Risk/Reward Ratio Calculator
The Risk/Reward Calculator turns your entry, stop loss, and take profit into an R:R ratio, breakeven win rate, and a visual trade chart. It computes ratio = reward distance ÷ risk distance (|TP − entry| ÷ |entry − SL|), shown as 1:X, and breakeven win rate = 1 ÷ (1 + ratio) × 100%. Add a currency pair and lot size for pip and dollar values.
- R:R formula: ratio = reward distance ÷ risk distance, where risk = |entry − stop loss| and reward = |take profit − entry|; a buy at 1.0850 with SL 1.0820 and TP 1.0920 gives 30 vs 70 pips = 1:2.33.
- Breakeven win rate = 1 ÷ (1 + R:R) × 100%. So 1:1 needs 50%, 1:2 needs 33.3%, and 1:3 needs 25% — your actual win rate must beat this (after spreads) to be profitable.
- The tool rates each ratio: 1:3 or higher is Excellent, 1:2–1:2.99 Good, 1:1–1:1.99 Acceptable, and below 1:1 Poor.
- Selecting a pair converts distances to pips using the correct pip size (0.0001 for most pairs, 0.01 for JPY pairs); EUR/USD is the default.
- Position size never changes the R:R ratio — only the dollar amounts. Risk $ = lot multiplier × lots × contract size × pip size × risk pips.
Risk/Reward Ratio Calculator
Enter your entry, stop loss, and take profit to instantly see your R:R ratio, breakeven win rate, and a visual chart of your trade levels.
How to Use the Risk/Reward Calculator
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Choose Your Trade Direction
Select Buy (Long) if you expect the price to rise, or Sell (Short) if you expect it to fall. This determines the valid placement of your stop loss and take profit.
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Enter Your Price Levels
Input the entry price, stop loss, and take profit. For a buy trade, the stop loss must be below entry and take profit above. For a sell, the opposite applies.
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Select a Currency Pair (Optional)
Choosing a pair converts the price distances into pips using the correct pip size (0.0001 for most pairs, 0.01 for JPY pairs). This also enables dollar value calculation.
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Add Position Size (Optional)
Enter your lot size and type to see the risk and reward in dollar amounts. This helps you check that the dollar risk fits your risk management rules.
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Analyze Your Results
Review the R:R ratio, breakeven win rate, and the visual chart. A ratio of 1:2 or better is generally recommended. The breakeven win rate tells you the minimum accuracy you need to be profitable.
Why R:R Ratio Is Critical for Long-Term Profitability
Most traders focus on win rate — the percentage of trades they get right. But risk/reward ratio is equally important, and often more so. A trader who wins 40% of their trades can still be highly profitable with the right R:R ratio.
Consider two traders over 100 trades, each risking $100 per trade:
| Trader | Win Rate | R:R Ratio | Wins | Losses | Net Profit |
|---|---|---|---|---|---|
| Trader A | 60% | 1:1 | 60 × $100 = $6,000 | 40 × $100 = $4,000 | +$2,000 |
| Trader B | 40% | 1:2.5 | 40 × $250 = $10,000 | 60 × $100 = $6,000 | +$4,000 |
Trader B wins less often but makes twice as much money because each winning trade earns 2.5 times the risk. This is the power of risk/reward.
The Golden Rule
Your actual win rate must exceed your breakeven win rate for profitability. If your R:R is 1:2 (breakeven = 33.3%), you need to win more than 33.3% of your trades. The wider the gap between your actual and breakeven win rates, the more profitable you are.
Win Rate vs Risk/Reward — The Math Explained
The breakeven win rate formula is:
This tells you exactly how often you need to win to not lose money at a given risk/reward ratio:
| R:R Ratio | Breakeven Win Rate | Interpretation |
|---|---|---|
| 1:0.5 | 66.7% | Need to win 2 out of 3 trades |
| 1:1 | 50.0% | Need to win half your trades |
| 1:1.5 | 40.0% | Win 2 out of 5 trades |
| 1:2 | 33.3% | Win 1 out of 3 trades |
| 1:3 | 25.0% | Win 1 out of 4 trades |
| 1:4 | 20.0% | Win 1 out of 5 trades |
| 1:5 | 16.7% | Win 1 out of 6 trades |
The Spread Tax
These breakeven rates assume zero transaction costs. In reality, spreads and commissions eat into your profits, so your actual required win rate is slightly higher. On tight-spread major pairs (1-2 pip spread), the impact is small. On wide-spread exotics (5-10+ pips), it significantly shifts the math against you.
R:R Ratio Examples from Real Trading Strategies
Scalping Strategy (1:1 to 1:1.5)
Scalpers take quick trades with tight stops, typically 5-15 pips. They rely on high win rates (60-75%) rather than large R:R ratios. A scalper might enter EUR/USD at 1.0850 with a 10-pip stop (1.0840) and 12-pip target (1.0862), giving a 1:1.2 R:R.
Day Trading Strategy (1:1.5 to 1:2.5)
Day traders hold positions for hours and target 20-50 pip moves. A typical setup: buy GBP/USD at 1.2650, stop at 1.2620 (30 pips), target 1.2720 (70 pips). This gives a 1:2.33 R:R with a breakeven win rate of just 30%.
