How many calories are in water crackers?
One water cracker (3 g) has 12 calories. Per 3.5 oz (100 g): 384 calories.
Numbers are for the USDA entry Crackers, water. Other forms are compared below.
Calories in water crackers by size and measure
| Measure | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 cracker | 3 g | 12 calories | 0.21 g | 2.2 g | 0.21 g |
| 1 oz | 28 g | 109 calories | 2 g | 20.6 g | 2 g |
| 100 g | 3.5 oz | 384 calories | 7.1 g | 72.8 g | 7.1 g |
Weights are the household measures USDA lists for this exact food.
Where the calories come from
One water cracker (3 g) has:
- Protein: 0.21 g per serving, about 7% of calories
- Carbs: 2.2 g per serving, about 76% of calories
- Fat: 0.21 g per serving, about 17% of calories
Shares use 4 calories per gram of protein and carbs and 9 per gram of fat. USDA calculates total calories with factors specific to each food, so shares are approximate.
How water crackers compare with other snacks
Among the 30 snacks people look up most, water crackers rank 27th for calories per 3.5 oz (100 g) and 29th per typical serving.
| # | Food | Serving | Per serving | Per 100 g |
|---|---|---|---|---|
| 1 | Corn chips | 1 cup, 45 g | 241 calories | 535 calories |
| 2 | Potato chips | 1 cup, 25 g | 133 calories | 532 calories |
| 3 | Plantain chips | 1 cup, 38 g | 202 calories | 531 calories |
| … | ||||
| 24 | Popcorn | 1 oz, 28.3 g | 110 calories | 387 calories |
| 25 | Rice cakes | 1 cake, 9 g | 35 calories | 387 calories |
| 26 | Soy chips | 1 cup, 30 g | 116 calories | 385 calories |
| 27 | Water crackers | 1 cracker, 3 g | 12 calories | 384 calories |
| 28 | Breakfast bar | 1 oz, 28.3 g | 107 calories | 376 calories |
| 29 | Pretzel chips | 1 cup, 40 g | 150 calories | 375 calories |
| 30 | Rice paper | 1 medium paper, 15 g | 48 calories | 323 calories |
The list is the 30 snacks most asked about in US searches for protein, calories, carbs, sugar and fiber, each as one USDA entry with its usual serving. Rows in between are skipped (…).
Keep exploring
Sources
Nutrients and household measures: USDA FoodData Central, April 2026 release (accessed 2026-10-16)
- Crackers, water: Crackers, water, FDC ID 2708178 (FoodData Central survey (FNDDS) 2024-10-31)
Comparison foods:
- Corn chips: Corn chips, plain, FDC ID 2708196
- Potato chips: Potato chips, plain, FDC ID 2709422
- Plantain chips: Plantain chips, FDC ID 2709563
- Popcorn: Snacks, popcorn, air-popped, FDC ID 167959
- Rice cakes: Snacks, rice cakes, brown rice, plain, unsalted, FDC ID 170250
- Soy chips: Soy chips, FDC ID 2707434
- Breakfast bar: Breakfast bar, corn flake crust with fruit, FDC ID 167734
- Pretzel chips: Pretzel chips, hard, plain, FDC ID 2708256
- Rice paper: Rice paper, FDC ID 2708166
How we calculate: every amount is the USDA value per 3.5 oz (100 g) scaled to the gram weight USDA lists for that measure. 1 oz = 28.35 g and 1 lb = 453.6 g. A dash (—) means USDA reports no value. How we verify.