Home Back

Osu Calorie Calculator

Ohio State University Vet Calorie Formula:

\[ DER = 70 \times (Body\ Weight\ in\ kg)^{0.75} \times Factor \]

kg

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the OSU Calorie Formula?

The Ohio State University Veterinary Calorie Formula calculates Daily Energy Requirements (DER) for animals based on body weight and activity level. It's widely used in veterinary medicine to determine appropriate calorie intake for optimal health.

2. How Does the Calculator Work?

The calculator uses the OSU formula:

\[ DER = 70 \times (Body\ Weight\ in\ kg)^{0.75} \times Factor \]

Where:

Explanation: The formula accounts for metabolic scaling using the 0.75 power law, which reflects how metabolic rate scales with body size across species.

3. Importance of DER Calculation

Details: Accurate calorie calculation is essential for maintaining optimal body condition, supporting growth, and preventing obesity or malnutrition in animals.

4. Using the Calculator

Tips: Enter body weight in kilograms and select the appropriate activity factor based on the animal's lifestyle and exercise level.

5. Frequently Asked Questions (FAQ)

Q1: What animals is this formula suitable for?
A: Primarily designed for dogs and cats, but can be adapted for other mammalian species with appropriate adjustments.

Q2: How do I determine the correct activity factor?
A: Consider the animal's daily exercise routine, age, and overall activity level. Sedentary pets need lower factors than highly active working animals.

Q3: Should this be used for weight loss programs?
A: For weight management, consult with a veterinarian who may adjust the calculated DER based on specific health needs and weight goals.

Q4: Are there limitations to this formula?
A: May need adjustment for very young, very old, pregnant, or lactating animals, and those with specific medical conditions.

Q5: How often should I recalculate DER?
A: Recalculate whenever the animal's weight changes significantly or if there are changes in activity level or life stage.

Osu Calorie Calculator© - All Rights Reserved 2025