What is a safe deficit?

A deficit of 500-750 calories per day is generally considered safe and sustainable, leading to 0.5-0.75kg loss per week.

How many calories are in 1kg of fat?

Approximately 7,700 calories are stored in 1kg of body fat.

Should I eat below BMR?

Generally, no. Eating below your Basal Metabolic Rate can slow down metabolism and lead to nutrient deficiencies.

Calorie Deficit Planner

Plan your weight loss journey. Calculate the daily calorie deficit needed to reach your goal weight in a specific time.

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Disclaimer: This tool provides estimates for informational and educational purposes only. It does not constitute professional financial, medical, or legal advice. Please consult with a qualified professional before making any significant decisions based on these estimations.

Common Use Cases

general awareness and educational estimates
wellness planning alongside professional guidance
tracking simple ranges over time

What is Calorie Deficit Planner?

The Calorie Deficit Planner works backward from your weight loss goal. Instead of just telling you generic calorie needs, it calculates exactly how large a daily caloric deficit you need to maintain to hit a specific weight target by a specific date. It warns you if the calculated deficit is potentially unsafe.

How to Use This Tool

1Enter your current weight and goal weight
2Enter your desired timeframe (days)
3View the required daily calorie deficit

Example

Input

Lose 5kg in 30 days

Output

Deficit: -1283 kcal/day

Before You Rely on This Result

UtilityNest keeps tools in this category focused on transparency: short instructions, a worked example, and plain-language guidance so you can review the result before you depend on it.

Check that the inputs reflect your real situation before you rely on the estimate.
Rules, rates, health needs, and legal requirements may vary by country, state, insurer, or provider.
Use this result as a starting point, then confirm important decisions with official sources or a qualified professional.

Frequently Asked Questions

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