See how long it will take to reach your goal weight and the daily calories needed, based on your current weight, target, and chosen rate of change.

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See how long it takes and the daily calorie change required.
Work out the daily calorie deficit you need to lose weight at a safe, sustainable pace. See your maintenance calories and a target for your goal.
Try it nowCalculate your ideal daily macronutrients—protein, carbs, and fat—based on your calories and goal, whether you want to lose fat, maintain, or build muscle.
Try it nowFind how much water you should drink each day based on your bodyweight and activity level. Get a clear daily target in litres or ounces.
Try it nowSee how long it will take to reach your goal weight and the daily calories needed, based on your current weight, target, and chosen rate of change.

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It depends on the size of the gap and your weekly rate. A safe, sustainable rate is about 0.5–1% of bodyweight per week. The calculator estimates the timeline and the daily calorie target.
Roughly 0.25–1 kg (0.5–2 lb) per week. Faster loss risks muscle loss and is harder to sustain; slower loss is easier to maintain and protects performance.