Position Size Calculator for Forex and Gold (USD, AED, SAR)

Account Balance

Risk Percentage (%)

Instrument

Stop Loss (pips)

Pip Value (USD per standard lot)

Set automatically for the instrument you choose.

Lot Size

standard lots

Risk (USD)

Risk (AED)

Risk (SAR)

Formula

Risk Amount = Balance × (Risk % ÷ 100)

Lot Size = Risk Amount ÷ (Stop Loss × Pip Value)

Risk no more than 1–2% of your account per trade.

What Is Position Sizing in Forex?

Position sizing is the process of calculating how many lots to trade so that a losing trade - stopped out at your predetermined stop-loss level - costs no more than your chosen risk amount. It is the single most important risk management discipline in forex trading.

Professional traders in the UAE and Gulf region typically risk 1–2% of their account per trade. This keeps any single loss small enough that a run of losing trades does not wipe the account.

Position Size Formula

Formula:
Lots = Risk Amount ÷ (Stop-Loss in Pips × Pip Value per Lot)

Example:
Account: $10,000 · Risk: 1% ($100) · Stop-loss: 50 pips · Pair: EUR/USD
Pip value on EUR/USD standard lot = $10
Lots = $100 ÷ (50 × $10) = 0.20 lots (20,000 units)

Position Size Examples by Account Size

Account	Risk 1%	50-pip SL on EUR/USD	Position size
$1,000	$10	50 pips	0.02 lots
$5,000	$50	50 pips	0.10 lots
$10,000	$100	50 pips	0.20 lots
$50,000	$500	50 pips	1.00 lot

Worked Examples: AED Account, Gold and USD/JPY

AED account on EUR/USD
Balance AED 5,000 (about $1,361 at the fixed 3.6725 rate) · Risk 1% = AED 50 (about $13.61) · Stop loss 25 pips · Pip value $10
Lots = $13.61 ÷ (25 × $10) = 0.05 lots (5 micro lots)

Gold (XAU/USD)
Balance $2,000 · Risk 1% = $20 · Stop loss $8 below entry · A $1 move is worth $100 per standard lot of 100 oz
Lots = $20 ÷ (8 × $100) = 0.025, so trade 0.02 lots and round down, never up. Contract sizes for gold differ between brokers, so confirm yours in the instrument specification.

USD/JPY
One pip is 0.01 yen, so a standard lot moves 1,000 yen per pip. At a price of 150, that is 1,000 ÷ 150 = about $6.67 per pip.
Balance $5,000 · Risk 1% = $50 · Stop loss 30 pips
Lots = $50 ÷ (30 × $6.67) = 0.25 lots

Want to test a position-sizing plan before risking money? Replay real charts in the free backtesting tool, or read the guide to risk management and position sizing.

Frequently Asked Questions

How much should I risk per forex trade?

Most professional traders risk 1–2% of their account per trade. At 1% risk, you need 50 consecutive losing trades to lose half your account - which gives you enough runway to recover. Risking 5% or more per trade is considered high risk and common among traders who blow accounts.

What is a good position size for a $1,000 account?

At 1% risk ($10) with a 50-pip stop-loss on EUR/USD, the correct position size is 0.02 lots (2,000 units). Many beginners trade 0.1 or 1 lot without calculating, risking 10–100 times more than they should.

Does position size change for different currency pairs?

Yes. Pip value differs by pair, especially for JPY pairs where one pip = 0.01 instead of 0.0001. Always calculate using the correct pip value for the pair you are trading. Use the pip value calculator to find the right number before entering the position size formula.

What lot size should I use on XM with a $500 account?

With a $500 account risking 1% ($5) and a 20-pip stop-loss on EUR/USD (pip value $10/standard lot): Lot size = $5 ÷ (20 × $10) = 0.025 lots. On XM you would select 0.02 or 0.03 lots (the nearest available increment on a micro account). Never trade a full 0.1 or 1.0 lot on a $500 account - that risks $20-$200 per trade, which is 4-40% of your capital.

How do I calculate position size in AED or SAR?

The position size formula works in any currency - just convert your account balance and risk amount first. If your account is in AED: divide your AED balance by 3.6725 to get USD, then calculate in USD as normal. Alternatively, use the Risk (AED) display above - it shows your USD risk amount automatically converted at the fixed AED/USD peg of 3.6725.

Is 2% risk per trade too much for beginners?

Many experienced traders cap risk at 1% per trade, not 2%. At 1%, a 20-trade losing streak costs 18% of your account. At 2%, the same streak costs 33%. For beginners in the Gulf who are still learning, starting at 0.5-1% risk per trade gives more room to make mistakes without catastrophic losses. Increase to 2% only once you have a proven system with a positive expectancy over at least 100 trades.

حاسبة حجم الصفقة للمتداولين في الخليج

تحسب هذه الأداة حجم اللوت المناسب لكل صفقة بناءً على رصيد حسابك ونسبة المخاطرة ووقف الخسارة. النتيجة تظهر بالدولار والدرهم الإماراتي والريال السعودي. القاعدة الأساسية: لا تخاطر بأكثر من 1-2% من رصيدك في صفقة واحدة. مثال: حساب 10,000 دولار + مخاطرة 1% + وقف خسارة 50 نقطة على EUR/USD = حجم صفقة 0.20 لوت.

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