Nutrition & Restaurant Calorie Hub (Canada)
Eating well is the cornerstone of fitness and metabolic health. Our nutrition hub provides calculators and menu tracking tools to help you manage macronutrients (protein, fat, carbohydrates) and daily caloric targets. In addition to our clean-eating tools, we feature fast-food calculators to help you stay within your budget when dining at popular chains like McDonald's, Subway, and Starbucks.
Core Nutrition Tools
- Macro Calculator - Set carb, protein, and fat daily goals by diet style.
- Calorie Deficit Calculator - Build a sustainable caloric deficit based on target fat loss.
- Protein Calculator - Calculate required protein targets to protect muscle.
- Water Intake Calculator - Get customized hydration recommendations.
- McDonald's Nutrition Calculator - Customize fast food sandwiches and drinks for calorie counts.
- Subway Nutrition Calculator - Track custom sub bread, meats, and sauces.
- Starbucks Nutrition Calculator - Check drink calories, pump sugars, and milk choices.
Educational Guides
Scientific Citation & Outbound Authority: Nutritional biochemists examine the metabolic properties of macronutrients to guide public health standards. Learn more at Wikipedia's Nutrition Article.
Medically reviewed by Dr. Rekha Kumar, M.D., M.S. — 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 — 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.