Weight Calculator

Use our free Weight Calculator online to estimate your ideal body weight easily. Get instant results based on height, age, and gender.

Weight Calculator

Enter mass and gravity to calculate weight.

Weight Calculator – Calculate Your Weight Easily Online

Intro

A Weight Calculator is a simple online tool that helps you estimate or track body weight based on height, age, gender, and sometimes body type. It’s useful for anyone who wants to monitor their fitness, check if they are in a healthy weight range, or calculate ideal body weight.

From fitness trainers to healthcare professionals, and even individuals on a weight-loss journey, the Weight Calculator online provides an easy way to understand whether your current weight is balanced for your body type. Unlike manual methods, this calculator gives instant and accurate results in seconds.


Formula / Working

The Weight Calculator often uses formulas to estimate Ideal Body Weight (IBW). Two of the most common formulas are:

1. Devine Formula (1974)

  • For Men:

IBW=50+2.3×(Height in inches−60)IBW = 50 + 2.3 \times (\text{Height in inches} - 60)IBW=50+2.3×(Height in inches−60)

  • For Women:

IBW=45.5+2.3×(Height in inches−60)IBW = 45.5 + 2.3 \times (\text{Height in inches} - 60)IBW=45.5+2.3×(Height in inches−60)

2. Hamwi Formula

  • For Men:

IBW=48+2.7×(Height in inches−60)IBW = 48 + 2.7 \times (\text{Height in inches} - 60)IBW=48+2.7×(Height in inches−60)

  • For Women:

IBW=45.5+2.2×(Height in inches−60)IBW = 45.5 + 2.2 \times (\text{Height in inches} - 60)IBW=45.5+2.2×(Height in inches−60)

These formulas give an estimated healthy weight range based on height and gender.


Step-by-Step Usage

Using the Weight Calculator online is very easy:

  1. Select your gender (male/female).
  2. Enter your height (cm or ft/in).
  3. Enter your age if required (some calculators adjust for age).
  4. Click Calculate to see your estimated healthy weight range.
  5. Compare your actual weight with the results to check if you are underweight, healthy, overweight, or obese.

Examples

Example 1: Male, 5’9” (175 cm)

  • Formula: Devine

IBW=50+2.3×(69−60)=50+20.7=70.7 kg (approx.)IBW = 50 + 2.3 \times (69 - 60) = 50 + 20.7 = 70.7 \text{ kg (approx.)}IBW=50+2.3×(69−60)=50+20.7=70.7 kg (approx.)

✅ Result: The ideal weight for a 5’9” male is around 70.7 kg.


Example 2: Female, 5’5” (165 cm)

  • Formula: Hamwi

IBW=45.5+2.2×(65−60)=45.5+11=56.5 kg (approx.)IBW = 45.5 + 2.2 \times (65 - 60) = 45.5 + 11 = 56.5 \text{ kg (approx.)}IBW=45.5+2.2×(65−60)=45.5+11=56.5 kg (approx.)

✅ Result: The ideal weight for a 5’5” female is around 56.5 kg.


Example 3: Female, 6’0” (183 cm)

  • Formula: Devine

IBW=45.5+2.3×(72−60)=45.5+27.6=73.1 kg (approx.)IBW = 45.5 + 2.3 \times (72 - 60) = 45.5 + 27.6 = 73.1 \text{ kg (approx.)}IBW=45.5+2.3×(72−60)=45.5+27.6=73.1 kg (approx.)

✅ Result: The ideal weight for a 6’0” female is around 73.1 kg.


FAQs

1. What does a weight calculator do?
It estimates your ideal body weight based on your height, gender, and sometimes age.

2. Is the weight calculator accurate?
It gives a general estimate, but actual healthy weight can vary depending on body composition, muscle mass, and lifestyle.

3. Can I use it for children?
No, children’s weight should be calculated using growth charts, not adult formulas.

4. What’s the difference between BMI and IBW?
BMI measures weight relative to height, while IBW estimates the most suitable weight for your frame.

5. Who needs a weight calculator?
Anyone who wants to check if their body weight is in a healthy range—students, fitness enthusiasts, or people on a health journey.

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