How to Calculate Lot Size on Exness: Standard vs Cent Accounts

Exness lot size confusion has one specific cause most other brokers don't share: its Cent accounts don't use standard lots at all — they use a completely different unit, denominated in cents instead of dollars. Get that distinction wrong and a position sized for a Cent account can be 100x larger than intended on a Standard one. This guide covers exactly how lot size works on each Exness account type, with real worked examples.

The short answer

Lot size = Risk amount ÷ (Stop-loss distance in pips × Pip value per lot). That formula is the same regardless of account type — what changes between Exness account types is what a single "lot" is actually worth. Get the pip value wrong for your account type and the formula gives you the wrong position size even though the math itself is correct.

Why Exness is different: Standard vs Cent lots

On Exness's Standard, Pro, Raw Spread and Zero accounts, a lot works the same way it does at almost any forex broker: one standard lot = 100,000 units of the base currency, and account balances are shown in your account currency (USD, EUR, etc.) as normal.

On the Standard Cent account, balances are shown in cents, not dollars — deposit $10 and your balance displays as 1,000 (cents). A "cent lot" here is 1,000 units of the base currency, not 100,000 - so 1 cent lot = 0.01 of a standard lot. The minimum trade size is 0.01 cent lots, equal to just 10 currency units - part of why Cent accounts are popular for testing a strategy with very small real position sizes.

This is the exact mistake that causes real account-blowing errors: entering "1" into a lot-size field expecting Standard-account behavior, when the account is actually a Cent account, sizes the position 100x smaller (or larger, depending on which direction the confusion goes) than intended.

Worked example: Standard account

Say you have a $1,000 Standard account, want to risk 1% ($10) on a trade, and your stop-loss is 20 pips away on EUR/USD (a USD-quoted pair, so pip value is a fixed $10 per standard lot).

Lot size = $10 ÷ (20 pips × $10) = 0.05 standard lots (a mini-lot-sized position).

Worked example: Standard Cent account

Same risk logic, but on a Cent account with a 1,000-cent ($10-equivalent) balance, risking 1% (10 cents) with the same 20-pip stop:

Lot size = 10 cents ÷ (20 pips × pip value in cents). Since a cent lot's pip value scales down with the smaller contract size, this works out to roughly 0.5-1 cent lots depending on the exact pair - the key point isn't the exact number, it's that you enter cent lots here, not standard lots - the same "0.05" you'd use on a Standard account means something entirely different (and vastly larger relative to a Cent balance) on a Cent account.

Use our calculator instead of doing this by hand

Manually tracking which lot type applies is exactly the kind of mistake a calculator avoids. Our position size calculator takes your account balance, risk percentage and stop-loss distance and does this math directly - you still need to know whether your Exness account is Standard or Cent going in, but it removes the arithmetic error risk entirely.

Check current Exness account types and minimum deposits

Account types at a glance

Common mistakes to avoid

• Assuming "lot" always means the same thing. It doesn't, specifically on Exness's Cent account - confirm your account type before sizing any position.
• Forgetting your balance is already in cents. A Cent account showing "1,000" is $10, not $1,000 - risk-percentage math needs the real dollar equivalent, not the displayed number.
• Copying a lot size between account types. A EA or manual strategy tuned for a Standard account needs re-sizing before running on a Cent account, and vice versa.

Related reading

See our full Exness review for regulation, real trading costs and who the broker actually fits, or compare it against other options in our forex broker rating.