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Prop firm drawdown calculator

See how far your current equity is from the floor (the lowest level your equity may reach), using both your daily loss limit and your maximum drawdown. Firms measure these differently, so pick the type that matches your firm’s rules. The article explains the types.

New to this?

You getHow far your current equity is from the floor you would reach first

↓ See how it is worked out
What to enter, and the terms used

You enterYour firm’s rules (starting balance, daily limit, max drawdown and its type) and today’s numbers (current equity, today’s opening balance and so on)

New to these words?

Today’s numbers (update daily)

Firms differ: some use the highest closed balance, others the highest end-of-day value. Use the one your rules describe
Your firm’s rules (set once; you can close this)
If your firm gives one limit as % and the other as money, convert one so both use the same unit
%
%
Your entries stay on this device only and will be here next time. You can use . or , for decimals. If a number has separators, we show how it was read below the field.

Example: enter this, get this

  1. Starting balance: 10,000, daily limit: 5% (type 1: counted from today’s opening balance), max drawdown: 10% (static). All examples; they vary by firm and plan
  2. Balance at the start of today: 10,400
  3. Current equity: 10,200

Today’s floor is 10,400 − 10,000 × 5% = 9,900. The account floor is 10,000 − 10,000 × 10% = 9,000. The higher one (reached first) is today’s floor, so 10,200 − 9,900 = $300 of room left. Firms count this differently, so your firm’s dashboard comes first.

The example numbers only show how the calculation works. They are not recommendations. Replace them with your own account’s numbers, or use “Clear inputs”.

Where do I find these numbers?

Current equity
Your firm’s dashboard, or “Equity” in the Trade tab of the MT4 Terminal or MT5 Toolbox
Balance at the start of today
Often shown on your firm’s dashboard. If not, it is your balance at the daily reset time in your firm’s rules
Limits and types
Your firm’s rules page (rules or FAQ)

The mobile app and platforms other than MT4/MT5 may use different names or places (for example, “Units” or “Lot size” for contract size). If you cannot find a number, check your broker’s help pages.

How it works

  1. Daily limit: floor = reference − allowance. For type 1 the reference is today’s opening balance; for types 2 and 3 it is the higher of today’s opening balance and opening equity. The allowance is a % of the starting balance (or a money amount); for type 3 it is a % of the reference.
  2. Max drawdown: static floor = starting balance − allowance. Trailing floor = highest value − allowance (for the type where the allowance is a % of the high, highest value × %). For the type that stops, the floor never rises above the starting balance.
  3. Room left above the nearest floor = current equity − the higher of the two floors (the one you reach first).

FAQ

If I stay within this number, am I safe from failing?

Not necessarily. Details of your firm’s rules, commissions, swap or overnight fees (on FX accounts), slippage and the timing of their calculation can change the result. Always trust your firm’s dashboard over this tool.

I don’t know which type my firm uses.

Look on your firm’s rules page for words such as Daily loss limit, Max loss, Trailing and End of day. When you pick a type, an example of how rules describe it appears below the field. The article “How prop firm loss limits are measured” explains the types.

Log what you did on the days you came close to the limit.

Tiltnote is a trading journal you can use for free with manual logging, to record how you felt and whether you kept your rules on each trade. It does not read your firm’s dashboard, so check your limits there.

Try Tiltnote free →On the free plan, analysis and history show your most recent 14 days (older records are kept and unlock on the paid plan).

Related articles

What daily drawdown and max drawdown mean at a prop firm

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Numbers you entered in a tool are not sent. Please do not include account numbers or passwords. Privacy details

This tool is a calculation aid. It is not investment advice or a recommendation to make any trade. The result is an estimate from the numbers and types you entered; your firm’s rules and dashboard come first. The numbers you enter are calculated on your device and never sent anywhere.

Updated 21 Oct 2026 · Run by Kenji Okumura, Representative, Tiltnote · About this site