Weight Loss Calculator
Plan safe weight loss — daily calorie deficit from your goal and timeline.
🔄 Updated October 13, 2026
About the Weight Loss Calculator
The Weight Loss Calculator helps you track an important health number in seconds. Plan safe weight loss — daily calorie deficit from your goal and timeline. Results are estimates for awareness and planning — always consult a qualified professional for medical advice. You may also like the BMI Calculator and TDEE Calculator.
How to use this calculator
- Enter your numbers in the fields above.
- Results update instantly — no button to press, no page reload.
- Adjust the inputs to compare scenarios with the Weight Loss Calculator.
Keep exploring: BMI Calculator · Calorie (BMR) Calculator · Age Calculator · Pregnancy Calculator
Frequently asked questions
How fast can I lose weight safely?
0.5–1 kg per week is the widely advised safe range.
How many calories per kg?
About 7,700 kcal equals one kilogram of body fat.
Related tools
BMI CalculatorCheck your Body Mass Index and see which weight category you fall into. Calorie (BMR) CalculatorEstimate daily calorie needs from age, gender, height, weight and activity level. Age CalculatorFind your exact age in years, months and days from your date of birth. Pregnancy CalculatorTrack pregnancy week by week — enter LMP date to get due date, weeks… Ovulation CalculatorFind your fertile window, ovulation day and next expected period from cycle details. Body Fat CalculatorEstimate body fat percentage with the U.S. Navy tape-measure method.