Competition Weight Class Calculator

Find your optimal weight class based on body composition, cutting experience, and height. Includes cut amount, walk-around weight, and size assessment.

Inputs

Current Weight

lbs

Body Fat Percentage

Height

Cutting Experience

Tab to move between fields

Results

Recommended Weight Class

Welterweight

Weight to Cut

10 lbs

≈ 2 bags of sugar

Weight Class Limit170 lbs

Natural Weight ClassMiddleweight

Cut as % of Body Weight5.6%

Minimum Safe Weight161.1 lbs

Ideal Walk-Around Weight187 lbs

Lean Body Mass153 lbs

Size AssessmentCompact for the division — power and speed advantage

How to Use This Calculator

Enter your Current Weight in pounds and Body Fat Percentage.
Set your Height in inches and Cutting Experience level.
Review the Recommended Weight Class based on your lean body mass.
Check the Weight to Cut and compare it to your Natural Weight Class.
Use the safety guidance to ensure any planned cut is medically reasonable.

What each input means

Current Weight: Your current walk-around weight when not actively cutting.
Body Fat Percentage: Estimated body fat %. This determines your lean mass and minimum safe competition weight.
Height: Your height in inches. Used to assess size advantage within a weight class.
Cutting Experience: Your experience with weight cutting. More experienced fighters can safely cut a larger percentage.

How this is calculated

Worked example, using the default values

Identify Input Parameters
4 parameters
Current Weight = 180, Body Fat Percentage = 15, Height = 70, Cutting Experience = 1 = 4 input(s) provided
Calculate Recommended Weight Class
Recommended Weight Class = recommendedClass.name
Welterweight = Welterweight
Calculate Weight to Cut
Weight to Cut
10 = 10
Calculate Weight Class Limit
Weight Class Limit = recommendedClass.limit
170 = 170
Calculate Natural Weight Class
Natural Weight Class = naturalClass.name
Middleweight = Middleweight