Body Recomposition Macro Calculator

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Body Recomposition Macro Calculator

Body Recomposition Macro Calculator

Build muscle and drop fat at the same time with personalized calories and macros.

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Quick Start Guide

“Hey, ready to see real changes? Plug in your stats, hit calculate, and follow those numbers. Track everything for two weeks—adjust if your mirror or tape measure says so. Consistency beats perfection every time.”

  • Weigh food at first to nail portions.
  • Lift weights 3-4x weekly: squats, deadlifts, presses.
  • Sleep 7+ hours—your body repairs then.
  • Take waist pics weekly, not just scale weight.

How It Works

“Think of it like this: your body can pull energy from fat stores to fuel new muscle if you eat just right. We start with your basal metabolic rate, tweak for activity, then dial in a mild deficit or surplus based on your goal.”

  • Mifflin-St Jeor or Katch-McArdle for base calories.
  • Protein high to spare muscle (0.65-1.2g/lb).
  • Fats at 30% calories, rest to carbs.
  • Goal tweaks: +20% cals for muscle focus, -10% for fat focus.

Common Questions

“What if I miss a workout?”

Use rest day targets. Protein stays steady—muscles recover anytime.

“Gaining fat still? Not enough muscle?”

Drop calories 100-200 or shift goal to ‘More Fat Loss’. Check sleep and lifts.

“How long until results?”

8-12 weeks minimum. Newbies see faster shifts; veterans need patience.

Goal Comparisons

Goal Calorie Adjustment Best For Expected Outcome
Even Maintenance ±5-10% Balanced progress Steady muscle up, fat down
More Muscle Gain +10-20% on workouts Skinny or under-muscled Muscle priority, minimal fat gain
More Fat Loss -10-20% overall Higher body fat starters Fat drop, some muscle hold

Pitfalls to Avoid

“Ever wonder why progress stalls? Most folks overestimate burns or skip tracking. Here’s the fix.”

  • Don’t chase scale weight—measure waist and strength.
  • Cardio minimum: it eats into recovery calories.
  • Plateaued? Recalculate every 4 weeks as you change.
  • Low energy? Add 100 cals, prioritize sleep over late snacks.

References

  • Barakat, C., Pearson, J., Escalante, G., Campbell, B., & De Souza, E. O. (2020). Body recomposition: can trained individuals build muscle and lose fat at the same time? Strength & Conditioning Journal, 42(5), 7-21.
  • Ribeiro, A. S., Pereira, L. C., Schoenfeld, B. J., et al. (2022). Moderate and Higher Protein Intakes Promote Superior Body Recomposition in Older Women Performing Resistance Training. Medicine and Science in Sports and Exercise.
  • Plotkin, D., et al. (2021). Muscle growth in calorie deficits: A meta-analysis. Journal of the International Society of Sports Nutrition.

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