Forex Lot Size Calculator | Free Position Size Calculator
FREE TRADING TOOL

Forex Lot Size Calculator

Enter your trading instrument, entry price, stop loss and maximum risk. Your recommended lot size is calculated automatically.

Calculate Your Lot Size

Set your maximum risk first, then enter your planned entry and stop-loss prices.

Select the instrument you want to trade.
Your planned trade entry price.
Your planned stop-loss price.
Enter the maximum amount you are willing to risk.
RECOMMENDED LOT SIZE
standard lots
MAXIMUM RISK
SL DISTANCE
ESTIMATED LOSS
Enter your trade details above to calculate your recommended lot size.

How It Works

Calculate your position size in three simple steps.

1

Choose Your Instrument

Select the Forex pair, Gold, index, commodity or crypto instrument you want to trade.

2

Set Entry, SL & Risk

Enter your entry price, stop-loss price and the maximum amount you are willing to risk.

3

Get Your Lot Size

The calculator automatically estimates the position size based on your selected risk.

Calculate Lot Size Across Markets

Start with popular trading instruments and expand your calculations as your trading needs grow.

Forex

EURUSD, GBPUSD, USDJPY, USDCHF, USDCAD and more.

Gold & Metals

XAUUSD Gold and XAGUSD Silver.

Indices

NAS100, US30 and SPX500.

Commodities & Crypto

USOIL, UKOIL, BTCUSD and ETHUSD.

Frequently Asked Questions

A lot size calculator helps traders estimate the position size they can use based on their maximum acceptable risk and stop-loss distance.
No. This calculator focuses on your maximum dollar risk. You can choose any risk amount that fits your own trading plan.
Yes. XAUUSD is calculated separately from standard Forex pairs using a configurable contract-size assumption.
Brokers can have different contract sizes, tick values, minimum lot sizes, lot steps, spreads, commissions and execution conditions. Always verify the final position size with your broker.
No. This is an educational calculator designed to help estimate position size. It does not provide investment or trading advice.
Disclaimer: This calculator is provided for informational and educational purposes only and does not constitute financial, investment or trading advice. Actual trading results can differ because of broker-specific contract specifications, spreads, commissions, swaps, slippage and execution conditions. Always verify the instrument specifications and final position size with your broker before placing a trade.