Profit Calculator Explained

1. One-line Summary

The Profit Calculator helps prop firm traders calculate their real payout after trading costs, evaluation fees, and profit splits while tracking progress toward challenge or verification profit targets.

2. Inputs

This calculator combines funded account rules with actual trading performance to estimate real trader earnings.

Prop Firm

The funded trading company being used.

Different prop firms have different:

Profit splits
Profit targets
Challenge structures
Verification requirements

Example: FTMO

Account Size

The size of the funded account.

This affects:

Profit target calculations
Percentage returns
Progress tracking

Example: $50,000

Phase

The stage of the prop firm process.

The calculator supports:

Challenge / Phase 1
Verification / Phase 2
Funded

Different phases usually require different profit targets.

Example: Challenge / Phase 1

Gross Profit Made

The total trading profit before expenses and profit splits.

This represents raw strategy performance.

Example: $6,000

Total Trading Costs

All accumulated trading expenses.

Examples include:

Spreads
Commissions
Swap fees

These costs reduce actual profitability.

Example: $450

Challenge / Evaluation Fee

The upfront fee paid to attempt the challenge.

Some traders include this only in the first payout calculation to estimate true profitability.

Example: $299

3. Formula

The calculator uses several formulas to estimate actual trader payout and target progress.

Step 1 — Calculate Net Profit

Trading costs are subtracted from gross trading profit.

\text{Net Profit} = \text{Gross Profit} – \text{Trading Costs}

Example:

Gross profit = $6,000
Trading costs = $450

[
6,000 – 450
]

[
= 5,550
]

Net profit = $5,550

Step 2 — Apply Profit Split

The trader only keeps their share of the profits.

\text{Trader Payout} = \text{Net Profit} \times \text{Profit Split}

Using:

Net profit = $5,550
Profit split = 80%

[
5,550 \times 0.80
]

[
= 4,440
]

Trader share = $4,440

Step 3 — Calculate Firm Share

The prop firm retains the remaining portion.

[
\text{Firm Share} = \text{Net Profit} \times (1 – \text{Profit Split})
]

[
5,550 \times 0.20
]

[
= 1,110
]

Firm share = $1,110

Step 4 — Subtract Challenge Fee

If included, the evaluation fee is deducted from the payout.

[
\text{Final Payout} = \text{Trader Share} – \text{Challenge Fee}
]

[
4,440 – 299
]

[
= 4,141
]

Final payout = $4,141

Step 5 — Calculate Progress Toward Profit Target

The calculator tracks challenge completion progress.

\text{Progress %} = \frac{\text{Net Profit}}{\text{Profit Target}} \times 100

For a $50,000 FTMO challenge:

Target = 10%
Required profit = $5,000

[
5,550 \div 5,000 \times 100
]

[
= 111
]

Progress = 111%

The target has been successfully passed.

4. Why It’s Useful

Reveals Real Profitability

Many traders focus only on gross profit numbers. This calculator shows actual earnings after:

Costs
Fees
Profit splits

This gives a realistic picture of funded trading income.

Tracks Challenge Progress

Prop firm challenges are target-based. The calculator helps traders monitor:

Remaining profit needed
Current completion percentage
Whether they are on pace to pass

Helps Evaluate Strategy Performance

A strategy that looks profitable before fees may perform poorly after spreads and commissions are included.

This calculator helps traders identify:

Net profitability
Sustainable returns
Efficient trading systems

Improves Payout Planning

Funded traders can estimate:

Expected withdrawals
Return on evaluation fees
Real percentage returns

This helps build more realistic financial expectations.

5. Worked Scenario

A trader uses:

FTMO
$50,000 account
Challenge phase
Gross profit = $6,000
Trading costs = $450
Challenge fee = $299
Profit split = 80%

Step 1 — Calculate Net Profit

[
6,000 – 450
]

[
= 5,550
]

Net trading profit = $5,550

Step 2 — Calculate Trader Share

[
5,550 \times 0.80
]

[
= 4,440
]

Trader payout before fee = $4,440

Step 3 — Subtract Evaluation Fee

[
4,440 – 299
]

[
= 4,141
]

Final trader payout = $4,141

Step 4 — Calculate Challenge Progress

FTMO challenge target:

10% of $50,000
= $5,000

[
5,550 \div 5,000 \times 100
]

[
= 111
]

Challenge progress = 111%

The trader has passed the target.

Step 5 — Calculate Real Return

[
4,141 \div 50,000 \times 100
]

[
= 8.28%
]

Real return after costs and fees = 8.28%

Risk/Reward Check

Suppose the trader used:

1% risk per trade
1:2 risk/reward ratio
50% win rate

This means:

Average loser = -1R
Average winner = +2R

Expected value remains positive even after accounting for:

Trading costs
Evaluation fees
Profit split deductions

This demonstrates why payout calculations should always be based on net performance rather than raw gross profit.

6. Connections

The Profit Calculator naturally works alongside several other trading calculators.

Break-even Calculator

Used together to determine how much profit must be generated before real payouts begin.

Risk/Reward Calculator

Helps traders determine whether trade setups provide enough return potential to meet prop firm targets efficiently.

Lot Size Calculator

Ensures position sizing aligns with the desired profit objectives without violating drawdown rules.

Drawdown Calculator

Allows traders to compare current profits against maximum allowed losses and account sustainability.

Forex Profit Calculator

Useful for estimating potential profit on individual trades before adding them into total challenge performance.

Margin Calculator

Helps traders understand how much leverage and capital exposure are being used to generate the calculated profits.

The Profit Calculator is one of the most important tools for funded traders because it converts raw trading performance into real-world earnings. Many traders underestimate the impact of trading costs, evaluation fees, and profit splits on their final payout. By calculating net returns, target progress, and actual trader share, the calculator provides a far more accurate picture of whether a strategy is truly profitable within the structure of modern prop firm trading.