Swing Trading Strategy (1:2 to 1:4)
Swing traders hold for days or weeks and can afford wider stops. A swing trade might risk 80 pips to target 240 pips (1:3 R:R). With a breakeven of 25%, even a 35% win rate produces steady gains over time.
Position Trading Strategy (1:3 to 1:10)
Position traders take long-term directional bets based on fundamental analysis. They may risk 200 pips on a 1000-pip target (1:5 R:R). The breakeven win rate of 16.7% means they can be wrong 5 out of 6 times and still break even.
How to Set Stop Loss and Take Profit Properly
A common mistake is choosing SL and TP levels to achieve a specific R:R ratio. Instead, set your levels based on market structure first, then check if the resulting R:R is acceptable.
Stop Loss Placement
| Method | How It Works | Best For |
|---|---|---|
| Structure-based | Place SL behind the nearest support/resistance level | All timeframes |
| ATR-based | Set SL at 1.5-2× the Average True Range | Volatile markets |
| Swing point | Place SL beyond the most recent swing high/low | Trend trading |
| Moving average | Place SL beyond a key moving average (e.g., 20 EMA) | MA-based strategies |
Take Profit Placement
| Method | How It Works | Best For |
|---|---|---|
| Next S/R level | Target the next significant support or resistance zone | All strategies |
| Measured move | Project the previous impulse wave length from the breakout point | Breakout trading |
| Fibonacci extension | Use 1.272 or 1.618 extensions of the previous move | Wave-based strategies |
| Trailing stop | Let profits run by trailing the SL behind price action | Strong trends |
The Right Approach
1. Identify the trade setup. 2. Place stop loss where the setup is invalidated. 3. Identify the logical take profit target. 4. Calculate the R:R. 5. Only take the trade if R:R meets your minimum threshold (typically 1:1.5 or higher).
Frequently Asked Questions
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The risk/reward ratio compares how much you stand to lose versus how much you could gain on a trade. It's calculated by dividing the potential reward (distance from entry to take profit) by the potential risk (distance from entry to stop loss). A 1:2 ratio means for every dollar you risk, you could gain two dollars.
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Most professional traders consider 1:2 the minimum acceptable ratio for swing and day trading. A 1:2 ratio means you only need a 33.3% win rate to break even. Ratios of 1:3 or higher are excellent — they allow profitability even with relatively low win rates. However, the "best" ratio depends on your strategy's natural win rate.
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For a buy trade: R:R = (Take Profit - Entry) ÷ (Entry - Stop Loss). For a sell trade: R:R = (Entry - Take Profit) ÷ (Stop Loss - Entry). The result gives you the reward multiple. A result of 2.5 means a 1:2.5 ratio — 2.5 units of potential reward per 1 unit of risk.
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The breakeven win rate is the minimum percentage of trades you must win to avoid losing money. Formula: 1 ÷ (1 + R:R Ratio) × 100. For example, with a 1:2 ratio, breakeven = 1 ÷ 3 = 33.3%. Your actual win rate must exceed this number (after factoring in trading costs) for the strategy to be profitable.
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Not necessarily. Higher R:R ratios require your take profit to be further from entry, which means fewer trades will reach the target. A 1:5 ratio sounds ideal, but if only 10% of trades hit the target (below the 16.7% breakeven), you still lose money. The key is matching your R:R to a win rate you can realistically achieve with your strategy.
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Position size does not change the R:R ratio. A 30-pip stop and 60-pip target always gives 1:2, whether you trade 0.01 lots or 10 lots. However, position size determines the dollar value: with 1 standard lot on EUR/USD, a 30-pip stop loss = $300 risk. Always check that the dollar risk stays within your per-trade risk budget (typically 1-2% of account).
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In practice, win rate and R:R are inversely correlated. Wider take profits (higher R:R) are harder to reach, lowering your win rate. Tighter take profits (lower R:R) are hit more often, raising your win rate. The profitability formula is: (Win Rate × Avg Win) - (Loss Rate × Avg Loss) > 0. Both variables matter; optimize the combination, not just one.
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Yes, but you need a win rate above 50% — more like 55-60% to cover spreads and commissions. Many scalping and mean-reversion strategies use 1:1 R:R with high-accuracy entries. The downside is that any slippage, wider spreads, or execution issues quickly erode your edge since there's no reward buffer.
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Place your stop loss where your trade thesis is invalidated — behind a key support/resistance level, swing point, or at an ATR-based distance. Set take profit at the next significant level or using measured moves and Fibonacci extensions. Never force levels to hit a specific R:R. Instead, find the natural levels, calculate the R:R, and skip the trade if the ratio doesn't meet your minimum threshold.
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It varies by style. Day traders typically target 1:1.5 to 1:2.5. Swing traders usually aim for 1:2 to 1:4. Position traders and macro traders may hold for 1:3 to 1:10. The common thread is that professionals rarely take trades below 1:1. They pass on setups that don't offer sufficient reward relative to the risk, which is the core of disciplined trading.
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