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83% positive over last 12 months
TANITA's BF-679W FDA Cleared Multi-Frequency Weight / Body Fat / Body Water Scale
Purchase options and add-ons
Brand | TANITA |
Color | Silver |
Weight Limit | 300 Pounds |
Material | Plastic |
Item Weight | 6.06 Pounds |
About this item
- FDA CLEARED, DARE TO COMPARE! Uses TANITA's Bioelectric Impedance Analysis (BIA) technology for body fat and body water measurements
- World's ONLY consumer Multi-Frequency weight, body fat, and body water home scale
- Weight-only feature shown in pounds, kilograms, and stone-pounds
- 300 lb. weight capacity, memory function for 2 adults, review past readings
- Includes 3-year warranty and batteries
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From the brand
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TANITA - What Is It We Do?
Launched in 1923, we are the leader in manufacturing Japanese-Made scales:
Professional, Body, Consumer, Kitchen & Mini Scales
TANITA offers products that give you the ability to monitor your body, the effects of diet and your fitness routine.
We make innovate scales that includes weight-only, body fat, body composition, segmental body composition, radio wireless scales, and over-all health monitors.
Trusted by physicians, researchers, and hospitals worldwide Tanita products provide the ultimate in accuracy and reliability.
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Our Purpose
Make the world a healthier, happier place through the power of health insights and empower you to take control over your own health.
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Our Mission
Tanita continuously strive to find new perspectives that enable people across the world to improve their health and live happier lives.
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Product Description
The Tanita BF-679W Multi-Frequency Body Fat / Body Water Monitor calculates body fat and body water levels using Bioelectric Impedance Analysis (BIA) technology. By sending a safe, low-level electrical signal through the body, Tanita’s exclusive FDA cleared BIA technology, measures weight, body fat, and body water %. BIA is quick and non-invasive, and is one of the most thorough and reliable ways to measure body composition, clinically comparable to DXA (dual-energy x-ray absorptiometry) and hydrostatic (underwater) weighing.
The BF-679W features a weight capacity of 300 pounds, it operates for greater than 2 years on four AA batteries (included).
Total Body Water % Measurement
Total Body Water % is the total amount of fluid in the body expressed as a % of total body weight (applicable for ages 18-99). Body water levels naturally fluctuate through out the day. Bodies tend to be dehydrated after a long night sleep and there are difference in fluid distribution between parts of the day. Body water % should act as a guide and should not be used as an absolute. It is meant to be used to track long-term changes in the total body water % and maintain a consistent, healthy body water %.
The average TBW% ranges for a healthy person are: 45 to 60% for females and 50 to 65% for males
Note: Total body water % will tend to decrease as the percentage of body fat increases. A person with a high % of body fat may fall below the average body water %. As you lose body fat, the total body water % should gradually move toward the average range.
Body Fat % Measurement
Body Fat Percentage is the proportion of fat to the total body weight (applicable for ages 7-99). Following body fat % measurement, a black bar will flash along the bottom of the display, identifying where the measurement falls within the Healthy Range Indicator.
Product details
- Is Discontinued By Manufacturer : No
- Product Dimensions : 13.9 x 2.7 x 13.8 inches; 6.06 Pounds
- Item model number : BF 679W
- Batteries : 4 AA batteries required.
- Date First Available : October 2, 2001
- Manufacturer : Tanita
- ASIN : B0009V1YPK
- Best Sellers Rank: #68,241 in Health & Household (See Top 100 in Health & Household)
- #14 in Body Fat Monitors
- #132 in Digital Bathroom Scales
- Customer Reviews:
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Price | $69.99$69.99 | $44.99$44.99 | $44.99$44.99 | $19.87$19.87 | $23.99$23.99 | $29.99$29.99 |
Price Per Unit | $69.99 / Count | $44.99 / Count | — | $19.87 / Count | $23.99 / Count | $29.99 / Count |
Delivery | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | — | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 |
Customer Ratings | ||||||
Easy to read | 4.2 | 4.8 | 4.6 | 4.7 | 4.6 | 4.6 |
Easy to use | 4.1 | 4.8 | 4.8 | 4.6 | 4.6 | 4.6 |
Accuracy | 4.0 | 4.7 | 5.0 | 4.3 | 4.4 | 4.4 |
Value for money | — | 5.0 | — | — | 4.5 | 4.5 |
Mobile App | — | — | — | 4.1 | 4.3 | 4.3 |
Sold By | The Competitive Edge | INEVIFIT | The Competitive Edge | Amazon.com | Amazon.com | Amazon.com |
material | Plastic | Glass | — | Tempered Glass | Tempered Glass | Tempered Glass |
max weight capacity | 300 pounds | 400 pounds | 330 pounds | 180 kilograms | 400 pounds | 400 pounds |
readout accuracy | — | 0.1 kg or 0.2 lb | 0.2 | 0.1 | 0.1 | 0.1 |
weight | 6.06 pounds | 3 pounds | 2.4 pounds | 1.8 kilograms | 2.7 pounds | 4.21 pounds |
Important information
Legal Disclaimer
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the accuracy, performance, ease of use, weight and quality of the health personal care product. For example, they mention it's very accurate, works well, produces very consistent results and is easy to set up. Some appreciate the weight and body fat features. Overall, customers are happy with their purchase and recommend it to others.
