The Fish Toolbox
Free USDA-backed calculators, comparisons, and planners for seafood nutrition.
Precision Calculators
Data-backed tools for precise nutritional tracking.
Fish Nutrition Calculator
Log calories, protein, and minerals by custom serving size and cooking method with USDA data.
Fish Calories Calculator
Log calories by species, serving size, and cooking method with USDA-backed data.
Fish Portion Calculator
Log and estimate fish quantities for meals, parties, and meal prep by guest count and serving type.
Fish Cooking Yield Calculator
Convert raw to cooked fish weight by species and cooking method. Bidirectional with method comparison.
Fish Smoking Calculator
Estimate hot-smoke time, chamber temperature, internal doneness, and cooked weight for 30+ species.
Fish Cooking Time Calculator
Estimate cooking time and temperature for 14 methods — grill, bake, steam, air fry, smoke, and more.
Omega-3 Logger
Compare EPA/DHA across 30 species and log your daily omega-3 totals against a personal target.
Research & Comparison
Compare species and find the best fish for your health goals.
Side-by-Side Comparison
Directly compare two fish species to see which one has more protein or lower mercury.
Comparison Matrix
A powerful spreadsheet-view of our entire 30+ fish database for advanced research.
Fish vs Chicken Comparison
Interactive tool comparing fish and chicken nutrition side-by-side with health goal recommendations.
Fish vs Meat Comparison
Compare fish with beef, pork, lamb, and game — protein, omega-3, iron, and 20+ nutrients.
Fish vs Shrimp Comparison
Compare finfish with shrimp or prawns — calories, protein, omega-3, and nutrients for personal logging.
Smart Utilities
Intelligent tools to simplify your seafood journey.
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