LabelCalc is a comprehensive, web-based nutrition analysis and labeling platform designed to help food manufacturers, startups, and culinary professionals create FDA-compliant nutrition facts labels with ease. Trusted by companies of all sizes, LabelCalc has generated over 30,000 labels, assisting businesses in bringing their products to market efficiently and accurately. The platform operates entirely online, eliminating the need for software installation and allowing users to access their accounts from any device. Its intuitive interface, developed by registered dietitians, ensures that users can navigate the system effortlessly, regardless of their technical expertise. LabelCalc utilizes a robust database of over 200,000 USDA-compiled, lab-tested ingredients, enabling precise nutritional analysis based on recipe inputs. Users can also add proprietary or custom ingredients to tailor the analysis to their specific products. Creating a nutrition label with LabelCalc involves four straightforward steps: entering the recipe and matching ingredients to the database, determining serving sizes with the assistance of built-in tools, reviewing automatically flagged allergens, and downloading the finalized, FDA-compliant label in various formats such as JPEG, TIFF, or BMP. The platform supports multiple FDA-approved label layouts, including standard, linear, tabular, and dual-column formats, accommodating diverse packaging requirements. LabelCalc offers additional features to streamline the labeling process, such as the ability to save recipes as "preps" for reuse, duplicate existing recipes to create variations, and allow multiple users to collaborate on recipe development. All data is securely stored with daily backups, ensuring confidentiality and data integrity. The platform also provides tools for nutrient comparison, enabling users to assess how each ingredient contributes to the overall nutritional profile of a product. With its user-friendly design, extensive ingredient database, and commitment to regulatory compliance, LabelCalc stands out as a valuable tool for food industry professionals aiming to produce accurate and compliant nutrition labels efficiently.