loss and when should I use one?
A trailing stop loss automatically moves your stop loss in the direction of your trade as the price moves favorably, locking in profits while still giving the trade room to breathe. For example, if you buy EUR/USD at 1.0850 with a 30-pip trailing stop, your initial stop is at 1.0820. If price moves to 1.0880, your stop automatically moves to 1.0850 (breakeven). Trailing stops are best used in trending markets where you want to capture extended moves. They are less effective in ranging or choppy markets where they tend to get triggered prematurely. Many traders use a combination: a fixed initial stop loss and then switch to a trailing stop once the trade is in profit.
References
Reviewed for accuracy by Daniel Agrici, Founder & Lead Developer · Editorial policy
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