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E-commerce Profit Calculator

Full profit & loss for an online store after all costs.

Improving marketing ROIStep 5 of 6

Best for: Pricing new products, deciding whether a marketplace's fees leave room, setting maximum ad bids, or diagnosing why revenue grows while cash doesn't.

Complete guide
See benchmark ranges Why this result happened View assumptions
Currency / Country:

Input

Result

Estimate

Net profit

$2,500

Net margin
25.00%
Standard formula Private — runs in your browser, no account

What to do next

Part of the 📣 Increase Marketing ROI pathNext: Google Ads Calculator
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More about this result
Result quality
Type
Industry Standard
Method
Industry-standard method
Confidence
High

Uses the standard formula and conventions the industry relies on.

What this means

The margin AFTER everything is what compounds. Many stores discover a 'profitable' product loses money once returns and ads are included — that discovery is this tool's job.

Benchmark snapshot
Your Net Margin
25%
Typical
5-20% (varies by industry)
Status
Excellent

Source: General industry ranges · Updated June 2026

What impacts this result most?
  1. 1.
    COGSHigh impact

    Direct product cost is usually the biggest lever on margin.

  2. 2.
    Ad spendHigh impact

    Marketing efficiency makes or breaks net profit.

  3. 3.
    Selling priceHigh impact

    Raises revenue and margin together.

  4. 4.
    FeesMedium impact

    Marketplace fees chip away at each sale.

How to improve this result
  • Raise average order value
  • Lower COGS through sourcing or volume
  • Improve ad ROAS
  • Negotiate marketplace fees
3 Important insights
  • Margin (on price) and markup (on cost) are not the same.
  • Your break-even depends on fixed vs variable costs.
  • A small price increase moves profit more than a small cost cut.

Most business outcomes hinge on a couple of inputs - find the lever that moves the result most.

People usually ask next
Is this above average?

Worth a revisit later — ad costs change.

Was this helpful?
How it's calculated & sources
The E-commerce Profit Calculator uses the standard formula for this calculation. It runs entirely in your browser, so your inputs are never uploaded. Figures are educational estimates, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.
Key assumptions
  • Fees estimated from your inputs
  • Excludes returns unless entered

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

How it works

Net profit = revenue − COGS − platform fees − shipping − advertising. Net margin = profit ÷ revenue.

Frequently asked questions

What's a healthy e-commerce margin?+

Net margins of 10–20% are considered solid for many online stores.

Continue your journey

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Calculate your customer acquisition cost.

Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is E-commerce Profit?
The E-commerce Profit Calculator builds a full per-order and per-month P&L for an online store: revenue minus product cost, marketplace fees, payment fees, shipping, packaging, returns and ad spend.
Why does E-commerce Profit matter?
It is the top line - every margin and profit figure starts from revenue.
How is E-commerce Profit calculated?
Each cost is applied where it actually bites (percentage fees on price; flat costs per order; returns as a rate that refunds revenue but not costs), producing net profit and margin. Formula: profit = revenue − COGS − marketplace fee − payment fee − shipping − packaging − returns cost − ad spend.
What is a good e-commerce profit?
5-20% (varies by industry)
What are common e-commerce profit mistakes?
Ignoring returns — at a 15% return rate with paid outbound shipping, returns often erase a third of margin.
When should you use the E-commerce Profit Calculator?
Pricing new products, deciding whether a marketplace's fees leave room, setting maximum ad bids, or diagnosing why revenue grows while cash doesn't.

What is the E-commerce Profit Calculator?

The E-commerce Profit Calculator builds a full per-order and per-month P&L for an online store: revenue minus product cost, marketplace fees, payment fees, shipping, packaging, returns and ad spend.

How the E-commerce Profit Calculator works

Each cost is applied where it actually bites (percentage fees on price; flat costs per order; returns as a rate that refunds revenue but not costs), producing net profit and margin.

profit = revenue − COGS − marketplace fee − payment fee − shipping − packaging − returns cost − ad spend
  1. Enter selling price and product cost (COGS).
  2. Add marketplace/referral fee % and payment gateway %.
  3. Add per-order shipping and packaging, your returns rate, and ad cost per order.
  4. Read net profit per order and margin — then test price changes.

