Nutrition & Diet Category Calculators
Access our complete collection of macronutrient counters, deficit planners, specific diet calculators, restaurant tools, and custom meal estimators.
๐ Daily Macronutrients & Caloric Deficits
Target carbohydrate, protein, and dietary fat gram targets.
Daily calorie deficit calculation for steady weekly fat reduction.
Optimal daily protein grams for muscle retention.
Maintenance, surplus, and cutting calorie intake levels.
Total Daily Energy Expenditure with activity multipliers.
Basal Metabolic Rate resting caloric burn.
Custom daily hydration recommendations.
Convert macro grams into calories & kilojoules.
๐ฅ Diet Protocols & Body Recomposition
High-fat, low-carb macros to maintain ketosis.
Zero-carb meat & animal fat macro distributions.
16:8, 18:6, and OMAD eating schedule distribution.
Build lean muscle while dropping fat mass.
Calorie deficit adjustments for insulin sensitivity.
Adipose reduction versus lean tissue retention.
๐ Restaurants & Custom Meals
Medically reviewed by Dr. Rekha Kumar, M.D., M.S. โ Lead Medical Reviewer · Last reviewed: September 2026 · Updated: 2026-09-15
Evidence & references
This tool is for informational purposes only and is not a substitute for professional medical advice.
Frequently asked questions
Is this calculator free to use?
Yes. Every calculator on Weight Loss Percentage is free, with no sign-up or account required.
How accurate is the result?
Results depend on the accuracy of what you enter and the published formulas the tool uses, which follow standard guidance from national health authorities. Track the trend over weeks rather than relying on a single reading.
How often should I check it?
Check whenever your weight, activity or goals change โ for most people once a week is enough to see a reliable trend.
Who reviews the content on this site?
All medical and nutrition content is written and reviewed by Dr. Rekha Kumar, M.D., M.S., our lead medical reviewer, and cites guidance from U.S. federal health sources such as the CDC and NIH.