ftmo calculator

What is an FTMO calculator?

An FTMO calculator is a planning tool for traders who want to pass a proprietary trading challenge while staying inside strict risk parameters. Most evaluation models include hard limits like a maximum daily drawdown and a maximum overall drawdown. If you violate those limits, the evaluation is typically over—regardless of how strong your strategy may be long-term.

This is why doing the math before placing trades matters so much. Instead of guessing lot sizes or chasing profit targets with oversized positions, you can predefine exactly how much to risk, how many losses you can absorb, and how quickly your strategy could reasonably reach the target.

How this calculator works

The tool above combines account size, risk per trade, stop-loss distance, and strategy assumptions (win rate + reward:risk) into practical outputs. These outputs are designed to help you trade with structure, not emotion.

Core challenge metrics modeled

• Daily loss limit: 5% of account balance
• Maximum loss limit: 10% of account balance
• Phase 1 profit target: 10% of account balance
• Phase 2 profit target: 5% of account balance

These percentages are common in FTMO-style evaluations and provide a strong baseline for realistic planning.

Position size formula

Position size is estimated with this formula:

Lot Size = Risk Amount / (Stop Loss in Pips × Pip Value per Lot)

For example, if your risk amount is $500, your stop loss is 25 pips, and pip value is $10/lot: lot size = 500 / (25 × 10) = 2.00 lots.

Why this matters for passing evaluations

Many traders fail challenges because they focus only on profit targets and ignore the risk side. The fast path to failure is simple: inconsistent position sizing, revenge trading after losses, and no cap on daily downside. A calculator forces objectivity.

• You see exactly how many consecutive losses your risk model can handle.
• You understand whether your current setup has positive expectancy.
• You can set a daily stop rule tied to the challenge's drawdown rules.
• You avoid random lot size decisions under stress.

How to use the results in your trading plan

1) Start with risk per trade

If your per-trade risk is too high, one losing streak can end the challenge. Many traders use 0.25% to 1.00% risk per trade during evaluations. Lower risk usually means smoother equity and more room for strategy variance.

2) Set a realistic stop-loss distance

Your stop loss should come from market structure or volatility, not from the lot size you want to trade. Once stop distance is known, use the calculator output to determine lot size.

3) Check expectancy before scaling up

Expectancy tells you whether your strategy is mathematically favorable: if your expected value per trade is negative, taking more trades only accelerates losses. If it's positive, consistency and risk discipline become the main objective.

4) Use daily risk brakes

A practical rule is to stop for the day at a fixed fraction of the daily loss limit (for example, 40%–60%). That buffer protects you from emotional overtrading and helps prevent hard limit violations.

Example scenario

Suppose you are trading a $100,000 account with 0.5% risk per trade, 20-pip stop, and 2R targets:

• Risk per trade = $500
• Estimated lot size (at $10/pip/lot) = 2.50 lots
• Daily loss limit = $5,000
• Max overall loss = $10,000
• Phase 1 target = $10,000

With this setup, discipline becomes a bigger edge than prediction. You are not trying to “win every trade”—you are trying to preserve capital, maintain consistency, and allow your edge to play out over enough samples.

Common mistakes this calculator helps avoid

• Overleveraging: taking lot sizes that are too large for the stop-loss distance.
• Ignoring drawdown rules: chasing profit and forgetting daily loss constraints.
• No expectancy check: trading a strategy that cannot mathematically reach targets.
• Inconsistent risk: switching from 0.5% risk to 2% risk after a losing streak.
• Emotional recovery trades: trying to “win back” losses in one position.

Quick FAQ

Is this calculator only for FTMO?

No. It works for any prop challenge with similar drawdown and target structures. You can still use it for personal account risk planning too.

What pip value should I enter?

For many major forex pairs, 1.00 lot is often close to $10 per pip (USD-quoted pairs), but this varies by instrument and quote currency. Check your platform's contract specs.

Can a high win rate compensate for poor risk control?

Usually no. Even strategies with strong win rates can fail quickly if risk per trade is too large. Risk management is the foundation that keeps the strategy alive.

Final thoughts

Passing a challenge is less about finding a magical entry and more about controlling downside while executing a repeatable process. Use this FTMO calculator before each trading session, define your maximum acceptable damage, and let your position sizes reflect your plan—not your mood.

If you stay consistent with sizing, respect daily limits, and keep your expectancy positive, you dramatically improve your odds of surviving long enough to succeed.