Risk to Reward Ratio: How to Calculate and Apply It to Every Trade
Risk-to-reward ratio is not just a number — it is the reason some strategies survive losing streaks and others do not.
Risk-to-reward ratio (R:R) is one of the most important concepts in trading, yet it is frequently stated without being understood. The ratio is not a number you aim for to feel disciplined — it is a parameter that, combined with your win rate, determines whether a strategy is profitable over time.
What risk-to-reward means
A 1:2 risk-to-reward means: for every unit of money you risk losing, you stand to gain two units if the trade works.
In practice:
- Stop loss distance: 40 pips → risk = 40 pips
- Target distance: 80 pips → reward = 80 pips
- Ratio: 1:2
The ratio itself says nothing about whether the trade will succeed. It only describes the structure of the payoff.
Why win rate and R:R must be considered together
This is the part most traders miss. A 1:3 risk-to-reward does not guarantee profitability — it depends on how often the trade succeeds.
Breakeven win rate formula:
```
Breakeven win rate = Risk ÷ (Risk + Reward)
```
At 1:2 R:R: 1 ÷ (1 + 2) = 33.3%
At 1:3 R:R: 1 ÷ (1 + 3) = 25%
At 1:1 R:R: 1 ÷ (1 + 1) = 50%
This means: at 1:2 R:R, you only need to be right 34% of the time to break even. Win 40% of the time and you are profitable.
Conversely, at 1:1 R:R, you need to win more than half of all trades just to break even after costs.
The calculation
Step 1 — Set the stop loss: identify the level at which the trade idea is invalidated. Measure the distance from entry to stop in pips.
Step 2 — Set the target: identify the level where you expect price to move. Measure the distance from entry to target in pips.
Step 3 — Calculate the ratio:
```
R:R = (Target distance) ÷ (Stop distance)
```
Entry: 1.0850
Stop: 1.0810 (40 pips)
Target: 1.0930 (80 pips)
R:R = 80 ÷ 40 = 2.0 (1:2)
Step 4 — Decide if it is worth taking:
If your historical win rate is 40%, a 1:2 setup is worth taking.
If your historical win rate is 28%, a 1:2 setup barely breaks even. A 1:3 would be required.
Minimum acceptable R:R
There is no universal minimum. The right minimum depends on your win rate:
| Win Rate | Minimum R:R needed to profit |
|---|---|
| 60% | 0.75 or higher |
| 50% | 1.0 or higher |
| 40% | 1.5 or higher |
| 33% | 2.0 or higher |
| 25% | 3.0 or higher |
Most professional guidelines suggest a minimum of 1:1.5 to 1:2 for discretionary traders with typical win rates of 40–55%.
What happens when you force R:R
A common mistake: a trader has a technically sound setup with a 40-pip stop and a realistic 40-pip target (1:1). They extend the target to 80 pips to achieve "better R:R." The target has no technical basis — it is just further away. The trade hits the stop far more often because the "target" was never realistic.
R:R must reflect where price is actually likely to go, not where you need it to go to achieve a desired ratio. A 1:1 setup at a technically valid target is better than a 1:3 setup with an arbitrary target that price never reaches.
Frequently Asked Questions
Should I only take trades with 1:2 or better?
Not necessarily. The minimum should be derived from your tested win rate. Rejecting all 1:1 setups when your strategy naturally produces 60%+ win rates is throwing away valid trades.
Can I calculate R:R without knowing my exact entry?
Yes. Use the expected entry range. If you anticipate entering between 1.0848 and 1.0852, use the midpoint for the ratio calculation. The exact entry will adjust the actual ratio slightly.
Does a higher R:R mean a better trade?
No. A 1:5 trade that wins 10% of the time is worse than a 1:1 trade that wins 60% of the time. R:R is only meaningful in relation to win rate.
How do I know my actual win rate?
Track every trade. After 50+ trades, your win rate will be statistically meaningful. Most traders overestimate their win rate because they remember winners more clearly.
Is risk-to-reward the same as profit factor?
No. Profit factor is total gross profit divided by total gross loss across all trades — it incorporates both R:R and win rate. R:R describes a single trade. Profit factor describes a strategy over many trades. A profit factor above 1.0 means the strategy is profitable overall.
Related Articles
- Position Size Calculator Guide
- Stop Loss Placement
- How to Pass a Prop Firm Challenge
- How to Manage an Open Trade
Not financial advice. This article is educational. Trading carries substantial risk and you can lose more than your deposit. See our risk disclaimer.
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