Your recommended calorie intake depends on various factors, like age and activity level. Most women need 1,600–2,400 daily calories to maintain their weight. Most men need 2,000–3,000 calories. Eating fewer can lead to weight loss.
Reducing the number of calories you eat per day can be an effective weight loss method (1Trusted Source).
However, figuring out exactly how many calories you should eat can be tricky, as it depends on a variety of factors, including your age, sex, size, and activity level.
How to use this calculator
This calculator uses your age, size, sex, and activity level to estimate the number of calories you should eat per day to maintain your weight.
You can adjust this number based on your goals if you’re trying to gain or lose weight.
Keep in mind that this tool only provides general guidance, as activity levels and many other factors influence your daily calorie needs. Thus, this calculator will likely provide a number that’s close to your calorie needs, but it’s not a perfect tool.
Your doctor or dietitian can offer more individualized advice on your ideal calorie intake depending on your health status and goals.