Weight Loss Calculator

Free weight loss calculator. Calculate daily calories needed, time to reach goal weight, and get a week-by-week projection. Safe, science-based approach.

Current Weight (lbs)

lbs

Goal Weight (lbs)

lbs

Height (in)

Age

Gender

Activity Level

Target Weight Loss Rate (lbs per week)

🔒 Fast, free math calculators that run in your browser. No uploads, 100% private.