Science-backed · Katch-McArdle & Mifflin-St Jeor

I want to get ripped.
Now you have the math.

The premium scientific Shred Calculator that turns your numbers into a lean and ripped body blueprint — exact calories, macros, hydration, and a shred speed timeline to get a ripped body without wasting muscle.

5
Lean formulas combined
15-25%
Calibrated deficits
100%
Free & private
Shredded bodybuilder torso with athletic muscle definition under dramatic blue studio lighting
Daily Target
2,140 kcal
Muscle Preserved
213g protein
The Engine

Your shred muscle calculator

Enter your stats to get a lean and ripped body blueprint. Add body fat % to unlock the Katch-McArdle formula, FFMI muscularity scoring, and a precise shred speed timeline.

lbs
yrs
ft
in

20% deficit — steady, sustainable shred

Daily Calorie Target
2,271
kcal/day · 20% deficit · Mifflin-St Jeor
BMR
1,831kcal
TDEE
2,838kcal
Deficit
-20%

Dynamic Macronutrient Split

2,271kcal split
FFMI
Add body fat %
Water Intake
3.3L
14 US cups / day
Shred Timeline
10w
Target 10% body fat
Training

The best way to train to get ripped

Build your routine around metabolic resistance training — the proven way to shred muscle fat while staying strong. Pick a split below, from a classic bicep shredder pull day to full-body circuits engineered for a shredded lean body.

Day 1

Push — Chest, Shoulders, Triceps

  • Incline Dumbbell Press4 x 8-10
  • Seated Shoulder Press3 x 10-12
  • Cable Fly3 x 12-15
  • Triceps Rope Pushdown4 x 12-15
Day 2

Pull — Back & Biceps (Bicep Shredder)

  • Weighted Pull-Ups4 x 6-8
  • Barbell Row4 x 8-10
  • Incline Dumbbell Curl3 x 10-12
  • Cable Hammer Curl (Bicep Shredder)3 x 12-15
Day 3

Legs — Quads, Hamstrings, Calves

  • Barbell Back Squat4 x 6-8
  • Romanian Deadlift3 x 8-10
  • Walking Lunges3 x 12 / leg
  • Standing Calf Raise4 x 15-20
The Shred Guide

How to shred muscle fat and stay lean and ripped

If you have ever thought "I want to get ripped" but did not know where to start, you are in the right place. Shredding in bodybuilding is a measurable process: control energy balance, train with intensity, and let the numbers guide you to a shredded lean body. Below is everything that powers a successful shred.

Get a ripped body the smart way

Getting ripped is not starvation — it is a calibrated caloric deficit paired with hard resistance training. Our calculator sets a deficit between 15% and 25% so you keep strength while body fat falls, the exact recipe to get ripped without the crash.

Shredding and bulking, decoded

Understanding shredding and bulking is what separates a bodybuilder shredded for stage from someone spinning their wheels. Bulk to build the engine, then shred to reveal it. This tool handles the shred phase with surgical precision.

Lean to ripped, backed by science

Going from lean to ripped means protecting muscle as you diet down. We bias protein to roughly 1.1g per pound of lean mass and use Katch-McArdle when body fat is known — the gold standard for shredding in bodybuilding.

A lean and ripped body, sustained

A lean ripped body is built on consistency, not extremes. Your blueprint includes realistic timelines and hydration targets so the lean ripped result you earn actually sticks long after the diet ends.

FAQ

Get ripped — your questions answered

This is called body recomposition, and it works best for beginners, those returning from a layoff, or anyone with higher body fat. The partition rule is simple: keep protein very high (around 1.1g per pound of lean mass), run only a modest deficit, and train with progressive resistance. Your body pulls energy from fat stores to fuel muscle repair — letting you shred muscle fat while slowly building. Advanced lifters recomp slower, which is why a structured shredding and bulking cycle eventually becomes more efficient.

The best way to get a ripped body is a consistent caloric deficit combined with hard resistance training — there is no shortcut around energy balance. Set your deficit between 15% and 25%, hit your protein target every single day, lift heavy 3-5 times per week using metabolic resistance training, and stay patient. Cardio accelerates the process but the deficit is what reveals the shredded lean body underneath.

For men, a ripped, visibly shredded look typically appears in the single digits — roughly 6-9% body fat where abs, vascularity, and muscle separation are obvious. For women, the equivalent lean and ripped body shows around 16-20% body fat due to essential fat differences. A bodybuilder shredded for competition may briefly dip even lower, but those extremes are not sustainable or healthy year-round.

When you provide your body fat percentage, we switch to the Katch-McArdle formula because it calculates your BMR from lean body mass rather than total weight. This matters enormously during a shred: it prevents under-eating that triggers muscle wasting, and it scales protein and calories to the tissue you actually want to keep. The result is a lean ripped body that retains strength — the entire point of intelligent shredding in bodybuilding rather than crash dieting.