Free dog calculators and tools
85 calculators, charts, checkers and quizzes for every stage of your dog's life: age, weight, food, health, gear sizes and more. No signup, results update as you type, and every page explains how the answer is worked out.
Age & life
Growth & weight
- Puppy weight calculatorEnter your puppy's weight and age to estimate its adult weight, with the range most puppies like it end up in.Open tool
- Puppy growth chartPick a breed or expected adult weight to see typical puppy weights month by month, with the normal range.Open tool
- Body condition score checkerAnswer four hands-on checks (ribs, waist, belly, tail base) to get your dog's 1-9 body condition score and body fat.Open tool
- Ideal weight calculatorEnter your dog's weight and body condition score to get its ideal weight and how much to lose or gain.Open tool
- Dog weight loss calculatorEnter weight and body condition score or a target to get daily calories, a safe weekly pace and how many weeks it takes.Open tool
- Dog weight gain calculatorEnter an underweight dog's weight and body condition score to get a target, daily calories and a slow refeeding plan if needed.Open tool
- Dog BMI calculatorEnter weight and one body-length measurement to get your dog's canine body mass index, and what it can and can't tell you.Open tool
- Dog weight chart by breedLook up any breed's standard weight and height for males and females, and see how your dog compares.Open tool
- Dog size chartEnter an adult weight or pick a breed to see if it is toy, small, medium, large or giant, and how other size labels compare.Open tool
- Puppy weight trackerLog your puppy's weigh-ins to see them on a growth chart with the normal range, get weigh-in reminders and export a CSV.Open tool
Food & nutrition
- Dog calorie calculatorEnter weight, life stage and activity to get daily calories, a per-meal split, a treat budget and cups per day.Open tool
- Dog food bag calculatorEnter bag size and how much your dog eats to see how many days the bag lasts, the run-out date and cost per day.Open tool
- Dog feeding calculatorEnter weight, life stage, activity and your food's calories to get how many cups or grams to feed per day and per meal.Open tool
- Puppy feeding chartEnter your puppy's age, weight and expected adult size to get meals per day, cups or calories per day and a sample feeding timetable.Open tool
- Raw dog food calculatorEnter your dog's weight and a percentage or your raw food's calories to get daily grams, split into muscle meat, bone, liver and organ.Open tool
- Homemade dog food calculatorEnter your dog's calorie needs and your recipe's ingredients to get grams or ounces per day and per meal, and how long a batch lasts.Open tool
- Wet and dry food mix calculatorChoose how much of your dog's diet should be wet food and add both labels' calories to get cans and cups per day and per meal.Open tool
- Dog water intake calculatorEnter your dog's weight to see how much water it should drink a day, and check a measured amount against the vet line for drinking too much.Open tool
- Dog food cost comparisonEnter the price, bag size and calories of up to three foods to compare their cost per 1,000 kcal and per day, month and year for your dog.Open tool
- Food transition schedulePick a start date and plan length and enter how much your dog eats to get a dated day-by-day plan of old and new food per meal.Open tool
- Dog treat calculatorEnter your dog's weight and activity to get its daily treat calorie budget and how many carrots, chews or packaged treats fit in it.Open tool
- Dry matter basis calculatorCopy the guaranteed analysis from one or two labels to see protein, fat and fiber on a dry matter basis and compare wet and dry food fairly.Open tool
- Dog food cups to gramsConvert cups of dry dog food to grams, or grams to cups, for your exact kibble using the calories on the bag or one cup on a scale.Open tool
Poisoning & medicine
- Chocolate toxicity calculatorEnter your dog's weight and what kind of chocolate it ate to see the theobromine dose and how serious it is.Open tool
- Grape and raisin toxicity checkerEnter your dog's weight and how many grapes or raisins it ate to see what to do now and how the amount compares with the published risk marker.Open tool
- Xylitol toxicity calculatorEnter your dog's weight and how much sugar-free gum, sweetener or other xylitol product it ate to see the dose in mg/kg and what to do now.Open tool
