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Health Calculators

Target Weight Calculator

Verified formula Updated Jun 2026 Private — runs on your device

Enter details
cm
Verified formula Private

Target weight

63.6

Healthy range – lower (BMI 18.5)
53.5
Healthy range – upper (BMI 25)
72.3

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Target Weight Calculator

The Target Weight Calculator works out your target weight, along with 2 related figures in an instant. Enter height and target bmi and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the height.
  2. Enter the target bmi.
  3. Read off your target weight, together with healthy range – lower (bmi 18.5) and healthy range – upper (bmi 25) — the calculator updates automatically, with no button to press.

Formula

The Target Weight Calculator uses the formula:

Target weight = Target BMI × ((Height ÷ 100) ^ 2)

Worked example

For example, with height of 170 cm and target bmi of 22, the target weight is 63.6.

Inputs used
Height 170 cm
Target BMI 22
Results
Target weight 63.6
Healthy range – lower (BMI 18.5) 53.5
Healthy range – upper (BMI 25) 72.3

Results are estimates for educational use, not professional advice.

Key terms explained

BMI
Body Mass Index — weight in kilograms divided by height in metres squared, a screening measure of body weight.

Frequently asked questions

Multiply your target BMI by your height in metres squared. For 170 cm and a target BMI of 22, that is about 63.6 kg.

A BMI of 18.5 to 25 is generally considered healthy. For 170 cm that is roughly 53.5 to 72.3 kg.

BMI is a quick guide but does not separate muscle from fat. Athletes and very muscular people may sit above the healthy range while being fit.

Many people aim near the middle of the healthy range, around 22. Personal factors matter, so discuss goals with a health professional.

The Target Weight Calculator uses the formula: Target weight = Target BMI × ((Height ÷ 100) ^ 2). For example, with height of 170 cm and target bmi of 22, the target weight is 63.6.

Enter the height. Enter the target bmi. Read off your target weight, together with healthy range – lower (bmi 18.5) and healthy range – upper (bmi 25) — the calculator updates automatically, with no button to press.

Healthy Weight Targets and Body Ratios Beyond BMI

BMI is only a starting point — set a realistic target weight, use body ratios like waist-to-height and the ponderal index, and track progress the right way for a sharper picture of health.

4 min read

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