# xMacros > Fast food macro and nutrition calculators for Subway, McDonald's, Domino's, and Guzman y Gomez. xMacros provides free nutrition calculators that let you build custom fast food orders and see accurate calorie, protein, carb, and fat information sourced from official restaurant data. ## Calculators - [Subway Nutrition Calculator](https://subwaymacros.com): Build custom subs with Australian, US, UK, and Canadian menu data - [McDonald's Nutrition Calculator](https://mcdonaldsmacros.com): Calculate macros for McDonald's menu items - [Domino's Nutrition Calculator](https://dominosmacros.com): Pizza and sides nutrition calculator - [Guzman y Gomez Calculator](https://gygmacros.com): GYG burrito and bowl macro calculator ## Features - Build orders exactly how you'd get them in store - Real-time macro calculation as you customize - Official nutrition data from restaurant sources - No sign up required - Works on any device ## Use Cases - IIFYM (If It Fits Your Macros) tracking - Calorie counting and weight management - Bodybuilding meal planning - Making informed fast food choices - Comparing nutrition across menu items ## Contact - Website: https://xmacros.com - Feedback: https://subwaymacros.userjot.com