BMI For 170 cm And 51 kg - Find Your Personal BMI Score & Ideal Weight

Michelle Saari MSc, RD
Registered Dietitian

By Michelle Saari MSc, RD

Fact Checked And Reviewed By Adrian White, Certified Herbalist

Last Updated on,
September 16th, 2024

BMI Scale

Underweight BMI

18 At 170 cm And 51 kg Your BMI Is 18

Height

170cm

Weight

51kg

+3 kg

To A Normal BMI Classification
Normal BMI starts: 54 kg

+22 kg

To A Overweight BMI Classification
Overweight BMI starts: 72 kg

BMI Grading Table For Height 170 cm

Weight Weight Class
Below 53 kg Underweight
54 kg - 72 kg Normal
72 kg - 87 kg Overweight
87 kg And Above Obese

Recalculate Your BMI

Metric
Standard

Gender

Male
Female

Age

Height

Weight

Underweight

If You Wanted A Normal BMI Weight Of 72 kg And You Wanted To Gain Weight, We Recommend Consulting Doctor.

Ideal Weight For A 170 cm Male Or Female

The Ideal Weight Range Using The BMI For A Male Or Female With A Height Of 170 cm Is

Between

54 kg
And
72 kg

How to Calculate BMI For 170 cm And 51 kg

170 / 100 = 2 (Height in m)2 X 2 = 4
51 / 4 = 18 BMI

170 = Height cm | 51 = Weight kg

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Underweight BMI Silhouette

Underweight BMI

Nearest Weights @ 170cm

What’s my BMI?

Body Mass Index (BMI) is one way to measure health in older adults. If we think of health like a puzzle, BMI is just one piece of a very large puzzle. While it does not fully determine whether an individual is healthy or not, it does help in determining long-term health outcomes.

BMI is a calculation of the ratio of height to weight, this gives a number that is compared to a reference range.

According to The World Health Organization (WHO) BMI does have limitations that make it not appropriate to use as a sole indicator of health. So let’s take a look at when it’s useful, and how to properly use it!

BMI and its Role in Health

Calculating the BMI is actually relatively simple.

BMI = kg/m2

Kg = Kilograms Body Weight

M2 = Height in Metres Squared

A practical example would be a woman who is 5 feet 6 inches tall, which equals 1.68 meters, or 2.82 meters squared. This woman weighs 68 kilograms. So if we plug that into the formula we get:

BMI = 68 / 2.82

BMI = 24.1

BMI Range

Health CategoryBMI Range
Underweight< 18.5
Normal WeightBetween 18.5-24.9
OverweightBetween 25-29.9
Obese≥ 30

References

  1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8984168/
  2. https://www.cdc.gov/bmi/faq/index.html
  3. https://www.nhlbi.nih.gov/health/educational/lose_wt/BMI/bmi_tbl.pdf
  4. https://www.nhlbi.nih.gov/health/educational/lose_wt/BMI/bmi_tbl.htm
Michelle Saari MSc, RD
Written By Registered Dietitian Michelle Saari MSc, RD
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Michelle Saari is a highly experienced Registered Dietitian based in Canada, specializing in nutrition for aging well. She holds a Master’s Degree in Human Nutritional Sciences from the University of Manitoba and has completed a Dietetic Internship at the Northern Ontario School of Medicine. She also holds a Bachelor’s Degree in Human Nutritional Sciences and a Bachelor of Science in Biology from the University of Manitoba. With over six years of experience as a Clinical Dietitian at the Winnipeg Regional Health Authority, Michelle has extensive knowledge in nutrition education and food services. She has also served as the Director of the Food and Nutrition Services Department, where she led numerous initiatives to improve patient care through targeted nutrition strategies. She is the founder of two elderly nutrition-focused health blogs, The Dietitian Prescription and The Long Term Care RD. Through these platforms, she creates engaging and informative content that bridges the gap between scientific research and practical dietary choices. She is passionate about promoting health through evidence-based nutrition advice, specializing in high protein, high fiber, and low Glycemic Index cooking. Her expertise has been recognized by prominent media outlets, including Forbes, Fox News, Men’s Health, Yahoo, MSN, She Finds, Eat This Not That!, U.S. News and World Report, and AskMen.com. She has also been a featured guest speaker at esteemed events such as the North West Renal Dietitian's Annual Conference and the Dietitians of Canada Annual Conference, where she presented her thesis research.

Frequently Asked Question' s

What Is The BMI For A 170 cm And 51 kg Female?

For a female with a height of 170 cm and weight of 51 kg, the calculated BMI is 18. This falls into the underweight category on the BMI scale.

What Is The BMI For A 170 cm And 51 kg Male?

If a male is 170 cm tall and weighs 51 kg, their calculated BMI would be 18. This BMI value is considered underweight for adult males.

What Is The Ideal Weight For A 170 cm Female?

For a 170 cm female, the ideal weight range is approximately 53.58-72.11 kg. At 51 kg , this individual would be considered underweight for their height.

What Is The Ideal Weight For A 170 cm Male?

The ideal weight range for a male with a height of 170 cm is around 53.58-72.11 kg. This means a 170 cm 51 kg male would be underweight.

If I Am 170 cm And Weigh 51 kg, Is That A Good Weight For My Height?

No, if you are 170 cm tall and weigh 51 kg, this would be considered underweight based on BMI calculations. The ideal weight range for 170 cmmale and female is 53.58-72.11 kg.

How Is BMI Calculated For A Height Of 170 cm And Weight Of 51 kg?

To calculate BMI for someone 170 cm tall and weighing 51 kg, you take the weight in kilograms and divide it by the height in meters squared. For these stats, the BMI formula is 51.17 kg / ( 1.7018m)2 which equals a BMI of 18.

Is A BMI Of 18 Good For Someone 170 cm Tall?

No, a BMI of 18 for a 170 cm individual would be considered underweight. A healthy BMI range is usually 18.5-24.9. At this height, the ideal BMI is approximately 19-25.

What Are Yhe Weight Ranges For Different BMIs At 170 cm Tall?

For a 170 cm adult:
Underweight BMI is less than 18.4 = Under 53.29 kg
Healthy Weight BMI 18.5-24.9 = 53.58-72.11 kg
Overweight Weight BMI 25-29.9 = 72.40-86.59 kg
Obese BMI 30 or higher = Over 86.88 kg

Does BMI Take Age/Gender Into Account For A 170 cm Person?

The standard BMI calculations do not factor in age or gender. However, ideal weight ranges can differ slightly for males vs females of the same height. BMI standards also have different categories for older adults over age 65.
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