Calorie Deficit Calculator

Find out how many calories to eat for weight loss and when you'll reach your goal
Maintenance calories
Daily calorie target
Weekly weight loss
Time to goal

What is a Calorie Deficit?

A calorie deficit means eating fewer calories than your body burns. A deficit of 500 kcal/day leads to ~0.5 kg of fat loss per week. Sustainable weight loss is 0.5-1 kg per week. Faster loss often leads to muscle loss and rebound weight gain.

Consult a doctor before starting any weight loss plan.

What is a Calorie Deficit?

A calorie deficit occurs when you consume fewer calories than your body burns. Your body then turns to stored fat for energy, leading to weight loss. A deficit of 500 kcal per day typically results in about 0.5 kg (1 lb) of fat loss per week — a safe, sustainable rate recommended by health organizations worldwide.

Larger deficits lead to faster weight loss but increase the risk of muscle loss, nutritional deficiencies, metabolic slowdown, and rebound weight gain. The recommended maximum is 0.5-1 kg (1-2 lb) per week.

How to Create a Sustainable Deficit

Reduce calories by 250-500: Cut processed foods, sugary drinks, and high-calorie snacks. Replace them with vegetables, lean proteins, and whole grains that keep you full longer.

Increase activity: Walking 10,000 steps burns ~300-400 extra kcal. Adding 20-30 minutes of cardio can increase your deficit without extreme dieting.

Combine both: A 250 kcal reduction + 250 kcal extra activity = 500 kcal deficit. This is the most sustainable approach.

Why Diets Fail

80% of diets fail within the first year. The main reasons are: too aggressive deficits (unsustainable hunger), lack of tracking (people underestimate calories), and lack of support. AI-powered tracking in Telegram makes logging effortless — snap a photo and the AI logs everything automatically.

Consult a doctor before starting any weight loss plan, especially if you have underlying health conditions.

Track your deficit with AI

Log meals by photo, AI tracks calories automatically. See your progress in charts.

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