Interactive tool

Market-sizing builder

Lay out an estimate as a chain of assumptions, see the result update as you change each one, and read it in lakh and crore.

Fill in every step to see the estimate.

How to use the builder

Each row is one step in your estimate. Choose whether a row is a number (such as a population or a price) or a percentage (such as a share of people who buy). The result is all the rows multiplied together, so a row such as "replaced every 3 years" should be entered as a number: 1 ÷ 3 ≈ 0.333.

  • Give every row a label you could say out loud in an interview.
  • Change one assumption at a time and watch the result. The row that moves the answer most is the one to defend most carefully.
  • Results are shown in both Indian (lakh, crore) and international (million, billion) units.

The example loaded by Load example reproduces the cricket-bat estimate from our article on structured market sizing. Its numbers are illustrative assumptions for practice, not data.

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