Jackson–Pollock 3-Site Skinfold (Women)
Triceps, suprailiac and thigh calipers with the female-specific density equation and Siri conversion.
Jackson, Pollock and Ward validated this female equation separately (1980) because women's fat distribution differs — using the male equation under-reads women by several points. Skinfolds measure subcutaneous fat only; visceral fat is invisible to calipers.
Formula
For general information only — not medical or training advice. Estimates vary between individuals; consult a qualified professional before changing your exercise or nutrition routine.
Triceps, suprailiac and thigh calipers with the female-specific density equation and Siri conversion. The Jackson–Pollock 3-Site Skinfold (Women) is a free, private jackson pollock women tool — every result computes instantly in your browser with no sign-up and no data upload.
About Jackson–Pollock 3-Site Skinfold (Women)
Jackson, Pollock and Ward validated this female equation separately (1980) because women's fat distribution differs — using the male equation under-reads women by several points. It applies D = 1.0994921 − 0.0009929·ΣS + 0.0000023·ΣS² − 0.0001392·age; BF% = 495/D − 450. Use the Jackson–Pollock 3-Site Skinfold (Women) to get an instant, clearly-explained result with the working shown step by step — free, private and with the source method cited.
How to use Jackson–Pollock 3-Site Skinfold (Women)
- 1Enter your details in the Jackson–Pollock 3-Site Skinfold (Women) input fields above.
- 2The result updates instantly with the working and reference bands shown.
- 3Adjust any value to explore how it changes the outcome — it's free and unlimited.
Why use Jackson–Pollock 3-Site Skinfold (Women)?
- ✓Instant jackson pollock women result that recomputes as you type — no waiting, no page reloads
- ✓100% client-side: your health data never leaves your browser
- ✓Shows the actual formula and your numbers substituted in, so you can see exactly how the result is reached
- ✓Based on published, citable sources (Jackson AS, Pollock ML & Ward A, Med Sci Sports Exerc 1980;12:175-81)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the Jackson–Pollock 3-Site Skinfold (Women) work?+
Jackson, Pollock and Ward validated this female equation separately (1980) because women's fat distribution differs — using the male equation under-reads women by several points. The calculation uses the formula: D = 1.0994921 − 0.0009929·ΣS + 0.0000023·ΣS² − 0.0001392·age; BF% = 495/D − 450. Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the Jackson–Pollock 3-Site Skinfold (Women) accurate, and what is it based on?+
The method is traceable to authoritative sources: Jackson AS, Pollock ML & Ward A, Med Sci Sports Exerc 1980;12:175-81. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the Jackson–Pollock 3-Site Skinfold (Women) free and private?+
Yes. It's completely free with no sign-up, and all computation happens locally in your browser, so none of your health data ever leaves your device.
Can I use this for medical decisions?+
This tool is for general fitness information only, not medical or training advice. Consult a professional before changing your routine.
What can I use the Jackson–Pollock 3-Site Skinfold (Women) for?+
It's commonly used for jackson pollock women, skinfold women, triceps suprailiac thigh. Triceps, suprailiac and thigh calipers with the female-specific density equation and Siri conversion.
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