Understanding the inputs

What each value means, why it matters, and a typical range — so you can fill in the calculator with confidence.

Revenue

The total money a business earns from sales before any costs are subtracted.

Why it matters:
It is the top line - every margin and profit figure starts from revenue.
Typical range:
Varies entirely by business size.
How it affects results:
  • Higher: More to cover costs and profit, if margins hold.
  • Lower: Less to cover costs and profit.

Common mistake: Confusing revenue (sales) with profit (what is left after costs).

Cost of Goods Sold (COGS)

The direct costs of producing what you sold - materials and direct labor.

Why it matters:
It is subtracted from revenue to get gross profit, the core of product economics.
Typical range:
Often 40% to 80% of revenue depending on the business.
How it affects results:
  • Higher: Lower gross margin.
  • Lower: Higher gross margin.

Common mistake: Including overheads like rent and admin, which are not direct costs.

Margin

Profit expressed as a percentage of revenue.

Why it matters:
A percentage lets you compare profitability across products and businesses of any size.
Typical range:
10% to 20% net margin is healthy for many businesses; under 10% is thin.
How it affects results:
  • Higher: More buffer and pricing power.
  • Lower: Less buffer against costs and price pressure.

Common mistake: Confusing margin (profit / price) with markup (profit / cost).

Ad Spend

The total money put into paid advertising over a period.

Why it matters:
With revenue and margin it tells you whether advertising is actually profitable.
Typical range:
Set by budget and target return on ad spend.
How it affects results:
  • Higher: More reach but more money at risk if campaigns underperform.
  • Lower: Less reach but lower risk.

Common mistake: Judging ad spend without tracking the revenue and margin it produces.

Component definitions

The parts that drive this result and what each one contributes.

  • Revenue — Selling price times units.
  • COGS — Direct product and shipping costs.
  • Fees & ad spend — Marketplace fees and marketing.
  • Net profit — What is left after every cost.

Benchmark reference

What counts as poor, average or excellent for this metric.

Net Margin

Poor<0%
Below average0-5%
Average5-10%
Above average10-20%
Excellent20%+

Source: General industry ranges · Updated June 2026

Typical values

Net Margin:
5-20% (varies by industry)

Common interpretation errors

  • Confusing gross and net margin
  • Excluding overheads, tax or fees

What impacts results most

  1. 1.
    COGS (High impact)Direct product cost is usually the biggest lever on margin.
  2. 2.
    Ad spend (High impact)Marketing efficiency makes or breaks net profit.
  3. 3.
    Selling price (High impact)Raises revenue and margin together.
  4. 4.
    Fees (Medium impact)Marketplace fees chip away at each sale.

Key assumptions

  • Fees estimated from your inputs
  • Excludes returns unless entered

Markup vs profit margin (and sell price on a $100 cost)

10%9%$110
25%20%$125
50%33%$150
75%43%$175
100%50%$200
200%67%$300

Common mistakes to avoid

  • Ignoring returns — at a 15% return rate with paid outbound shipping, returns often erase a third of margin.
  • Using ROAS alone to judge ads; profit per order after ALL costs is the true ceiling for bids.
  • Forgetting GST/VAT treatment differs between your price and your fees.

Related concepts

How Net Margin connects to the concepts around it.

Gross Margin:
Revenue minus direct costs, as a percent of revenue.
Profit Margin:
Profit as a percentage of revenue.
Revenue:
Total money earned from sales before any costs.
ROAS:
Revenue earned for every unit spent on advertising.

Business Economics learning path

A sensible order to learn these concepts.

RevenueCOGSGross MarginNet MarginBreak-even

Reviewed sources & methodology

Methodology: Industry Standard · Last reviewed June 2026.

Keywords: ecommerce, profit, margin, p&l.

Estimates for planning; marketplace fee structures change and vary by category. Not financial advice.

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the E-commerce Profit Calculator free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the E-commerce Profit Calculator?+

E-commerce Profit Calculator uses the standard e-commerce profit formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The E-commerce Profit Calculator runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the E-commerce Profit Calculator on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

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Full profit & loss for an online store after all costs.

Try it: https://freetoolsgalaxy.com/tools/ecommerce-profit-calculator
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