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Calculator Tools
Weight Management Calculators

Weight Goal Calculator

Check whether a goal weight is realistic for your height and by when you can reach it at a safe rate.

Enter values

Results update as you type.

Result

Goal date

Tuesday, April 20, 2027

Your goal falls in the healthy BMI range.

Weeks needed
30
Goal BMI
24.2
Goal category
Healthy weight

Educational estimate only — not medical advice. Talk to a healthcare professional about your individual situation.

About the Weight Goal Calculator

Check whether a goal weight is realistic for your height and by when you can reach it at a safe rate.

Also known as: goal weight calculator, target weight, realistic weight goal.

How to use this calculator

  1. Enter height (cm), current weight (kg), goal weight (kg), weekly change and the other fields.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Weeks = |current − goal| ÷ weekly change

Worked example

Using the values pre-filled in the calculator above:

  • Height (cm) = 170
  • Current weight (kg) = 85
  • Goal weight (kg) = 70
  • Weekly change = 0.5 kg
  • Starting date: 2026-09-22

the calculator returns:

  • Goal date: Tuesday, April 20, 2027
  • Weeks needed: 30
  • Goal BMI: 24.2
  • Goal category: Healthy weight