
Calorie Deficit Calculator – Doctor-Verified 2026
Calculate your exact calorie deficit for safe fat loss — not muscle loss. Doctor-verified tool using Mifflin-St Jeor equation. Free, accurate & updated for 2026.

Calculate your exact calorie deficit for safe fat loss — not muscle loss. Doctor-verified tool using Mifflin-St Jeor equation. Free, accurate & updated for 2026.

Stop guessing how long weight loss takes. Enter your current weight, goal, and activity level — and this free calculator shows your exact goal date, daily calorie target, and the safe deficit that won't wreck your metabolism. Results in 60 seconds, reviewed by medical doctors.

Most people have no idea how much protein, carbs or fat their body actually needs — they're just guessing. This free macro calculator takes your stats, goal and activity level and spits out your exact daily macros in 60 seconds. Fat loss, muscle gain, maintenance — personalized for you, not a generic template.