Krapstuff Coupon Collect Probability Calculator

Average number of draws and probability for N such draws to collect at least 1 distinct coupon from total set of coupons (N).

Coupons can be other items.

Example: the roll of 1 fair six-sided die (1d6) and one tries to collect at least 1 of each of the 6 face numbers. Calculator is set for that example.

Max number of coupons: about 100. One should use the R code module on the main coupon collect page.

Your mileage will vary.