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Cow Nutrition Calculators and Tools

These calculators work out what and how much to feed a cow: daily calories, portion sizes, feeding schedules, water needs and which foods to keep away from it. All 2 are free, quick and based on cow reference data.

Nutrition2 tools

All 2 cow nutrition tools

Cow Nutrition tools: what they help with

These calculators work out what and how much to feed a cow: daily calories, portion sizes, feeding schedules, water needs and which foods to keep away from it. Diet is the single biggest thing most owners control. Getting portions right prevents obesity and the many problems that come with it in a cow.

What to know about nutrition and feeding for cows

A typical adult cow weighs 400-900 kg. Cows are herbivores, which shapes what you feed and how much.

Cow quick facts

Reference values for cows from the species data behind this tool.
MeasureCow
Typical lifespan15–22 years
Adult weight882–1984 lb (400–900 kg)
DietHerbivore
Mature atAbout 2 years
Pregnancy279–287 days
Litter size1–1
Humidity40–70%

A practical tip

Weigh food rather than using a cup or scoop. Measuring by volume is one of the most common reasons pets are overfed.

Other cow topics

Most questions lead to another. You may also find these useful: cow age tools, cow behavior tools, cow breeding tools and cow cost tools. Or see every cow tool in one place.

Nutrition tools for other pets

The same kind of tool exists for other species, each using that animal's own reference data: horse nutrition, pony nutrition, donkey nutrition and goat nutrition.

Frequently asked questions

How much should I feed my cow?

It depends on body weight, age and activity. The cow food and calorie calculators give a daily starting amount, which you then adjust based on body condition.

How much should an adult cow weigh?

A typical adult cow weighs 400-900 kg, though frame and body condition matter as much as the number.

Which cow nutrition tool should I use first?

Most people start with the Cow Water Intake Calculator, the most used tool in this group. If your question is more specific, the list above describes what each of the 2 tools does.

How accurate are the results?

They are estimates based on published reference data for cows, and each tool lists its sources. Individual animals vary, so treat results as a guide and check health decisions with your vet.