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Market share calculator

Compute your market share from your sales and the total market size.

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The Market share calculator turns Your sales, Total market size into Market share, instantly and for free. For instance, with Your sales = $500,000.00 and Total market size = $5,000,000.00 it returns Market share = 10%.

How to use it

  1. Enter your values: Your sales, Total market size.
  2. Read the result instantly: Market share.

Frequently asked questions

What does the Market share calculator actually compute?

It takes Your sales and Total market size and derives Market share from them. The calculation is live as you type, so the result updates on every change.

What information do I need to provide?

2 values: Your sales ($) and Total market size ($). Nothing else is required — no account, no file upload.

Can you show a worked example?

With Your sales = $500,000.00 and Total market size = $5,000,000.00, the calculator returns Market share = 10%. Those figures come from running this exact tool, so you can reproduce them by entering the same values.

When would I actually use this?

Running the week: issuing an invoice or a quote, knowing what is in stock and what to reorder, and seeing whether cash covers what is due.

What is the most common mistake?

Reading profit as cash. A profitable month with sixty-day payment terms can still leave the account empty — the two numbers answer different questions.

What is the difference between the Market share calculator and the Days sales outstanding (DSO) calculator?

This one returns Market share; the Days sales outstanding (DSO) calculator returns Days sales outstanding. That is the whole difference — open the one whose figure you need.

Is there a tool for the next step?

Debt-to-asset ratio calculator is the closest one after this: The debt-to-asset ratio — total liabilities ÷ total assets, expressed as a percentage — shows what share of a company's assets is financed by debt. A ratio of 40% means creditors fund 40% of the assets and owners the rest. It is a core solvency gauge; this is distinct from the debt-to-income ratio used for personal loans.

What else is worth having open alongside it?

Capital employed calculator and Debt service coverage ratio (DSCR) calculator — they come up in the same task often enough to be worth a second tab.

Where do the figures come from, and how current are they?

The arithmetic is exact for what you enter. Invoice content, VAT treatment and mandatory mentions are set by national rules — an invoice that computes correctly can still be non-compliant.

Further reading

All guides →
ExplainerMeasuring Your Market Share When Nobody Knows the Size of the MarketThe numerator is on your own invoices. The denominator is the problem, and the usual fixes make it worse. How to build one from what you can actually observe, why the served market and the total market give answers a hundred times apart, and why a share on the wrong denominator is worse than no number at all.ExplainerFixed-Charge Cover: the Ratio a Landlord or a Lender Looks AtThe same company, the same year, reads 1.02×, 1.52× or 2.56× depending on where rent is put and whether principal is grossed up for tax. Two of those pass a 1.25 covenant and one does not.ExplainerReturn on Assets: What the Ratio Says About a Business, and What It HidesReturn on assets, return on net assets and return on capital employed are one family with two moving parts. On the same balance sheet they read 8.3%, 10.2% and 15.6% — and the two steps between them are exactly the two decisions you are making.ComparisonInterest Coverage and the Ratios a Lender Actually TestsA loan agreement's covenants are the ratios that can put a solvent, profitable company into default. Interest coverage, times interest earned and DSCR are not three measures — and the one that adds principal repayment is the one that bites.GuideBorrowing for the Business: What the Bank Looks At Before the RateThe coverage ratio is the gate, the guarantee is the second price and the rate is an output. On a 400,000 loan, cutting the rate by a full point moves the coverage ratio by 0.018 — while two extra years of term move it by 0.216. The whole negotiation is in the wrong place.ExplainerThe Cash Conversion Cycle: the Number That Explains Why You Are Out of CashCCC = DIO + DSO − DPO. It is the number of days your cash is out of your hands, and it is the reason a profitable, growing business runs out of money. Worked end to end, with the negative-cycle case that makes suppliers your cheapest lender.