Free tools
Tools
Small calculators that run in your browser. Nothing you type leaves the page.
For ages 16 and up. General guidance, not medical advice.
Pick a tool
Shoulder-to-waist ratio
Two tape measurements, one number, with how to measure and what it means. No ideal, no grade.
Open the shoulder-to-waist ratio toolProtein calculator
Your daily protein target, worked out the way the app sets it. Protein only, with the under-18 amount.
Open the protein calculator toolFind your weakest zone in the app
Three photos measure your shoulders, waist and posture. Your 12-week plan starts with the zone that needs it most.
Coming soon to the App Store
iPhone · Ages 16+ · Scores are an AI estimate, not medical advice.
Who this is for
VTaper Max is for ages 16 and up. If you're under 18, a parent or guardian should know you're using it.