Quick answer
For most dogs, a practical maintenance range is about 30 mg EPA+DHA per kg of body weight per day. A common therapeutic range for skin or inflammation support runs closer to 100 mg/kg/day. A 10-pound terrier and an 80-pound shepherd are having very different conversations with the same bottle, which is why weight leads this chart.
| Dog weight | Maintenance target | Therapeutic target |
|---|---|---|
| 10 lb (4.5 kg) | ~135 mg EPA+DHA/day | ~450 mg/day |
| 20 lb (9 kg) | ~270 mg/day | ~900 mg/day |
| 30 lb (13.6 kg) | ~410 mg/day | ~1,360 mg/day |
| 40 lb (18.1 kg) | ~540 mg/day | ~1,810 mg/day |
| 50 lb (22.7 kg) | ~680 mg/day | ~2,270 mg/day |
| 60 lb (27.2 kg) | ~820 mg/day | ~2,720 mg/day |
| 80 lb (36.3 kg) | ~1,090 mg/day | ~3,630 mg/day |
| 100 lb (45.4 kg) | ~1,360 mg/day | ~4,540 mg/day |
What this chart is good for
- Sanity-checking a label in about ten seconds.
- Seeing why “one pump for every dog” directions fall apart the moment you compare a chihuahua to a lab.
- Judging whether a bottle is a bargain or a two-week disappointment before you buy it.
What this chart can't tell you
- The EPA+DHA concentration of your exact product (that lives on your label).
- Whether your dog's history changes the picture; pancreatitis risk, bleeding disorders, and unusually high-dose plans belong in a vet conversation.
- Pumps or milliliters, until you know the label strength.
Best next step
Take your dog's weight and your bottle's label to the fish oil dosage calculator and it will turn this chart into exact mg, ml, and pump counts. If itching is the reason you are here, pair it with best fish oil for dogs with itchy skin.
Need exact dosing, not rough ranges?
Once there is a real label in front of you, the calculator is the better tool. Want the handout version too? Download the printable PDF.
Dog omega-3 dosage chart by weight
Waiting faithfully for your next visit — Club Hachiko