Health
Weight Loss Timeline Calculator
Set your goal weight and weekly target — see realistic weeks to reach it. 1 lb of fat ≈ 3,500 calories.
Weeks to goal
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- Total to lose
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- Daily deficit
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- Months
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FAQ
Is 2 lb/week safe? +
Yes for most people with significant weight to lose. Below 150 lb total weight, 1 lb/week is more sustainable.
Why 500 cal per pound per week? +
A 500 cal/day deficit × 7 days = 3,500 cal ≈ 1 lb of fat. The math is approximate but reliable at population scale.