BMI Calculator
Check your body mass index using feet, inches and pounds, and learn what the number can and can't tell you.
Weight loss · Fat loss · Healthy eating
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Discover practical weight-loss guidance, healthy recipes, calorie calculators, and sustainable habits to help you build a healthier lifestyle.
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Free tools
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Popular calculators
Quick, private estimates that run right in your browser. Nothing you enter is stored or sent anywhere.
Calorie Calculator
Estimate the calories your body uses each day based on your age, height, weight and activity level.
Ideal Weight Calculator
See the weight range linked to a healthy BMI for your height, plus common reference formulas.
Water Intake Calculator
Get a general daily hydration estimate based on your weight, exercise and climate.
Learn the essentials
Weight-loss guides
Clear, evidence-informed explanations of how weight loss works, without extreme diets or quick-fix promises.
The Healthy Weight Loss Guide
Calorie balance, realistic goals, food quality, movement, sleep and how to make changes that last.
The Fat Loss Guide
How to lose fat while protecting muscle with protein, strength training and a sensible calorie deficit.
How to Lose Belly Fat
Why abdominal fat matters for health, why spot reduction doesn't work, and what actually helps.
Plan your week
See all meal plans
Healthy meal plans
Simple frameworks and sample days you can adapt to your tastes, schedule and budget.
Build a balanced plate
Use the plate method to put together satisfying meals without counting every calorie.
Three sample days of eating
Breakfast, lunch, dinner and snack ideas built around protein, fiber and vegetables.
Meal prep made simple
A weekly routine and grocery list that make healthy choices easier on busy days.
Cook something good
Browse all recipes
Healthy recipes
Satisfying, protein-forward recipes made with familiar ingredients and US measurements.
Berry Overnight Oats
A make-ahead breakfast with oats, Greek yogurt, chia and berries.
Sheet-Pan Lemon Salmon
Salmon and asparagus roasted together on one pan in about 20 minutes.
Turkey & Bean Chili
A hearty, high-fiber chili that makes great leftovers for the week.
Our content standards
Careful, honest, evidence-informed
We want you to be able to trust what you read here, so we're transparent about how our content is made.
- Grounded in public health guidance. We base our content on sources such as the Dietary Guidelines for Americans and U.S. public health agencies.
- No miracle claims. We don't promote extreme diets, detoxes or guaranteed results.
- Clear about review. When an article has been reviewed by a credentialed professional, we'll name the reviewer and their credentials on the page.
- Kept up to date. We review articles regularly and correct errors promptly.
From the blog
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Latest articles
How Protein Supports Healthy Weight Loss
Why protein helps you feel full, protects muscle while you lose weight, and how to build it into everyday meals.
Hit a Weight-Loss Plateau? Here's What's Happening
Plateaus are a normal part of weight loss. Learn why they happen and practical ways to move forward.
How Sleep Affects Your Appetite and Weight
Short sleep can make healthy choices harder. Here's what the connection looks like and how to sleep better.
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Have a question about our guides, calculators or recipes, or a suggestion for something we should cover? Reach out to the FIT and Well Living team.
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