Plixi: Body Fat Calculator

Accurate body fat analysis in seconds. Enter your caliper measurements, choose

your formula, and get instant results — trusted by fitness professionals and

personal users worldwide.

PROFESSIONAL-GRADE FORMULAS

Choose from scientifically validated body density formulas — Durnin/Womersley

(4 sites), Jackson/Pollock (3 sites), and Jackson/Pollock (7 sites) — combined

with Siri, Brozek, or Behnke body fat equations. Each formula is optimized for

different populations, giving you the flexibility to match the right method to

each client.

TWO MODES, ONE APP

- Professional Mode: Manage multiple patients, track their progress, and share

results. Ideal for nutritionists, personal trainers, and healthcare providers.

- Individual Mode: A streamlined experience focused on tracking your own body

composition journey.

COMPLETE PATIENT MANAGEMENT

- Create detailed patient profiles with custom fields

- Save unlimited measurements with full history

- View evolution charts for body fat, weight, BMI, and lean mass

- Photo gallery with before/after comparison

- Share visual progress summaries via WhatsApp, email, or any app

BUILT-IN MEASUREMENT GUIDE

Not sure where to measure? Each skinfold site includes step-by-step

instructions, anatomical descriptions, and practical tips to ensure accurate

readings every time.

BODY FAT RANGES TABLE

Compare results against age and gender-specific body fat ranges — from

competition level to obesity — so you always know where you stand.

ADDITIONAL FEATURES

- BMI and Lean Mass calculations included

- Customizable calculator display and formula settings

- Export & import data for easy backup and device migration

- Works 100% offline — no internet required

- Dark and light theme

- Available in English, Spanish, Portuguese, and Italian

Free to download. Optional Premium subscription unlocks unlimited patients, full

measurement history, evolution charts, photo gallery, data export, and an

ad-free experience.