Discount Profit Calculator

How to use this calculator

1. Enter your numbers in each field above — the calculator updates instantly as you type, so there's nothing to submit.
2. Use your real figures when you have them, or sensible estimates while you're planning. If a field doesn't apply, leave it at zero.
3. Compare the results, then change one input at a time to see how each lever (price, cost, fees, volume) moves the outcome.

When to use this calculator

• Before running a sale, so you know whether the discount still leaves enough profit.
• When a marketplace pushes you to join a coupon or sale event.
• Before stacking a coupon on top of an already-reduced price.
• When choosing between a percentage discount and a smaller free-shipping offer.

Formula

Discounted price = Price × (1 − Discount%) · Profit = Discounted price − Cost − Packaging − Shipping − (Discounted price × Fee% + Fixed fee)

Worked example

$30 price, 20% off, $8 cost, $1 packaging, $5 shipping, 10% fee, $0.30 fixed.

1. Discounted price = $24
2. Fees = 24 × 10% + 0.30 = $2.70
3. Profit = 24 − 8 − 1 − 5 − 2.70 = $7.30

Answer: ≈ $7.30 profit (30% margin)

How it works

Expert tips

• Test the deepest discount you're considering first — if that one loses money, cap the sale before you launch it.
• On low-priced items the fixed fee dominates. Discount your higher-priced products instead.
• Set a margin floor (many sellers use 15%) and let it decide the maximum discount for you.
• If the sale needs to hit a revenue target, check how many extra orders it takes to match your normal-price profit.

How to interpret your results

• Dollar values are shown per sale, per order, or per item unless a result is explicitly labelled monthly, weekly, or daily.
• Percentages (margin, ROI, conversion rate) are easier to compare across products and price points than raw dollars — use them when you benchmark.
• A positive result means you're ahead after the costs and fees you entered. A negative result means the current numbers don't work — change a lever (raise price, cut a cost, lower ad spend) and recalculate.
• Treat the output as a planning estimate, not a guarantee. Fees, taxes, and conversion rates shift over time — re-run the numbers whenever a key input changes.

Common mistakes

• Forgetting fees are charged on the discounted price, not the original.
• Ignoring the fixed fee — it hurts most when the price drops.
• Stacking discounts without re-checking the profit each time.

Related Guides

Go deeper with plain-English guides on the same topic.

• What Is a Good Profit Margin?

  What counts as a healthy profit margin — and how it changes depending on what you sell and where.

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• What Is A Good Profit Margin? Complete Small Business Profit Margin Guide

  A 2026 profit margin guide — gross vs net vs contribution, what counts as a good margin, healthy benchmarks by industry and platform, formulas, and improvement strategies.

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• Pricing Psychology Explained: 25 Strategies That Increase Sales

  A 2026 pricing psychology guide — what it is, why it works, 25 specific techniques with examples, platform-specific applications, before/after scenarios, and ethics.

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• How to Price Handmade Products

  A simple formula for pricing handmade work that covers materials, labor, overhead, and profit.

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FAQ

What's a safe discount?

Anything that keeps margin above ~15% is generally healthy. Under 10% and one refund can wipe out the sale.

How is this different from Discount Profit Check?

This one is the simpler universal version. Discount Profit Check adds break-even discount and target-margin analysis.

What numbers do I need?

Your regular sale price, the discount or coupon percentage, product cost, packaging, shipping you pay, and your fee percentage plus fixed fee.

Why can a sale raise revenue but lower profit?

A discount cuts the money coming in, but product cost, packaging, postage, and the fixed fee stay the same. More orders at a thinner margin can mean more work for less profit.

Are fees charged on the discounted price?

Yes — the percentage fee applies to what the customer actually pays. The fixed per-order fee doesn't shrink at all, which is why deep discounts hurt small-ticket items most.

What does the result mean?

Profit after discount is what one discounted order leaves you. If it's negative, the sale costs you money on every order, no matter how many you sell.

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