How Much Wet Food to Feed Your Dog

The right amount depends on your dog's weight, age, activity level, and the specific food's calorie content. This guide provides charts, formulas, and practical guidelines for feeding wet food accurately.

Daily Wet Food Feeding Chart

Based on a standard 13 oz can with approximately 400 kcal. Activity levels: Low = mostly indoor/sedentary, Moderate = 30 to 60 min daily exercise, High = working dogs or 60+ min vigorous exercise.

Dog WeightLow ActivityModerate ActivityHigh Activitykcal/Day (Moderate)
10 lbs0.5 cans0.7 cans0.9 cans280
20 lbs0.8 cans1.1 cans1.4 cans450
30 lbs1.1 cans1.5 cans1.9 cans600
40 lbs1.3 cans1.8 cans2.3 cans740
50 lbs1.6 cans2.1 cans2.6 cans860
60 lbs1.8 cans2.3 cans3.0 cans970
70 lbs2.0 cans2.6 cans3.3 cans1065
80 lbs2.2 cans2.9 cans3.6 cans1160
100 lbs2.6 cans3.4 cans4.3 cans1380

How to Calculate from the Label

The feeding chart above uses an average of 400 kcal per can. Your specific food may be higher or lower. Here is how to calculate the exact amount for any brand.

Step-by-Step Calculation

Step 1: Find your dog's daily calorie need

Formula: 70 x (weight in kg)^0.75 x activity factor

Activity factors: 1.2 (low), 1.6 (moderate), 2.0 (high). To convert lbs to kg, divide by 2.205.

Step 2: Find calories per can on the label

Look for “Calorie Content” on the label, listed as kcal per can or kcal per kg. If only kcal/kg is given, multiply by the can weight in kg.

Step 3: Divide daily need by calories per can

This gives you the number of cans per day. Split across 2 meals for adults.

Worked Example: 30 lb Moderately Active Dog

Weight in kg30 / 2.205 = 13.6 kg
RER (resting energy)70 x 13.6^0.75 = 495 kcal
MER (x 1.6 activity)495 x 1.6 = 593 kcal/day
Food: Purina Pro Plan (425 kcal/can)593 / 425 = 1.4 cans/day
Portion per meal (2 meals)0.7 cans per meal

Feeding Frequency by Life Stage

Life StageMeals per DayReason
Puppies (8 to 16 weeks)3 to 4 per dayPrevents hypoglycaemia, supports rapid growth
Puppies (4 to 12 months)3 per daySupports growth while developing regular schedule
Adults (1 to 6 years)2 per dayStandard for most breeds; morning and evening
Seniors (7+ years)2 to 3 per daySmaller, more frequent meals aid digestion
Toy breeds (any age)3 to 4 per dayPrevents blood sugar drops in very small dogs

Adjusting Portions and Storage

Signs you are feeding too much

  • Gradual weight gain over weeks
  • Consistently loose or soft stools
  • Regularly leaving food in the bowl
  • Decreased energy or willingness to exercise

Signs you are feeding too little

  • Visible ribs, spine, or hip bones
  • Constant begging or scavenging behaviour
  • Low energy, reluctance to play
  • Dull coat or dry skin

Storage Guidelines

Unopened cansCheck best-by date; typically 2 to 5 years from manufacture
Opened cans (refrigerated)2 to 3 days in sealed container at 40F or below
Room temperature (served)2 hours max, then discard
Freezing leftover portionsUp to 3 months; thaw in fridge overnight

Special Circumstances

Some situations require adjusted feeding beyond standard guidelines. In all of the following cases, consult your veterinarian for specific recommendations:

Pregnant dogs

Calorie needs increase by 25 to 50% during late pregnancy. High-quality, calorie-dense wet food helps meet increased demands without excessive food volume.

Nursing dogs

Nursing mothers may need 2 to 3 times their normal calorie intake depending on litter size. Feed high-protein, high-fat wet food or puppy formula during lactation.

Post-surgery recovery

Dogs recovering from surgery often have reduced appetite. Wet food's strong aroma and palatability can encourage eating. Your vet may recommend specific calorie targets.

Chronic illness

Dogs with kidney disease, diabetes, cancer, or other chronic conditions may need therapeutic diets. Never adjust diet without veterinary guidance in these cases.