Prep Room
HomeInterview SimulatorContestsYour JobsSalary negotiationUpskillResourcesConcept guidesResume
Concept guidesMarket sizing: top-down vs bottom-upEntry

There is more of this guide.

Practice

65 questions
  • Estimation & sizingEstimate how many YouTube videos are uploaded per minute globally.
  • Estimation & sizingHow many cups of coffee does a typical Starbucks store sell in a day?
  • Estimation & sizingEstimate the total revenue of all NYC bagel shops in a typical year.
  • Estimation & sizingEstimate the total weight of all the food consumed in the US in a single day.
  • Estimation & sizingEstimate the annual ad spend on a major social platform's home feed. What's your confidence level?
  • Estimation & sizingHow many gym memberships are sold in the US in January?
All questions
HomeYour JobsResumeResources
© 2026 Prep Room·From California·AI can make mistakes.
LegalAboutInsightsContactYour privacy choices