Forex Earning Calculator
Use this tool to estimate potential forex earnings based on risk management, win rate, and trade frequency.
Assumption for lot size estimate: 1 standard lot ≈ $10 per pip on many USD-quoted pairs (such as EUR/USD).
What this forex earning calculator does
This forex profit calculator gives you a practical estimate of what your strategy could earn over time. Instead of focusing on one lucky trade, it helps you think like a risk manager by using position sizing, reward-to-risk ratio, and expectancy.
In other words, it answers a smarter question: “If I keep following my plan, what might my account look like in 3, 6, or 12 months?”
Why traders use an earnings calculator
- Set realistic goals: See what your current system can actually produce.
- Protect your account: Understand the impact of risking 1% vs 3% per trade.
- Improve strategy quality: Compare different win rates and reward/risk setups.
- Plan your growth: Estimate compounding over time with a consistent process.
How the calculation works
1) Reward-to-Risk Ratio
This is calculated as take profit divided by stop loss in pips. For example, 60 pip target and 30 pip stop = 2:1 reward/risk.
2) Break-even Win Rate
Every reward/risk setup has a break-even win rate. If your real win rate is above that level, expectancy can become positive.
3) Expectancy per Trade
The core formula is:
Expectancy (R) = (Win Rate × Reward/Risk) − (Loss Rate × 1)
Then your expected dollars per trade = risk amount per trade × expectancy.
4) Monthly and compounded projection
The calculator estimates monthly return from your trade frequency and then projects the account forward over your chosen number of months.
Input guide (what to enter)
Account Balance
Your current account size in dollars.
Risk Per Trade (%)
How much of your account you risk if a trade hits stop loss. Many disciplined traders keep this near 0.5% to 2%.
Stop Loss / Take Profit (pips)
These values define your reward/risk ratio and influence both expectancy and position size.
Win Rate (%)
Use real backtest or forward-test data. Avoid guesswork; optimistic win rates can distort projections.
Trades Per Month
Use your average number of valid setups, not a best-case month.
Example scenario
Suppose you have a $5,000 account, risk 1% per trade, use a 30 pip stop and 60 pip take profit, win 45% of trades, and take 20 trades per month. The calculator may show positive expectancy because the 2:1 reward/risk offsets a win rate below 50%.
This is exactly why many forex traders prioritize reward/risk and discipline over trying to be “right” on every trade.
Important limits of any forex income estimate
- Spreads, commissions, and slippage reduce real returns.
- Market conditions change; win rates are not fixed forever.
- Execution quality and psychology matter more than spreadsheet assumptions.
- Compounding can accelerate gains, but also magnifies poor risk control.
How to make your forecast more realistic
- Use at least 100+ trades from a tested strategy.
- Reduce your assumed win rate by a small margin for safety.
- Include total transaction costs per trade in your own journal.
- Run multiple scenarios: conservative, expected, and aggressive.
- Track your actual results monthly and update your calculator inputs.
Final thoughts
A forex earning calculator is not a guarantee tool. It is a decision tool. Used correctly, it helps you avoid emotional trading and focus on process, consistency, and proper money management.
If your expectancy is negative, that is not bad news—it is useful feedback. Adjust your strategy, risk profile, or execution before increasing position size. In trading, survival comes first, then growth.
Educational use only: This calculator does not provide financial advice or guaranteed results.