Health Compounding
What does the weeknight cookie cost over 20 years?
The Weeknight Cookie
17 grams, 208 times/year, 20 years — the long-term cost is 156 pounds.
How the number's built.
The cookie is ordinary enough to disappear into the day. At 17 grams across 208 servings a year, it becomes 156 pounds of added sugar over 20 years.
If you changed one thing
Half the pattern stays.
78 pounds stay outside the routine.
No rush. It keeps until you want it.
A way through
cutting the pattern in half
1,768 grams/year avoided
× 20 years
÷ 453.592 = 78 pounds avoided
The Math
17 grams / serving
208 servings / year = 3,536 grams/year
× 20 years = 70,720 grams
÷ 453.592 grams/pound = 156 pounds
Assumptions
- Each serving contains 17 grams of added sugar.
- 208 servings happen each year.
- Timeline spans 20 years.
- This is arithmetic from stated assumptions, not a disease-risk claim.
The arithmetic of weeknight cookie
Last reviewed: May 2026.
An estimate built for reflection — not financial, medical, or legal advice. The figures follow the assumptions above.