- Onion and garlic toxicity calculatorEnter your dog's weight and how much raw, cooked or powdered onion or garlic it ate to see the dose in g/kg and what to do.Open tool
- Ibuprofen and painkiller toxicity calculatorEnter your dog's weight and how many ibuprofen, naproxen, acetaminophen or aspirin tablets it swallowed to see the dose in mg/kg and what to do.Open tool
- Benadryl dosage calculatorEnter your dog's weight and your Benadryl product to see the diphenhydramine range vets commonly use, in tablets or mL, and who shouldn't have it.Open tool
- Dog medicine dose calculatorPick Benadryl, Zyrtec, Claritin or Pepcid and enter your dog's weight to see the dose range vets commonly use, in mg and tablets, to confirm with your vet.Open tool
- Hydrogen peroxide dose calculatorEnter your dog's weight to see the 3% hydrogen peroxide dose for making it vomit, with the 45 mL cap and when never to try it. Only on a vet's advice.Open tool
- Is it toxic to dogs? checkerSearch common foods, plants, medicines and household items to see the risk level, main signs and what to do, with poison hotline numbers.Open tool
Health
- Dog temperature checkerEnter your dog's temperature in °F or °C to see whether it's normal, a fever or an emergency, and what to do next.Open tool
- Heart and breathing rate checkerCount breaths or heartbeats with a tap timer to get your dog's rate per minute and whether it's normal for its size.Open tool
- Vaccination schedule generatorEnter your puppy's birth date and lifestyle to get every vaccine visit with dates, plus boosters, following AAHA guidelines.Open tool
- Dog symptom checkerTick the signs you can see to find out whether your dog needs a vet now, within 24 hours, or can be watched at home.Open tool
- Pet insurance calculatorEnter a quote's premium, deductible, reimbursement and limit to see the break-even vet bill and your costs with and without cover.Open tool
- Puppy deworming scheduleEnter your puppy's birth date to get dated dewormings, the start of heartworm and flea prevention, and fecal and heartworm tests.Open tool
- Vet cost calculatorPick your dog's life stage to list every routine vet service at the recommended frequency, then add your clinic's prices for a yearly budget.Open tool
- Spay and neuter age calculatorPick your dog's breed or adult weight and sex to see the neutering age the UC Davis breed study suggests, alongside AAHA's guidance.Open tool
- Senior dog health checklistEnter your dog's size or breed and age to see when it becomes a senior, then tick off AAHA's senior care checklist, saved as you go.Open tool
Pregnancy & breeding
- Dog due date calculatorEnter the mating, LH surge or ovulation date to get your dog's whelping window and a dated whelping calendar.Open tool
- Dog pregnancy week by weekEnter the mating date to see which week of pregnancy your dog is in, how the puppies are developing and what to do now.Open tool
- Heat cycle calculatorEnter the first day of your dog's last heat to see when the next one is due, each stage's dates and her most fertile days.Open tool
- Coat color genetics calculatorPick each parent's genotype at the E, K, A, B, D and M loci to see the odds of every puppy coat color, with merle warnings.Open tool
- Inbreeding coefficient (COI) calculatorEnter a litter's pedigree up to five generations to get its coefficient of inbreeding and the common ancestors behind it.Open tool
- Litter size calculatorEnter the mother's weight or breed and her age to see how many puppies to expect and the range most litters fall in.Open tool
Breeds
- Dog breed selectorAnswer 10 questions about your home, time and family to get a ranked list of dog breeds and why each one fits.Open tool
- What breed is my dog?Describe your dog's size, coat, ears, tail, build and colors to see which breeds it looks most like.Open tool
- Dog breeds by trait finderFilter breeds by tail, eye color, coat, size, shedding, energy and more to find every breed with the traits you want.Open tool
- Dog breed comparisonPick two or three breeds to compare size, lifespan, coat, exercise and every AKC trait side by side, with a to-scale drawing.Open tool
- Wolf vs dog size comparisonPick any breed or enter your dog's size to see it next to an average gray wolf, drawn to scale.Open tool
- Hypoallergenic dog finderFilter the breeds that suit people with allergies by size, energy, grooming, coat and family fit.Open tool
- Apartment dog finderSet your size limit, exercise time and noise rules to rank every breed for apartment life.Open tool
Training & routine
