Start a free market sizing drill

One timed rep with speech-to-text and AI feedback.

Free market sizing practice

Market Sizing Practice Tool

Use this market sizing practice tool to build assumptions, calculate estimates, sanity-check the result, and get instant AI feedback.

How to use the market sizing practice tool

  • Define scope, geography, timeframe, and unit.
  • Choose top-down or bottom-up and show assumptions.
  • Calculate, sanity-check, and submit for feedback.

Why practice market sizing drills this way

  • Forces the full market sizing loop, not just the final number.
  • Checks assumptions, math, and business interpretation.
  • Makes your estimate easier for an interviewer to follow.

FAQ

Frequently asked questions