Fish Oil Dosage Calculator for Cats

How to Calculate Fish Oil Dosage for Cats

This calculator determines a safe fish oil dose for cats based on weight, using these formulas:

Daily Dose (mg of EPA + DHA):

\[ \text{Daily Dose (mg)} = \text{Weight (kg)} \times \text{Dose Base (mg/kg/day)} \]

Volume (mL, Liquid):

\[ \text{Volume (mL)} = \frac{\text{Daily Dose (mg)}}{\text{Strength (mg/mL of EPA + DHA)}} \]

Where:

\( \text{Weight} \): Cat’s weight in kilograms (kg), pounds (lb), or ounces (oz, converted to kg)
\( \text{Dose Base} \): mg/kg/day (e.g., 30–50 for general health, 112 for therapeutic, or custom)
\( \text{Strength} \): Liquid concentration of EPA + DHA in mg/mL (e.g., 300 mg/mL for 180 mg EPA + 120 mg DHA/mL)

Dose is given once daily. Use vet-approved, cat-specific fish oil supplements to avoid vitamin A/D toxicity or toxin exposure.

Using the Fish Oil Dosage Calculator for Cats

This tool estimates a fish oil dose for cats to support general health, skin/coat, joints, or therapeutic needs (e.g., chronic kidney disease). Input the cat’s weight (kg, lb, or oz), select the purpose (general, therapeutic, or custom), specify a custom dose if applicable, and choose the form and strength. Results show the daily dose in mg (EPA + DHA) and mL, with dosing rules based on the purpose.

Example: 5 kg cat, General Health, Liquid (180 mg EPA + 120 mg DHA/mL):

Once daily:
Amount per dose:
In milligrams (EPA + DHA): 200 mg
In Liquid (180 mg EPA + 120 mg DHA/mL): 0.7 mL
Daily dosage:
In milligrams (EPA + DHA): 200 mg
Dosing rules: 40 mg/kg/day (EPA + DHA) for General Health

Consult a veterinarian before administering to ensure it’s safe and appropriate for your cat’s diet and health conditions.

Frequently Asked Questions (FAQ)

1. What is fish oil used for in cats?

Fish oil, rich in omega-3 fatty acids (EPA and DHA), supports cat health by reducing inflammation, improving skin and coat, aiding joint health, and benefiting heart, kidney, and immune function, especially for conditions like chronic kidney disease or arthritis.

2. How often should I give my cat fish oil?

It’s typically given once daily, but consult your vet for the best frequency based on your cat’s health, diet, and condition, ensuring it doesn’t overlap with existing omega-3s in food.

3. Can I use human fish oil for my cat?

No, human fish oil supplements may contain additives, vitamins A/D, or concentrations unsuitable for cats. Use vet-recommended, cat-specific products to avoid toxicity or imbalance.

4. What’s the difference between liquid and capsule fish oil?

Liquid fish oil (e.g., 180 mg EPA + 120 mg DHA/mL) allows precise dosing for cats, while capsules may contain inappropriate forms or doses. Liquid is easier to mix into food for cats unable to swallow pills.

5. How do I adjust if my fish oil strength differs?

Divide the mg dose by your liquid’s mg/mL concentration of EPA + DHA (e.g., for 300 mg/mL, 200 mg = 0.7 mL). Check the label for exact EPA + DHA amounts.

6. How long does it take to see benefits from fish oil?

Benefits like improved coat or reduced inflammation may take 2–12 weeks, depending on the cat’s condition and consistency of supplementation, but consult your vet for monitoring.