Business
Market Share Calculator
Calculate a company or product share of a defined market.
- Free to use
- Runs in your browser
- Level B · Industry formula
- Last reviewed 2026-08-16
Calculator guide
How to use the Market Share Calculator
Calculate a company or product share of a defined market. Enter the requested values and select Calculate. The result and supporting values are produced locally in your browser.
Formula
Worked example
Sales of $250,000 in a $2,000,000 market represent a 12.5% market share.
What to keep in mind
- Use the same time period, geography, currency, and market definition for both values.
Methodology
This calculator uses deterministic arithmetic and performs the calculation locally in your browser. Verify assumptions, units, and source values for your specific use case.
Review standard: Level B · Industry formula. How calculator reviews work.
Frequently asked questions
What does this calculator calculate?
Calculate a company or product share of a defined market.
How is the result calculated?
Market Share % = Company Sales ÷ Total Market Sales × 100.
Can I use the result for an important decision?
Use the result as a calculation aid and verify the inputs, assumptions, and applicable professional or regulatory requirements before relying on it for an important decision.
Does CalculateMeasure store the values I enter?
The calculator performs its arithmetic in your browser. The calculator itself does not need to send your entered values to a server to produce the result.