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Ideal weight calculator

Estimate your ideal body weight (Devine formula).

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The Ideal weight calculator turns Sex, Height (cm) into Ideal weight, instantly and for free. For instance, with Sex = Male and Height (cm) = 175 it returns Ideal weight = 70.465 kg.

How to use it

  1. Enter your values: Sex, Height (cm).
  2. Read the result instantly: Ideal weight.

Frequently asked questions

What does the Ideal weight calculator actually compute?

It takes Sex and Height (cm) and derives Ideal weight from them. The calculation is live as you type, so the result updates on every change.

What information do I need to provide?

2 values: Sex and Height (cm). Nothing else is required — no account, no file upload.

Can you show a worked example?

With Sex = Male and Height (cm) = 175, the calculator returns Ideal weight = 70.465 kg. Those figures come from running this exact tool, so you can reproduce them by entering the same values.

What happens if I enter larger values?

It moves a lot. Using Sex = Female and Height (cm) = 193 instead, Ideal weight goes from 70.465 kg to 82.264 kg — which is why it is worth testing a few scenarios rather than trusting a single figure.

Which “Sex” option should I choose?

You can pick between « Male » and « Female ». Each one changes what the calculator works out, so switch and compare — the default is « Male ».

What does it give for smaller values?

Scaled down to Sex = Male and Height (cm) = 158, Ideal weight comes out at 55.071 kg. The relationship is worth checking at both ends before you rely on a single result.

When would I actually use this?

Getting a reference point before a check-up, setting a realistic target, and understanding why two people of the same weight can be in very different shape — and, the same act from the other side, putting a day's caffeine, salt, sugar or alcohol beside the ceiling a health body publishes for it.

What is the most common mistake?

Reading BMI as a measure of health. It cannot tell muscle from fat, which is why athletes routinely score as overweight and why it says little about an individual.

What is the difference between the Ideal weight calculator and the Target weight for a BMI calculator?

This one returns Ideal weight; the Target weight for a BMI calculator returns Target weight (kg). That is the whole difference — open the one whose figure you need.

Is there a tool for the next step?

Weekly weight-loss from calorie deficit is the closest one after this: Convert a daily calorie deficit into expected weekly and monthly weight loss.

Further reading

All guides →
ExplainerWhat Is Your Ideal Weight?There's no single ideal weight — it's a healthy range. Here's what the common formulas say, what they miss, and better ways to judge a healthy weight.How-toHow to Find Your Target Weight for a Healthy BMIThe healthy BMI band of 18.5–24.9 turns into a weight range once you know your height. Here is how to work out yours step by step.ExplainerWhat Is a Healthy Waist-to-Height Ratio?Keeping your waist under half your height is a simple health marker. Learn what waist-to-height ratio means, how to measure, and why under 0.5 is the goal.ExplainerWhat Is a Healthy BMI?BMI groups weight into ranges relative to height. Here's what counts as healthy, how to calculate it, and the limits of the number.ExplainerWhat Is a Good Body Fat Percentage?Body fat percentage is a better health signal than weight alone. Here are the healthy ranges by sex, how it's measured, and how to use it wisely.ExplainerWhat Is Your BMR? Basal Metabolic Rate ExplainedYour basal metabolic rate is the energy your body burns at complete rest. Learn how the Mifflin-St Jeor equation estimates it and what raises or lowers it.