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Body Composition Analysis

How It Works

The Tanita Body Composition Analyzer, through​ bioelectrical impedance​, calculates a person's percentage of body fat. High body fat ​​percentage is directly correlated with increased risk of obesity, cardiovascular disease, diabetes, and certain types of cancer. This is NOT recommended for individuals who have a pacemaker or who may be pregnant.

To improve the accuracy of the test, proper protocol must be followed. Please schedule a time when you can adhere to the following recommendations.
  • No alcohol 48 hours before the analysis.
  • Avoid intense exercise 12 hours before the analysis.
  • Avoid eating or drinking (especially caffeine) 4 hours before the analysis.
  • Empty your bladder 30 minutes before the analysis.
  • Avoid all diuretic medications for 7 days before the analysis (only if possible).
  • Schedule the analysis at least 3 hours after waking.
  • Pre-menstrual women may retain fluid, which can affect the outcome of the analysis.
The Body Composition Analysis is conducted by a trained peer health educator and requires you to stand barefoot (in light clothing) on a scale. This is a 15-20 minute appointment. 

You will receive a computer generated analysis with the following information: body weight, body mass index (BMI), percentage of body fat, calculated basal metabolic rate (BMR), fat mass, fat-free mass, and total body water.  

Schedule an Appointment 

Appointments for Body Composition Analysis at Student Health Services are available 
Weeks 2 - 10 of each quarter on the following days and times.

  • Tuesdays at 11:00AM or 11:30AM
  • Wednesdays at 10:00AM or 10:30AM
  • Thursdays at 2:00PM or 2:30PM
  • Fridays at 9:00AM or 9:30AM

Email the following information to to make an appointment. Please use the subject line "Secure: Body Composition Analysis". You will be contacted with a confirmed appointment date and time.

  • Name
  • Student PID number
  • Preferred appointment dates and times

Body Composition Analysis at The Zone (PC Plaza) is available on a walk-in basis on Wednesdays from 11:00AM - 11:45AM (Weeks 2 - 10).

You can make an appointment with the Registered Dietitian for any follow-up concerns you may have by calling (858) 822-5926. Read more about BMI here.  

NOTE:  Registered UCSD students receive one FREE body comp per academic quarter.