Ever wonder how your favorite foods stack up against each other in terms of nutrition? 
                    We compared the nutritional contents of 
          
                                        filet o fish
                              versus
                                                        cooked
                            chicken
                                      
                      (100g each)
                    below using 2020 USDA and NIH data[1]. 
        
For a quick recap of significant nutrients and differences in filet o fish and chicken:
Both filet o fish and chicken are high in calories. Filet o fish has 49% more calories than chicken - filet o fish has 282 calories per 100 grams and chicken has 189 calories. 
For macronutrient ratios, filet o fish is much lighter in protein, much heavier in carbs and lighter in fat compared to chicken per calorie.  Filet o fish has a macronutrient ratio of 16:37:47 and for chicken, 49:0:51 for protein, carbohydrates and fat from calories.
Macro Ratios from Calories:
| Filet O Fish | Chicken | |
|---|---|---|
| Protein | 16% | 49% | 
| Carbohydrates | 37% | ~ | 
| Fat | 47% | 51% | 
| Alcohol | ~ | ~ | 
Chicken has signficantly less carbohydrates than filet o fish - filet o fish has 26.4g of total carbs per 100 grams and chicken does not contain significant amounts. 
Filet o fish has more dietary fiber than chicken - filet o fish has 1.4g of dietary fiber per 100 grams and chicken does not contain significant amounts.
Chicken has less sugar than filet o fish - filet o fish has 3.7g of sugar per 100 grams and chicken does not contain significant amounts.
Both filet o fish and chicken are high in protein. Chicken has 107% more protein than filet o fish - filet o fish has 11.3g of protein per 100 grams and chicken has 23.3g of protein.
Filet o fish and chicken contain similar amounts of saturated fat - filet o fish has 2.8g of saturated fat per 100 grams and chicken has 3.1g of saturated fat.
Both filet o fish and chicken are low in trans fat - filet o fish has 0.13g of trans fat per 100 grams and chicken has 0.09g of trans fat.
Filet o fish has 70% less cholesterol than chicken - filet o fish has 32mg of cholesterol per 100 grams and chicken has 107mg of cholesterol.
Filet o fish and chicken contain similar amounts of Vitamin C - filet o fish has 0.3mg of Vitamin C per 100 grams and chicken does not contain significant amounts.
Filet o fish and chicken contain similar amounts of Vitamin E - filet o fish has 1.2mg of Vitamin E per 100 grams and chicken has 0.39mg of Vitamin E.
Filet o fish and chicken contain similar amounts of Vitamin K - filet o fish has 4.9ug of Vitamin K per 100 grams and chicken has 2.1ug of Vitamin K.
Chicken has more riboflavin, niacin, pantothenic acid and Vitamin B6, however, filet o fish contains more folate and Vitamin B12. Both filet o fish and chicken contain significant amounts of thiamin.
| Filet O Fish | Chicken | |
|---|---|---|
| Thiamin | 0.211 MG | 0.121 MG | 
| Riboflavin | 0.13 MG | 0.302 MG | 
| Niacin | 2.22 MG | 7.107 MG | 
| Pantothenic acid | ~ | 1.327 MG | 
| Vitamin B6 | ~ | 0.538 MG | 
| Folate | 21 UG | 2 UG | 
| Vitamin B12 | 1.08 UG | 0.51 UG | 
Filet o fish is an excellent source of calcium and it has 14 times more calcium than chicken - filet o fish has 120mg of calcium per 100 grams and chicken has 8mg of calcium.
Filet o fish has 68% more iron than chicken - filet o fish has 1.6mg of iron per 100 grams and chicken has 0.93mg of iron.
Both filet o fish and chicken are high in potassium. Chicken has 208% more potassium than filet o fish - filet o fish has 220mg of potassium per 100 grams and chicken has 677mg of potassium.
For omega-3 fatty acids, filet o fish has more alpha linoleic acid (ALA) and epa than chicken per 100 grams, however, chicken contains more dpa than filet o fish per 100 grams. Both filet o fish and chicken contain significant amounts of DHA.
| Filet O Fish | Chicken | |
|---|---|---|
| alpha linoleic acid | 0.639 G | 0.1 G | 
| DHA | 0.061 G | 0.031 G | 
| EPA | 0.03 G | 0.008 G | 
| DPA | 0.005 G | 0.016 G | 
| Total | 0.735 G | 0.155 G | 
Comparing omega-6 fatty acids, filet o fish has more linoleic acid than chicken per 100 grams.
| Filet O Fish | Chicken | |
|---|---|---|
| other omega 6 | 0.024 G | 0.02 G | 
| linoleic acid | 5.187 G | 1.818 G | 
| Total | 5.211 G | 1.838 G | 
        
        The comparison below is by common portions, e.g. cups, packages. You can also see a more concrete comparison by weight at equal weight (by grams) comparison.
      