AI-generated from the text of customer reviews
Customers like the accuracy of the scale. They mention that it is very accurate and holds its accuracy very well. They appreciate the precision and consistency with respect to body fat measurements. Overall, customers are satisfied with the accuracy and reliability of the product.
"...tried it out alongside three other different scales, and it appears fairly accurate. I wanted something basic that could also do BF%." Read more
"...Great scale." Read more
"...This scale fit my needs as closely as possible. It's accurate, consistent on different surfaces, seems sturdy, and is unobtrusive in my bathroom...." Read more
"...That was a great, accurate scale and even though it wasn't a "smart scale" with wifi... it was not made of glass and felt safer so I went looking..." Read more
Customers like the performance of the scale. They say it works well, produces very consistent results, and works flawlessly on the original batteries. Some customers also say that it's easy to set, use, and read. Overall, most are satisfied with the performance and functionality of the product.
"This is a great scale. It produces very consistent results; always giving me the same reading (or +-0.2 lbs) when measuring back to back...." Read more
"...Still using my scale every day, and it's still working perfectly. I've changed the batteries once. Still highly recommend!" Read more
"...Will measure Lb, Kg or Stones. Works like a charm. 10 year warranty. If you are an athelete or a family, spend some more, but stay with Tanita...." Read more
"...I never give reviews, but I am not happy. What a waste of money." Read more
Customers find the scale easy to use and program. They say it's much easier to calculate results with this scale than other stats and averages. Customers also mention that the set up was easy and quick, and it can save 2 people's information.
"Pro: Easy to set up multiple male/female users and different weight scales, i.e. Lb and Kg. Tested accuracy on this one and the one it was replacing...." Read more
"...I think it’s easy to use but I could easily see this being a medium difficulty for the average user...." Read more
"...And has setting to use for guests.My DR...." Read more
"...It's easy to use, and stores personal information for two people and 'guests' [who can enter their information in on a third monitor]...." Read more
Customers like the weight of the scale. They say it's accurate, and can be used for just straight weighing. It has the option to weigh in kilograms or stone/pounds, and is substantial in terms of weight. Customers also like that it saves their weigh-ins.
"...the other readings with which the Tanita scale follows up, I had LOST fat mass, GAINED muscle mass, and was retaining some water, probably due to..." Read more
"...From my experience and observations, my scale has been good at measuring weight for all the time I’ve had it.The weight is consistent...." Read more
"...It also has options to weigh in kilograms or stone/pounds. I've found a slight variation with the body fat percentage: about a half percent variance...." Read more
"...Con: Scale itself is a bit heavy. If placed in a stationary location, this is not a problem...." Read more
Customers like the quality of the scale. They say it is well-made, durable, and reliable. Customers also appreciate that it is not made of glass and is able to sense even the slightest changes in weight. They also mention that it's a good home product and that the bottom plate is made out of steel.
"...to within +/- .1 or .2 lbs, my priorities were: that the materials be durable, that the scale be accurate and able to work on various surfaces..." Read more
"...The fact that it's metal and not made of glass is certainly a plus...." Read more
"...However, it’s more flimsy than the old Tanita. It seems to work okay for now so we’ll see how long it lasts." Read more
"...Also, this is a metal case scale, so no glass to break....old school quality...." Read more
Customers like the value of the product. They mention it's great for the price, accurate for its cost, and a good investment.
