MT4 Lot Size Calculator

Lot size for MetaTrader 4: forex, US30, NAS100, gold, oil, and crypto CFDs. Risk percent and stop in, lots to open out.

Built for MetaTrader 4 New Order. Same formula on every symbol: risk money divided by stop distance times the value of 1.00 lot per pip or point. Check Tick value in Specification if your broker’s contract is not the preset.

Lots to open (MT4)0.50
Mini lots (0.10)5
Micro lots (0.01)50
Contract units50,000
Value / 1.00 lot / 1 pip10 USD
Risk if stop hits100 USD

Presets are common CFD specs. If MT4 Specification shows another Tick value, type that number. Brokers round lots (often 0.01). Spread can take the stop before your distance.

Frequently Asked Questions

It turns account size, risk percent, and stop-loss distance into the lot size you type in MetaTrader 4 New Order. Same idea on forex (pips) and on index or commodity CFDs (points).
Enter the same stop you will place on the MT4 order (pips on forex, points on indices and commodities). The result is the lot size to type in New Order. Mini is 0.1 lot, micro is 0.01 lot.
It is Tick value from MT4 Market Watch → right-click the symbol → Specification, when tick size equals 1 point. US30 is often $1, GER40 €1, gold $1 per 0.01. Brokers differ — edit the field if your spec is different.
Lots = risk money ÷ (stop distance × value of 1.00 lot per pip or point). A wider stop or a richer contract means fewer lots for the same risk.
No. Forex 1.00 lot is 100,000 units. Index and commodity CFDs use the broker’s contract size. Always match Tick value in Specification, not another broker’s numbers.

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