Reverse BMI Calculator To Find Weight
Want to know the exact weight you should aim for to stay healthy?
Our Reverse BMI Calculator 2025 helps you quickly find the ideal weight for your target BMI.
Just enter your height and the BMI you wish to reach, and the calculator shows the weight range you need.
To find BMI value use BMI Calculator for free.
Table of Content
What Is a Reverse BMI Calculator?
Simply the Reverse BMI Calculator tells you what weight you should maintain to reach your target BMI (Body Mass Index).
How to Use the Reverse BMI Calculator 2025
It is very easy.
- Type your height in meters.
- Type the BMI you like. (A healthy ideal BMI is usually 18.5 to 24.9). This is for adults
- Then, immediatley it will show your perfect weight.
Benefits of Knowing Your Ideal Weight
If we know the healthy weight we should maintain, we can try to reach it every day. This way, we can stay healthy.”
How to Find Reverse BMI
To find ideal weight we have to multiply targeted BMI with the square of the height.
Formula: How to Calculate weight from BMI and Height
Weight (kg) = BMI × (Height (m))²Height–Weight Chart (by BMI Categories)
| Height | Underweight (BMI < 18.5) | Normal (BMI 18.5–24.9) | Overweight (BMI 25–29.9) | Obese (BMI ≥ 30) |
|---|---|---|---|---|
| 4’10” (147 cm) | < 41 kg | 41 – 52 kg | 53 – 63 kg | ≥ 64 kg |
| 4’11” (150 cm) | < 42 kg | 43 – 54 kg | 55 – 65 kg | ≥ 66 kg |
| 5’0″ (152 cm) | < 43 kg | 44 – 56 kg | 57 – 68 kg | ≥ 69 kg |
| 5’1″ (155 cm) | < 44 kg | 45 – 59 kg | 60 – 71 kg | ≥ 72 kg |
| 5’2″ (157 cm) | < 46 kg | 47 – 61 kg | 62 – 74 kg | ≥ 75 kg |
| 5’3″ (160 cm) | < 47 kg | 49 – 63 kg | 65 – 77 kg | ≥ 78 kg |
| 5’4″ (163 cm) | < 49 kg | 50 – 66 kg | 68 – 80 kg | ≥ 81 kg |
| 5’5″ (165 cm) | < 50 kg | 52 – 68 kg | 70 – 83 kg | ≥ 84 kg |
| 5’6″ (168 cm) | < 52 kg | 54 – 70 kg | 72 – 86 kg | ≥ 87 kg |
| 5’7″ (170 cm) | < 53 kg | 56 – 72 kg | 74 – 89 kg | ≥ 90 kg |
| 5’8″ (173 cm) | < 55 kg | 57 – 74 kg | 76 – 92 kg | ≥ 93 kg |
| 5’9″ (175 cm) | < 56 kg | 59 – 77 kg | 79 – 95 kg | ≥ 96 kg |
| 5’10” (178 cm) | < 58 kg | 61 – 79 kg | 81 – 98 kg | ≥ 99 kg |
| 5’11” (180 cm) | < 59 kg | 63 – 82 kg | 84 – 101 kg | ≥ 102 kg |
| 6’0″ (183 cm) | < 61 kg | 65 – 84 kg | 86 – 104 kg | ≥ 105 kg |
| 6’1″ (185 cm) | < 62 kg | 67 – 86 kg | 88 – 107 kg | ≥ 108 kg |
| 6’2″ (188 cm) | < 64 kg | 69 – 89 kg | 91 – 111 kg | ≥ 112 kg |
| 6’3″ (191 cm) | < 65 kg | 71 – 91 kg | 93 – 114 kg | ≥ 115 kg |
| 6’4″ (193 cm) | < 67 kg | 73 – 94 kg | 96 – 117 kg | ≥ 118 kg |
How to read this chart:
- If someone is 5’6” and 54–70 kg → Normal weight
- If the same person is 72–86 kg → Overweight
- If ≥ 87 kg → Obese
What are the Healthy Ways to Reach Your Target BMI
- Eat good food like fruits, veggies, and grains like edible seeds and millets etc.
- Include dry nuts in your food. Include walnuts, cashew, etc.
- Drink plenty of water.
- Play outside or walk every day.
- Sleep well at night.
- Do these things slowly and you will feel fit.
Millets and Edible Seeds for Weight Management
- Millets are very small type of grains. Millets including foxtail millet, pearl millet, jowar, etc.
- Seeds are little power foods. They include pumpkin, cumin, watermelon seeds, etc.
- They have good fiber content and good nutrients.
- They keep your tummy ful.
- So you stay at the right weight.
Women & Men (Adults ≥ 20 years)
BMI values are the same for both male and female.
| BMI Range | Category |
|---|---|
| < 18.5 | Underweight |
| 18.5 – 24.9 | Normal weight |
| 25 – 29.9 | Overweight |
| 30 – 34.9 | Obesity Class I |
| 35 – 39.9 | Obesity Class II |
| ≥ 40 | Obesity Class III (Severe) |
Example:
- Height = 1.65 m (5’5”)
- Weight = 70 kg
- BMI = 70 ÷ (1.65 × 1.65) = 25.7 → Overweight
Children & Teens (2–19 years)
For kids, BMI value is age- and gender-specific. Instead of fixed values, it is compared with percentiles on growth charts as per (WHO/CDC).
| BMI Percentile | Category |
|---|---|
| < 5th percentile | Underweight |
| 5th – 84th percentile | Healthy weight |
| 85th – 94th percentile | Overweight |
| ≥ 95th percentile | Obese |
Example:
- A 10-year-old boy with BMI = 19 → may be “normal” or “overweight” depending on his percentile curve.
Summary
- Adults (male and female): Same fixed BMI values.
- Children: Use percentile charts. Not fixed numbers.
FAQ
What is BMI?
BMI full form is Body Mass Index. It is a simple calculation about our body using height and weight. BMI value is the measure of how much body fat is there. Also estimates the person as underweight, normal, overweight, or obese.
What is Reverse BMI?
Reverse BMI means we will find ideal weight of a person to maintain required BMI value. That means we will find the ideal weight using height value and required BMI value.
What is a Healthy BMI Range ?
For adults generally, a BMI between 18.5 and 24.9. This range is considered healthy. For children, BMI is measured using percentile charts based on age and gender.
For new parents use our Newborn weight loss calculator to track your babies weight.
