Calorie deficit
Enter your maintenance calories, daily deficit and kg to lose: find out how many calories to eat and the estimated time.
What it's for
To lose weight you need a calorie deficit: eating less than you burn. About 7700 kcal equals 1 kg of fat. Here you get target calories and time to the goal.
Safety
A healthy deficit is 300-500 kcal per day (max ~1 kg per week). Too aggressive deficits backfire. Not medical advice: for serious diets see a nutritionist.