Fat Loss
Progress Check
The scale number alone doesn't tell you whether you're doing well. This calculator evaluates your rate of loss relative to your starting bodyweight — the metric that actually predicts whether you're preserving muscle or burning it alongside fat.
Free, no sign-up. Your numbers in, a clear target out.
Calculator
Fat Loss Progress Check
Enter your weights and timeframe to get your verdict.
lbs
lbs
weeks
Enter your starting weight, current weight, and weeks elapsed to get your verdict.
01
Why the scale lies short-term
Your weight on any given morning reflects food volume, water retention, glycogen stores, hormonal shifts, and bowel content — not just fat. A "gain" of 2 lbs overnight is almost never 2 lbs of fat. A "loss" of 3 lbs in 2 days is almost never 3 lbs of fat either.
Read: Why the Scale Isn't Moving02
When to adjust
If your rate has been in the "stalled" or "slow" range for 2+ full, consistent weeks — not just a bad week — it's time to act. The first lever is usually activity (steps), not calories. Add 1,500–2,000 steps per day before cutting calories further.
Read: Progress Stall Adjustment GuideMore nutrition tools
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