List Growth/Hurdle Rate Calculator

Use the following tool to help calculate the number of subscribers needed to reach a target list size. Your results will be given in a 12 month timeframe.

Input
Current List Size:
Target List Size:
Number of Monthly Hard Bounces (1):
Number of Monthly Unsubscribes:
Number of Monthly Spam Complaints (2):

Results New Subscriber Goal - Annual: New Subscriber Goal - Monthly Average: Total Number of Lost Subscribers: Hard Bounces Percentage: % Unsubscribes Percentage: % Spam Complaints Percentage: % Monthly Hurdle Rate (3): % Annual Hurdle Rate: %

Starting Subscribers Subscribers Lost Subscribers Needed Month 1 Month 2 Month 3 Month 4 Month 5 Month 6 Month 7 Month 8 Month 9 Month 10 Month 11 Month 12 Month 13 Total Subscribers lost: Actual Subscribers Needed:

1) Hard bounces should be automatically removed from your list 2) Spam complaints should be immediately removed from your list 3) We are defining List Growth Hurdle Rate as the percentage of lost subscribers monthly or annually you need just to maintain the existing list size.