- Puppy sleep scheduleEnter your puppy's age, wake-up time and bedtime to get a daily nap schedule, total sleep and night potty alarm times.Open tool
- Puppy potty scheduleEnter your puppy's age, wake-up time, bedtime and meals to get a daily potty timetable, how long they can hold it and night alarm times.Open tool
- Crate training scheduleEnter your puppy's age (or choose adult dog) and a start date to get a dated week-by-week crate plan with the longest safe crate time each week.Open tool
- Puppy socialization checklistEnter your puppy's birth date to see how long the socialization window stays open, then tick off people, places, sounds and handling as you go.Open tool
- How long can a dog be left alone?Enter your dog's age, how used to being alone they are and your hours away to get the longest safe stretch alone and a day plan with visits.Open tool
- Daily dog routine builderEnter when you get up, go to bed and leave for work to get a timed daily schedule of walks, meals, potty breaks, training and visits.Open tool
- Dog exercise calculatorChoose a breed or energy level, age and health to get daily exercise minutes, how to split them into walks, and a puppy guide.Open tool
- Dog walk distance calculatorEnter breed, age, temperature and walking pace to get how far to walk your dog each day and per walk, with a heat check.Open tool
Gear sizing
- Crate size calculatorEnter your dog's length and height, or pick a breed, to get the crate size in inches with the math and real crate dimensions.Open tool
- Harness size calculatorEnter your dog's chest and neck girth to get the most likely harness size and the matching size on three brands' charts.Open tool
- Collar size calculatorEnter your dog's neck girth, or the length of a collar that fits, to get the collar size and the matching ranges from three brands.Open tool
- Dog bed size calculatorEnter your dog's length lying down to get the inside sleeping area its bed needs, with an example of real bed sizes.Open tool
- Sweater and coat size calculatorEnter your dog's chest girth and back length to get its sweater or coat size on three makers' charts.Open tool
- Airline pet carrier size checkerEnter your carrier's size and type to see which airlines' in-cabin limits it meets, checked on each airline's own site.Open tool
Weather & travel
- Is it too cold for my dog?Enter the temperature, wind, your dog's size and coat to get a 1 to 5 cold risk level and what to do about it.Open tool
- Is it too hot to walk my dog?Enter the temperature, humidity, sun and your dog's size to get a 1 to 5 heat risk level, pavement advice and a safer walk plan.Open tool
- Hot car temperature calculatorEnter the outside temperature and minutes parked to see how hot the car gets inside and how fast it becomes dangerous for your dog.Open tool
- Pet travel requirements by countryPick a destination and arrival date to get the microchip, rabies vaccine, titer test and health certificate steps in order, with deadlines and official links.Open tool
- Dog travel checklistChoose car or plane, international or not, to get a dog travel checklist you can tick off, save in your browser and print.Open tool
Grooming
Costs
- Cost of owning a dog calculatorPick your dog's life stage and spending level, then edit each cost to get the yearly, monthly and lifetime cost of your dog.Open tool
- Puppy first-year cost calculatorChoose breeder or shelter and a spending level, then edit each line to see the one-time and running costs of your puppy's first year.Open tool
- Dog grooming cost calculatorPick your dog's size, coat, groomer and how often you book to see the price per visit with add-ons and tip, and the yearly cost.Open tool
- Dog walking rates calculatorFor dog walkers: enter your base rate, extra-dog and holiday fees and walks per week to see your price per walk and weekly, monthly and hourly earnings.Open tool
- Dog sitting rates calculatorFor pet sitters: price drop-ins, house sitting or boarding with extra dog, puppy, holiday and late pick-up fees to get the booking total and your take-home.Open tool
Names
- Dog name meaning finderSearch a dog name, or a word like 'moon', to see what it means, the language it comes from and whether it suits a boy or a girl.Open tool
- Dog name generatorPick boy or girl, a style, a language, a first letter or a length, then shuffle for name ideas with meanings and save a shortlist.Open tool
- Dog names by breedChoose a breed to get names from the language of its homeland and names that suit its size and temperament, each with its meaning.Open tool