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Position size calculator
Turn your risk into a lot size. Enter the balance, the percent you are willing to lose and the stop distance; the calculator returns the exact lots for gold, forex pairs, indices and crypto, in your account currency.
Fill in the form to see the result.
Educational arithmetic on the figures you enter. Example prices are placeholders, not live quotes; contract sizes and pip definitions vary by broker. Not financial advice.
How it works
Position sizing fixes the money at risk first and lets the lot size follow. Three numbers decide it:
The result is rounded down to 0.01 lot, the smallest step most brokers accept, so the real risk is never above what you set. The table under the result shows the same stop at other risk levels, which is the quickest way to see what 2% instead of 1% actually means in lots.
For pairs quoted in JPY, CAD, CHF or GBP the pip value has to be converted into USD (and then into your account currency); the calculator asks for that one rate when it is needed and pre-fills an example you should replace.
Zone + layers
Switch to Zone + layers to size a layered entry the way the DGCPUBLIC journal records it: a zone from the first layer to the deepest, up to ten equal layers spread across it, a stop measured beyond the zone end and a target measured from the last filled layer. The calculator returns the lot per layer so that all filled layers together risk your chosen amount at the stop, and shows each layer's own distance to the stop and the target.
Why lot size matters more than entry
Two traders can take the same entry and the same stop; the one who sized for 1% survives a run of losses, the one who sized by feel does not. The drawdown table shows why: a 50% loss needs a 100% gain to get back.
Worked example: gold
Balance $5,000, risk 1%, gold with pip size 0.10, stop 100 pips ($10.00 away):
At 0.05 lots every pip is worth $0.50. If the stop is hit you lose 100 × $0.50 = $50, exactly the 1% you chose. With a 200-pip target the trade pays $100, a 1:2 reward-to-risk.
Same account, same stop, on a $500 balance: risk $5, lot size 0.005, which is below the 0.01 minimum. That is why small accounts need either a tighter stop, a cent account or a smaller pip definition, and why the calculator warns instead of rounding up.
FAQ
Questions traders ask
What lot size should I use for gold with a $100 account?
Risking 1% means $1 per trade. With a 50-pip stop at pip size 0.10 (a $5 move, $10 per pip per lot) the maths gives 0.002 lots, below the 0.01 minimum. On a standard account a $100 balance can only take 0.01 lot with a stop of 10 pips or less at 1% risk, which is too tight for gold. Realistic options are a cent account, a larger balance, or accepting a higher risk percentage and understanding what that does to drawdown. The calculator shows the exact figure so you decide with the numbers in front of you.
How many pips is $1 in gold?
With pip size 0.10, a $1.00 move in the gold price is 10 pips, and one pip is worth $10 per standard lot (100 oz). Some brokers and platforms count the last digit (0.01) as a pip, which makes the same $1.00 move 100 "pips" worth $1 each per lot. The calculator lets you pick either definition; the money result is the same as long as the stop is measured in the same units.
What percentage of my account should I risk per trade?
Common rules of thumb are 0.5% to 2% per trade, and many prop firms cap daily loss at 4-5%, which limits how many 1% trades you can lose in a day. Nothing here is advice: enter a few percentages, look at the lot sizes and at the drawdown-recovery table in the risk/reward calculator, and pick a number you can hold through ten losses in a row.
Does the calculator work for accounts in PKR, AED, INR or EUR?
Yes. Choose the account currency and enter the rate for one US dollar; balance and risk are then read in your currency and every money result is shown in it, with the USD figure alongside. The pre-filled rate is an example and should be replaced with today's rate from your broker.
How does the zone and layers option size a trade?
It follows the journal's rules. Layers are spread evenly from the zone start to the zone end with equal lots; the stop sits a set number of pips beyond the zone end; the target is measured from the last layer that filled. Each filled layer has its own distance to the stop, so the risk is the sum over the layers, and the lot per layer is your risk amount divided by that sum times the pip value. Deeper layers risk less, earlier layers more, and the total lands exactly on your risk figure.
Why does my broker show a different pip value?
Three usual reasons: the contract size differs (100 oz per lot for gold is standard, but indices and crypto vary a lot), the pair is quoted in a currency other than USD so the value moves with the exchange rate, or the platform counts points instead of pips. Check the symbol specification in MT5 (right-click the symbol, Specification) and use the custom instrument option if your broker differs.
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Every member gets a free trading journal: log the size you just calculated, the stop, the target and the outcome, then review by week and by setup.