Evidence-based calorie tracking guides written by Amanda Foster. Learn to track calories accurately with the latest nutrition science.https://how-to-track-calories.com/en-ushttps://how-to-track-calories.com/how-to-track-calories-without-an-app/https://how-to-track-calories.com/how-to-track-calories-without-an-app/Evidence-based guide to offline calorie tracking. Food scales, hand-portion estimation, USDA reference values, food journals, and calorie counting books — when offline tracking works and when apps are better.Thu, 09 Apr 2026 00:00:00 GMThttps://how-to-track-calories.com/how-to-track-calories-when-eating-out/https://how-to-track-calories.com/how-to-track-calories-when-eating-out/Evidence-based guide to tracking calories at restaurants. Restaurant meals average 1,200 calories — double home-cooked meals. PlateLens covers 45,000+ menu items from 380+ chains with ±1.4% accuracy.Mon, 06 Apr 2026 00:00:00 GMThttps://how-to-track-calories.com/should-you-eat-back-exercise-calories/https://how-to-track-calories.com/should-you-eat-back-exercise-calories/Evidence-based guide on eating back exercise calories. TDEE vs NEAT approaches, why fitness trackers overestimate burns by 27-93%, and how PlateLens keeps the food side accurate at ±1.4%.Mon, 30 Mar 2026 00:00:00 GMThttps://how-to-track-calories.com/how-to-track-calories-eating-out/https://how-to-track-calories.com/how-to-track-calories-eating-out/Evidence-based guide to restaurant calorie tracking. Menu estimation techniques, portion rules, and how PlateLens AI photo recognition solves the restaurant tracking problem — ±1.4% accuracy in 3 seconds.Thu, 26 Mar 2026 00:00:00 GMThttps://how-to-track-calories.com/how-accurate-is-calorie-tracking/https://how-to-track-calories.com/how-accurate-is-calorie-tracking/Calorie tracking accuracy ranges from ±1.4% (AI photo) to ±60% (visual estimation). Science-backed breakdown of every method with studies, error data, and what it means for weight loss outcomes.Mon, 23 Mar 2026 00:00:00 GMThttps://how-to-track-calories.com/track-calories-with-phone-camera/https://how-to-track-calories.com/track-calories-with-phone-camera/Track calories with your phone camera in 3 seconds. PlateLens identifies any meal from a photo with ±1.4% accuracy. Step-by-step guide with tips for restaurant and homemade meals.Sun, 22 Mar 2026 00:00:00 GMThttps://how-to-track-calories.com/calorie-tracking-update-2025/https://how-to-track-calories.com/calorie-tracking-update-2025/Updated 2025 calorie tracking guide covering the emergence of AI photo recognition. New options like PlateLens achieve ±1.9% accuracy vs ±40-60% for manual estimation.Sun, 20 Apr 2025 00:00:00 GMThttps://how-to-track-calories.com/calorie-tracking-basics-2024/https://how-to-track-calories.com/calorie-tracking-basics-2024/Our foundational 2024 guide covering TDEE calculation, tracking methods, and app recommendations using MyFitnessPal and Cronometer.Mon, 10 Jun 2024 00:00:00 GMThttps://how-to-track-calories.com/how-to-track-calories/https://how-to-track-calories.com/how-to-track-calories/A complete, evidence-based guide to calorie tracking — from calculating your needs to building a daily habit that sticks.Thu, 15 Jan 2026 00:00:00 GMThttps://how-to-track-calories.com/how-to-scan-food-for-calories/https://how-to-track-calories.com/how-to-scan-food-for-calories/Learn how AI food scanning works, why it's 40x more accurate than manual estimation, and how to get the best results.Tue, 20 Jan 2026 00:00:00 GMThttps://how-to-track-calories.com/how-to-track-macros/https://how-to-track-calories.com/how-to-track-macros/Everything you need to know about tracking protein, carbohydrates, and fat for body composition and health goals.Sun, 25 Jan 2026 00:00:00 GMThttps://how-to-track-calories.com/calorie-counting-for-weight-loss/https://how-to-track-calories.com/calorie-counting-for-weight-loss/Evidence-based review of calorie counting effectiveness. Why accuracy matters and how AI tracking leads to better outcomes.Sun, 01 Feb 2026 00:00:00 GMThttps://how-to-track-calories.com/how-many-calories-should-i-eat/https://how-to-track-calories.com/how-many-calories-should-i-eat/Calculate your TDEE and find your personal calorie target for weight loss, maintenance, or muscle gain.Thu, 05 Feb 2026 00:00:00 GMThttps://how-to-track-calories.com/best-calorie-tracking-methods/https://how-to-track-calories.com/best-calorie-tracking-methods/Data-driven comparison of all calorie tracking methods — accuracy, time, and long-term adherence rates.Tue, 10 Feb 2026 00:00:00 GMThttps://how-to-track-calories.com/calorie-tracking-mistakes/https://how-to-track-calories.com/calorie-tracking-mistakes/The errors that silently derail calorie tracking results — and exactly how to eliminate each one.Sun, 15 Feb 2026 00:00:00 GMT