Physique calculators
The numbers behind the pictures. Each one answers a question lifters actually ask, uses a published model, and ends with the transformation page that shows the result on a real photo.
What is my body fat percentage?
Body fat calculator
US Navy tape method: neck, waist, height. Where you are today.
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How long to get to 10% body fat?
Time to a body-fat target
Weeks, finish date, and goal weight to reach 15, 12, 10, or 8%.
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How much muscle can I gain in a year?
Muscle gain potential
Realistic muscle over 6 months, 1, 3, and 5 years from your training age.
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Should I bulk or cut?
Bulk or cut
Which phase comes next, from your body fat and training experience.
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How muscular am I for my height?
FFMI calculator
Fat-free mass index and where it sits against the natural range.
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What is my genetic potential?
Natural limit calculator
Your max drug-free size from wrist, ankle, and height.
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Then see it on your body.
Free to downloadFirst look freeiPhone
Get the app, upload one photo, and see this transformation rendered on your own frame.
