Libreng Tool

Covert Bailey Body Fat Calculator

Tantiyahin ang iyong body fat percentage gamit ang Covert Bailey girth measurement method. Tape measure lang ang kailangan mo.

Sukatin sa navel

in

Sukatin sa pinakamalapad na bahagi

in

Sukatin sa pinakamalapad na bahagi nang nakaunat ang braso

in

Sukatin sa pinaka-makitid na bahagi, sa ibabaw lang ng wrist bone

in

Ano ang Covert Bailey method?

Ang Covert Bailey method ay isang body fat estimation technique mula sa librong "Fit or Fat?" ni Covert Bailey. Gumagamit ito ng apat na circumference measurements (waist, hip, forearm, at wrist) para tantiyahin ang body fat percentage nang walang kailangang height, calipers, o anumang espesyal na equipment. Ang formula ay gumagamit ng magkaibang coefficients para sa lalaki at babae.

Bagamat hindi gaanong ginagamit sa clinical settings kaysa sa Navy method o skinfold testing, ang Bailey method ay nagbibigay ng mabilis na estimate na maaaring maging kapaki-pakinabang para sa pag-track ng changes sa paglipas ng panahon. Ang pangunahing bentahe nito ay simplicity: apat na measurements gamit ang tape measure at may result ka na.

Anong measurements ang kailangan ko?

  • Baywang: Sukatin sa navel habang nakatayo nang relaxed
  • Hip: Sukatin sa pinakamalapad na bahagi ng hips at buttocks
  • Forearm: Sukatin sa pinakamalapad na bahagi nang nakaunat ang braso
  • Wrist: Sukatin sa pinaka-makitid na bahagi, sa ibabaw lang ng wrist bone

Bailey method formulas

Lalaki: % Body Fat = waist + (0.5 x hip) - (3 x forearm) - wrist

Babae: % Body Fat = waist + (0.5 x hip) - (2 x forearm) - wrist

Lahat ng measurements ay nasa inches. Awtomatikong ko-convert ang metric values bago i-calculate.

Subukan ang iba pang paraan

Sinusuportahan din ng calculator na ito ang U.S. Navy method (tape measure), Jackson-Pollock 3-site skinfold (calipers), at manual entry para sa known values mula sa DEXA scans o scales.

Mga madalas na tanong

What is the Bailey body fat method?

The Bailey method is a body fat estimation technique from Covert Bailey's book "Fit or Fat?". It calculates body fat percentage from four circumference measurements — waist, hip, forearm, and wrist — using a simple arithmetic formula with different coefficients for men and women. No height, weight, or calipers are required, making it one of the most accessible circumference-based approaches.

How accurate is the Bailey method compared to DEXA?

The Bailey method is less validated in peer-reviewed literature than the U.S. Navy or Jackson-Pollock methods. It can provide a reasonable directional estimate for general fitness tracking, but error margins are wider than those reported for the Navy method or skinfold testing. For individuals whose body proportions differ substantially from the populations in which the formula was developed, results may be less reliable.

What measurements do I need for the Bailey method?

You need four circumference measurements taken with a flexible tape measure: waist (at the navel, standing relaxed), hip (at the widest point of the hips and buttocks), forearm (at the widest point with arm extended), and wrist (at the narrowest point just above the wrist bone). All four measurements can be taken in under two minutes.

How do circumference-only methods like Bailey compare to the Navy method?

Both the Bailey and Navy methods use only a tape measure and no calipers, but they measure different sites. The Navy method uses neck, waist, hip (women only), and height — a combination that has been extensively validated against DEXA in large military populations. The Bailey method uses waist, hip, forearm, and wrist without requiring height. The Navy method generally has stronger published validation data, while the Bailey method is valued for its simplicity.

Why might Bailey give a different result than my smart scale?

Smart scales estimate body fat using bioelectrical impedance analysis (BIA), which measures how quickly an electrical signal travels through your body. The Bailey method uses external circumference measurements and a formula based on body proportions. The two approaches rely on different physiological assumptions and are calibrated against different reference populations, so discrepancies of several percentage points between methods are normal and expected.

I-track ang iyong body composition results sa paglipas ng panahon gamit ang Cora

Awtomatikong tina-track ng Cora ang iyong metrics mula sa Apple Watch, Whoop, Garmin, at iba pa — para makita mo ang trends at makakuha ng personalized coaching.

Subukan ang Cora nang Libre