Forex Lot Size Calculator

Size every forex trade by the risk you can afford. Enter your account balance, risk %, and stop-loss in pips to get the exact lot size and units to trade.

Risk Inputs

Account Balance

Risk per Trade %

Stop-Loss (pips)

pips

Pip value per standard lot

Defaults to $10 for pairs quoted in your account currency. Use the Pip Value Calculator for cross pairs.

Results

Risk Amount—

Standard Lots—

Mini Lots—

Micro Lots—

Position Size (units)—

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よくある質問

How do I calculate forex lot size?

Lot size = (account balance × risk %) ÷ (stop-loss in pips × pip value per standard lot). The result is standard lots; ×10 for mini, ×100 for micro.

What lot size should I use with a $1,000 account?

It depends on risk and stop. Risking 1% ($10) with a 20-pip stop and $10 pip value gives 0.05 standard lots (5 micro lots). Enter your own numbers above.

What is the pip value per standard lot?

For most pairs quoted in your account currency it's about $10 per pip per standard lot. Use the Pip Value Calculator for an exact figure on cross pairs, then enter it here.