Science
Jun 3, 2026
·
7 min read
Why your calorie target should move over time
Your metabolism isn’t a fixed number. Here’s why your maintenance calories drift — and how to keep your target honest.
Calorie calculators give you a starting estimate — but your body is the only accurate calculator.
Reading the trend
By comparing your intake to your weight trend over time, you can refine your true maintenance calories and keep your targets honest.
Put it into practice with Delta
Track your food and training in one app — free to start.