Weight Loss Calculator

This static tool cannot reliably predict a completion date. Use a dynamic model and review your actual trend.

Neither. It is an energy-equivalent calculation, not a prediction of tissue change.

Consider your whole week, including work and walking. Sedentary means mostly sitting; light means some movement; moderate means regular exercise and daily movement; very active and extreme indicate substantially more activity. These categories are rough estimates.

For a 2,000 kcal maintenance estimate, 10% is 200 kcal. A deficit subtracts it and a surplus adds it. It is not a 10% change in body weight.

No. Short-term weight changes can reflect factors other than tissue gain or loss. Compare a longer-term trend rather than treating a daily fluctuation as proof.

Read the explanation below each field. The initial values are examples, not your measurements. Use your scale or tape for body measurements. For a calorie budget, start with the Calorie or TDEE calculator. Optional water allowances can stay at zero.

Yes, where body measurements are used. Changing the unit selector converts the entered values. Imperial height is total inches: 5 feet 9 inches is 69 inches, not 5.9.

Generally healthy adults aged 20–78 who are not pregnant or breastfeeding. It is not intended for children, eating-disorder recovery, medically prescribed diets or fluid restrictions.

Tools may use different equations, activity assumptions, unit conversions or rounding. Compare the method and inputs before comparing the result. None of these estimates is an exact measurement.

Calculate first, then choose Download PNG or Print / Save PDF. The export includes the inputs, results, explanation, method and references. Your site logo is included when configured; otherwise a Foodmanac wordmark is used.

This plugin calculates in your browser and does not send your measurements. Food search sends the food name to the website. Other site plugins may have their own analytics or privacy behavior.