Free calculator

Weight loss calculator

When will you reach your goal weight? Answer three short questions.

  • The date you can reach it
  • Your weight, week by week
  • What a faster or slower pace changes

Worked out in your browser. Nothing you type is sent or saved.

Your body

Where you are, and where you want to be.

Sex
Weight
Goal weight
Height
Year of birth

How this is worked out

Faster plans cost more muscle and are harder to keep up. The studies behind the limits

  1. The paceA kilo of body weight is about 7,700 kcal. Losing 0.4 kg a week means eating about 440 kcal a day less than you burn.
  2. A safe paceBetween 0.25% and 0.8% of your weight a week. Lower for people over 65.
  3. The bandPeople of the same size burn different amounts. The band shows that difference, turned into weeks.

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Your plan, checked every month

Snap your meals and step on the scale when you like. Snapkin compares the two and keeps your goal honest.

No card for the first 3 days. €9.99 a month or €99.99 €49.99 a year, via the app.launch price, for a limited time

What it costs