EMPERIOStrategy & Research Lab

Guesstimate practice

Sizing practice library

Set the geography, period and unit before calculating. Work out a low, base and high case, then look for a second way to validate your estimate.

15 results

Starter exercise

Indore · Fictional exercise · First year

Estimate how many packs a direct launch could sell through 200 Indore retailers in its first year.

Assume 50 selling weeks. Estimate weekly pack sales per store, then identify a second way to check your answer.

Compare with a worked estimate

At 6, 10 and 14 packs per store per week, the low, base and high cases are 60,000, 1,00,000 and 1,40,000 packs per year. The base is 200 stores × 10 packs/week × 50 weeks.

Cross-check from demand: 5,000 households buying 20 packs per year also gives 1,00,000 packs. Test these assumptions separately using household purchase diaries and retailer reorders.

Use the estimate in the Indore case