Dog calculators and guides

Fifty-odd dog tools, all interactive, all referenced to veterinary sources, none of them a blog post. Start with the calculator that matches your question; every result links to the next thing you will want to know.

48 tools and guides. All free, all interactive, results shareable, no sign-up. Sources on every page. Embed any calculator on your own site.

Age and lifespan

Dog Age Calculator: Dog Years to Human YearsConvert dog years to human years the way vets do it: size-adjusted aging charts by breed size.Dog Lifespan by Breed: How Long Do Dogs Live?How long do dogs live? About 11 to 12 years on average, 7 to 10 for giants, 12 to 16 for small breeds.

Emergencies and poisons

My Dog Ate... Is It Poisonous?Dog ate chocolate, grapes, onion, gum, ibuprofen, weed, a sock? Type it, get the urgency: go now, call the vet, or watch.Dog Chocolate Toxicity CalculatorDog ate chocolate? Enter weight, chocolate type and amount to see the toxicity level, symptoms to watch for and what to do next.My Dog Ate Grapes or Raisins. What Now?Dog ate grapes or raisins? No safe dose is known: one grape per 4.5 kg has caused kidney failure.My Dog Ate Onion or Garlic. How Much Is Dangerous?Dog ate onion or garlic? Toxic from about 5 g of onion per kg; garlic 3 to 5 times as potent, powders more.My Dog Ate Xylitol or Sugar-Free Gum. Emergency?Dog ate sugar-free gum or xylitol sweets? Blood sugar can crash in 30 minutes from 0.1 g/kg; liver failure from 0.5.My Dog Ate Macadamia Nuts. How Many Is Too Many?Dog ate macadamia nuts? Weakness, vomiting, tremor and fever within 12 hours from about one nut per kilo.My Dog Ate Ibuprofen. How Much Is Toxic?Dog ate ibuprofen? Stomach ulcers from about 10 to 25 mg/kg, kidney injury from 100, seizures above 400.My Dog Ate Tylenol or Paracetamol. Is It Toxic?Dog ate Tylenol or paracetamol? Liver damage above about 100 mg/kg, blood-oxygen failure above 200; cats have no safe dose.My Dog Ate Weed. Is It an Emergency?Dog ate weed, an edible or THC oil? Wobbly, dribbling and slow within 30 to 90 minutes.Benadryl Dosage Calculator for DogsBenadryl dosage calculator for dogs using the vet-standard 1 mg per pound rule.

Food and feeding

Can Dogs Eat That? Food Checker With PortionsCan dogs eat grapes, cheese, bananas, popcorn or eggs? Type the food, get the verdict (safe, treat, caution, never) and a portion for your dog's weight.Dog Food Calculator: Daily Calories & CupsHow much food does your dog need? Daily calories, cups and grams from weight, activity and neuter status, using the veterinary RER method.Puppy Feeding Chart & CalculatorHow much should your puppy eat? Daily calories, cups and meals per day from your puppy's weight and age, using the veterinary RER formula.

Puppies and breeding

Puppy Weight Calculator: Adult Size PredictorPuppy weight calculator adjusted for breed size.Dog Pregnancy Calculator: Due Date + TimelineDog pregnancy calculator: enter the mating date for the 63-day due date, a week by week timeline with real dates and labor warning signs.

Lifespan by breed

All 31 breed guides, each with a breed-preset age calculator and the health issues that decide the range. Full table on the 131-breed hub.

Other species

🐱 Cats 🦜 Birds 🐰 Small Pets 🦎 Reptiles & Fish