Skip to content

Category

Business Calculators

Pricing math you can check: margin, markup, discounts and break-even, each showing the formula alongside the result so you can see exactly how the number was reached.

6
tools
Browse

Overview

About business calculators

Pricing decisions get made quickly and then live for a long time. Someone sets a markup on a Tuesday, and two years later the whole product line is still built on it. The arithmetic behind those decisions is simple, which is precisely why it is worth getting right: the errors are rarely complicated, they are just quietly expensive.

The most common one is confusing margin with markup. They describe the same profit against different bases, and the gap between them is wider than most people expect: a 50% markup is only a 33.3% margin. Quote one when you meant the other and you have mispriced everything you sell. These calculators show both figures side by side for that reason.

Each tool also shows the formula it used. That is deliberate. A calculator that only produces a number teaches you nothing and cannot be checked; one that shows its working lets you sanity-test the result and reuse the method in a spreadsheet later. If you disagree with an answer, you can see immediately where the disagreement is.

Start here

Free

Profit Margin Calculator

This is the one to start with, because it answers the question the others depend on: what do you actually keep on a sale? Enter cost and price to get gross profit, margin and markup together, or set a target margin and let it work backwards to the price you need to charge.

Open Profit Margin Calculator

What it does

  • Gross profit, margin and markup at once
  • Solve for profit, selling price or cost
  • Per-unit and batch quantities
  • Clear margin-versus-markup comparison
  • Formulas shown alongside results

6 tools

All business calculators

Margins, markup, discounts and break-even.

Why they help

What makes these business calculators worth using

  • Margin and markup, side by side

    The single most expensive pricing mistake is treating these as the same number. Both are shown together, always, so the difference is impossible to miss.

  • The formula is shown with the result

    You can check the working rather than trusting a black box, and reuse the same method in a spreadsheet when you need to.

  • Solve in any direction

    Enter cost and price to get margin, or a target margin to get the price. The unknown can be whichever figure you actually lack.

  • See the effect of a change immediately

    Adjust a cost or a discount and the downstream numbers move as you type, which makes the sensitivity of a price obvious rather than theoretical.

  • Built on net figures

    Margin is calculated on net amounts, not gross. Comparing gross revenue against net costs is a reliable way to convince yourself an unprofitable product is fine.

  • No spreadsheet to maintain

    No formula to copy wrong, no cell reference to break, and nothing that stops working when the person who built the sheet leaves.

In practice

How these tools get used

Three situations these come up in, written the way they actually happen.

  1. An e-commerce seller

    Working out whether a promotion is affordable

    A supplier offers a slot in a seasonal campaign at 25% off. Before agreeing, you check what that discount does to margin on the affected products, and discover two of them fall below the point where the sale is worth fulfilling. You promote the other four instead.

  2. A consultant

    Pricing backwards from a target

    You know what the engagement needs to earn, not what to charge. You enter your cost and the margin you want, and the calculator returns the price that produces it: then you check the markup figure so you are quoting the right percentage if the client asks.

  3. A founder

    Finding the volume that covers fixed costs

    Rent, software and one salary come to a fixed monthly figure. Entering that alongside your unit price and variable cost gives you the number of units per month that covers it, plus how much headroom you have if sales come in under plan.

FAQ

Business Calculators questions

The things people most often want to know before they start.

Margin and markup both describe the profit on one sale and disagree only about what they measure it against, so pick by what you already know: a cost and a target margin, or a cost and a markup you habitually apply. Discount tells you what a reduction costs you rather than what it saves the buyer. Break-even turns fixed costs into a sales target. Employee cost converts a salary into what the role really costs per hour. ROI is for a one-off spend judged over time.

Cost first, then price, then the consequences of that price. Establish what something costs you, set the price with the margin or markup tool, check what your usual discount does to it, then use break-even to turn the result into how many you actually need to sell. ROI sits apart from that sequence: it asks whether a purchase was worth making, not what to charge.

Because each percentage is measured against a different base. Forty of profit on a hundred of sales is a 40% margin against the price and a 66.7% markup against the sixty it cost. Take 20% off that price and you lose twenty of revenue but half the profit. All three figures are correct and describe one transaction, which is why a percentage quoted without saying what it is a percentage of tells you nothing.

The split that decides most of these answers is fixed against variable. A fixed cost is there whether or not you make one more sale: rent, insurance, software, the salary the employee cost tool converts. A variable cost belongs to the unit: materials, the subcontractor on that job, the payment fee. Break-even needs both and treats them differently, so putting a fixed cost in the variable field understates how much you have to sell.

They will do the arithmetic, and the arithmetic is the easy half. What they cannot tell you is what your market will pay, what competitors charge, or what the work is worth to the person buying it. Use them to find the floor, the point below which a sale costs you money, and treat everything above that as a commercial judgement rather than a calculation.

Before. VAT and sales tax are collected on behalf of the tax authority and are not your revenue, so margin should always be worked out on net figures.

Your own, and it matters most for the costs people leave out. Subcontractors, licences, insurance and the hours actually worked rather than the hours quoted are usually what separate a flattering answer from an accurate one. A benchmark is useful afterwards, for asking why your number differs from your sector. It is not a substitute for a figure you have not measured.

Guides

Further reading

Articles that go deeper on the topics these tools cover.

Keep exploring

Other tools people tend to need alongside these.

Get started with business calculators

Every tool here is free, needs no account, and runs in your browser. Pick one and start working.

Open Profit Margin CalculatorSee all categories