Note: The specific food items compared are: Filet O Fish (McDONALD'S, FILET-O-FISH) and Chicken (Chicken, ground, crumbles, cooked, pan-browned) .
                    Filet O Fish g
                                
                                ()
                               
                             | 
                                      Daily Values (%) | 
                    Cooked Chicken g
                                
                                ()
                               
                             | 
                                                |||||
|---|---|---|---|---|---|---|---|
| KCAL % | 
                                 | 
                            5% | calories | 5% | 
                                 | 
                                                    KCAL % | |
| G % | 
                                 | 
                            5% | carbohydrates | 5% | 
                                 | 
                                                    G % | |
| G % | 
                                 | 
                            5% | dietary fiber | 5% | 
                                 | 
                                                    G % | |
| G | 5% | sugar | 5% | G | |||
| G % | 
                                 | 
                            5% | total fat | 5% | 
                                 | 
                                                    G % | |
| G % | 
                                 | 
                            5% | saturated fat | 5% | 
                                 | 
                                                    G % | |
| G | 5% | monounsaturated fat | 5% | G | |||
| G | 5% | polyunsaturated fat | 5% | G | |||
| G | 5% | trans fat | 5% | G | |||
| MG | 5% | cholesterol | 5% | MG | |||
| MG % | 
                                 | 
                            5% | sodium | 5% | 
                                 | 
                                                    MG % | |
| 5% | Vitamins and Minerals | 5% | |||||
| UG % | 
                                 | 
                            5% | Vitamin A | 5% | 
                                 | 
                                                    UG % | |
| MG % | 
                                 | 
                            5% | Vitamin C | 5% | 
                                 | 
                                                    MG % | |
| IU % | 
                                 | 
                            5% | Vitamin D | 5% | 
                                 | 
                                                    IU % | |
| MG % | 
                                 | 
                            5% | calcium | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | iron | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | magnesium | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | potassium | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | thiamin (Vit B1) | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | riboflavin (Vit B2) | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | niacin (Vit B3) | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | Vitamin B6 | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | pantothenic acid (Vit B5) | 5% | 
                                 | 
                                                    MG % | |
| UG % | 
                                 | 
                            5% | folate (Vit B9) | 5% | 
                                 | 
                                                    UG % | |
| UG % | 
                                 | 
                            5% | Vitamin B12 | 5% | 
                                 | 
                                                    UG % | |
| MG % | 
                                 | 
                            5% | Vitamin E | 5% | 
                                 | 
                                                    MG % | |
| UG % | 
                                 | 
                            5% | Vitamin K | 5% | 
                                 | 
                                                    UG % | |
| G % | 
                                 | 
                            5% | protein | 5% | 
                                 | 
                                                    G % | |
| UG % | 
                                 | 
                            5% | biotin (Vit B7) | 5% | 
                                 | 
                                                    UG % | |
| MG % | 
                                 | 
                            5% | choline | 5% | 
                                 | 
                                                    MG % | |
| MG % | 
                                 | 
                            5% | chlorine | 5% | 
                                 | 
                                                    MG % | |
| UG % | 
                                 | 
                            5% | chromium | 5% | 
                                 | 
                                                    UG % | |
| MG % | 
                                 | 
                            5% | copper | 5% | 
                                 | 
                                                    MG % | |
| UG % | 
                                 | 
                            5% | fluoride | 5% | 
                                 | 
                                                    UG % | |
| UG % | 
                                 | 
                            5% | iodine | 5% | 
                                 | 
                                                    UG % | |
| MG % | 
                                 | 
                            5% | manganese | 5% | 
                                 | 
                                                    MG % | |
| UG % | 
                                 | 
                            5% | molybdenum | 5% | 
                                 | 
                                                    UG % | |
| MG % | 
                                 | 
                            5% | phosphorus | 5% | 
                                 | 
                                                    MG % | |
| UG % | 
                                 | 
                            5% | selenium | 5% | 
                                 | 
                                                    UG % | |
| MG % | 
                                 | 
                            5% | zinc | 5% | 
                                 | 
                                                    MG % | |
| G | 5% | Water | 5% | G | |||
| G | 5% | Starch | 5% | G | |||
| G | 5% | Alcohol | 5% | G | |||