"...I ordered my own Tanita through Amazon at a very affordable price and immediately began benefitting by accurate weight calibration plus the..." Read more
"...This is a lower price home use product which works for me." Read more
"...The precision did not change over time. Good investment and the price through Amazon was better than other places." Read more
"...This is by far the best scale I've owned, and a great value!" Read more
Customers are mixed about the body fat. Some mention that it measures body water and fat, and is a great way to measure your body fat and monitor it over time. However, others say that the variability of the bodyfat percentage (within 5% points) seems to be an issue, and there seems to been some bias in the fat percentages given based on sex. The electrode sensors only measure body fat from your lower body.
"...The fact that it tracks body fat and water is also a plus since it seems like the only scales that do that are "smart scales" made of glass...." Read more
"There seems to be some bias in the fat percentages given based on sex...." Read more
"...As for reading the display, numeric characters display well, but the BMI indicator (-, 0, +) is sometimes hard to see clearly for older eyes...." Read more
"...As for it's accurate determination of "body fat" and "water", I can't say, but feel these are a bit gimicry anyway...." Read more
Customers are mixed about the readability of the scale. Some mention it's easy to set up and use, with clear readings, while others say that it'll give you a different reading every time.
"...It just goes to multiple zeros and refuses to shut off...." Read more
"...I think it’s easy to read. Once you set up your personal settings you tap the one button and it will show you your previous values...." Read more
"...than I got 5 years ago in Japan, the quality may be so so and not very countable - But I was wrong. It's still good quality...." Read more
"...The body fat and water is WAY off. The numbers don't add up at all...." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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I considered several scales, ultimately narrowing my search down to this and a newer scale by a company called Greater Goods. I chose this scale because even though it is not a new model and was ten dollars more than the Greater Goods scale, I was ultimately skeptical about buying from a relatively unproven brand whose products include scales and...um...coffee?? From past experience, I knew Tanita to be a quality scale from a manufacturer invested solely in the business of making scales, and I knew the life cycle to be much longer than many other manufacturers. It bodes well to me that this model is at least 12 years old and is still being manufactured and sold.
I don't need (or want) a scale that syncs with my other devices and I'm not an athlete, so aside from wanting a general sense of my BMI and accurate weight measurements to within +/- .1 or .2 lbs, my priorities were: that the materials be durable, that the scale be accurate and able to work on various surfaces (my floor is uneven and I have the unit placed on a mat), that it have some thickness to it and to NOT turn on automatically when stepping on it (I often use this for a boost in height in front of my mirror and I don't want to run out batteries unnecessarily), and that it not look horrible in my bathroom.
This scale fit my needs as closely as possible. It's accurate, consistent on different surfaces, seems sturdy, and is unobtrusive in my bathroom. However, I would have preferred the design of my previous Tanita scale, for two reasons. First, the surface of this scale is slightly convex, which means that when stepping on it, the scale feels like it will tip sideways or that I will roll my ankle. Second, the metal pads for the electric current are of an awkward shape and are placed a bit too far apart for my average-sized-female feet. Still, relative to my previous Tanita, I get the features I wanted and then some (water measurement and memory buttons for two users), so I'm glad that I made this choice and hope that this scale serves me at least as long and as well as my previous scale.
Con: Scale itself is a bit heavy. If placed in a stationary location, this is not a problem. Display needs overhead lighting (ceiling or hand-held flashlight) to see clearly. Large letters and numbers but no back lighting on the scale. NOT a deal breaker, just a minor annoyance. Aloha.
My weight loss program had included standing on my doctor's Tanita scale at each appointment while weight, water retention, fat loss, and muscle mass were calibrated. One of the basic parts of my new life of maintenance meant that this responsibility was now passed on to me, but he only bathroom scale I owned gave me an approximate reading of gross weight with no breakdown. Such a Stone Age tool was no longer viable. I ordered my own Tanita through Amazon at a very affordable price and immediately began benefitting by accurate weight calibration plus the absolutely necessary readings of fat and water percentage.
Shortly after I began my own readings with my Tanita, I went on a major vacation in which exercize and eating were two featured activities. I came home and stepped on my Tanita, and to my horror saw I had gained five pounds! (I mean, how surprising was that?) After I calmed down I noticed, thanks to the other readings with which the Tanita scale follows up, I had LOST fat mass, GAINED muscle mass, and was retaining some water, probably due to sodium intake. I breathed a sigh of relief and am thankful for the absolutely necessary knowledge my new Tanita Scale gives me. My opinion is that it is an irreplaceable tool for maintaining proper weight and good health.
Top reviews from other countries
The scale itself is pretty consistent. When measuring weight, body fat %, and body water % multiple times in a row, it gives the same set of results. The body fat % this scale gives is also very close in value to another scale that I've tried that was used in a university lab.
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