Pets are family, and they deserve the best care at every age. Our Pet Tools category brings together simple, free calculators that help you understand your dog or cat better. There is no sign-up, no download and no cost. Enter a few details and get your answer straight away.
What you will find in this category:
Dog Age Calculator: Convert your dog’s age to human years by size, and see their life stage and a full dog years chart.
Cat Age Calculator: Find your cat’s age in human years, from kitten to senior, with a cat years chart.
More pet tools are being added regularly, so check back often.
Why use our Pet Tools?
100% free and easy to use
Simple explanations for every result
Works on phones, tablets and computers
No registration, and no personal data stored
These tools give general estimates. For health advice about your pet, please ask your vet.
How old is your cat in human years? This free cat age calculator converts your cat’s age, from a few weeks old to 20 years, into a human equivalent. It also shows your cat’s life stage, from kitten to senior, with a full cat years chart. That helps you pick the right food, play and […]
Overfeeding is one of the most common causes of weight gain in cats. This free cat food calculator estimates your cat’s daily calories from their weight, life stage, activity and weight goal. It converts that into grams, ounces, cups or pouches for dry, wet or raw food. You also get a meal-by-meal plan and an […]
Think your cat is expecting? This free cat pregnancy due date calculator estimates when the kittens will arrive from the mating date. Cat pregnancy lasts about 65 days. You see a likely delivery window, how far along your cat is and a timeline of key milestones, from “pinking up” to preparing a nesting box. How […]
Wondering how old your dog really is in human years? Our free dog age calculator gives you a quick, realistic answer. It uses your dog’s age and size, because small dogs age more slowly than giant breeds. You also get your dog’s life stage, typical lifespan and a dog years chart, so you can plan […]
Not sure how much to feed your dog? This free dog food calculator works out your dog’s daily calorie needs from their weight, life stage, activity level and weight goal. It then turns that number into grams, ounces, cups or cans for dry, wet or raw food. You also get a per-meal breakdown, a treat […]
Planning ahead is easier when you know when your dog’s next heat is due. This free dog heat cycle calculator predicts the next three heats from the date her last one started. It shows the likely fertile days and a day-by-day timeline of what happens in each stage. Use it to protect her from unplanned […]
Expecting puppies? This free dog pregnancy calculator estimates your dog’s due date from the mating date. Dog pregnancy lasts about 63 days. You get a likely delivery window, a progress bar and a timeline of key dates, from the earliest vet ultrasound to setting up the whelping box. It helps you plan ahead and know […]
Checking ratios by hand takes time, and one wrong figure spoils the whole answer. This free financial ratio calculator works out 17 key ratios from your financial statements in one click. You get profit margins, ROCE, ROE, current and quick ratios, inventory, receivable and payable days, gearing and interest cover. Each result shows its formula, […]
Knowing your aquarium’s true volume matters for dosing medicine, choosing a filter and heater, and checking your stand can take the weight. This free fish tank volume calculator works out gallons and litres for rectangle, cylinder, hexagon and bow-front tanks. It allows for the fill level and for decor and gravel, and shows the water […]
Hamsters live fast, so every month counts. This free hamster age calculator converts your hamster’s age into human years for Syrian, dwarf and Roborovski hamsters. You also see their life stage and how much of a typical lifespan they have lived. That helps you spot when it’s time for senior care. How to use: FAQs:Q: […]
Curious how old your horse is in human terms? This free horse age calculator converts your horse’s age into human years. It shows the life stage, from foal to senior, and a horse years chart from 1 to 35 years. It’s handy for planning training, feeding and veterinary care at every stage of a horse’s […]
The inventory method you choose changes your cost of sales, closing stock and profit. This free inventory valuation calculator compares FIFO, LIFO and weighted average cost (AVCO) side by side from the same purchases and sales. Switch between perpetual and periodic costing, and open a full stock ledger for each method. It is built for […]
How big will your puppy get? This free puppy weight calculator predicts your puppy’s adult weight from their age and current weight. If you pick an expected adult size, it adds a second estimate based on typical growth, and shows you a likely range. You also see how much of their growth is done and […]
How old is your rabbit in human years? This free rabbit age calculator turns your rabbit’s age in years and months into a human equivalent. It also shows their life stage, from baby to senior, and a rabbit years chart. That makes it easier to choose the right food, space and vet care as your […]
Planning ahead is easier when you know when your dog’s next heat is due. This free dog heat cycle calculator predicts the next three heats from the date her last one started. It shows the likely fertile days and a day-by-day timeline of what happens in each stage. Use it to protect her from unplanned
Dog Heat Cycle Calculator – Predict Next Heat and Fertile Days Read More »
Knowing your aquarium’s true volume matters for dosing medicine, choosing a filter and heater, and checking your stand can take the weight. This free fish tank volume calculator works out gallons and litres for rectangle, cylinder, hexagon and bow-front tanks. It allows for the fill level and for decor and gravel, and shows the water
Fish Tank Volume Calculator – Gallons and Litres for Any Aquarium Read More »
Hamsters live fast, so every month counts. This free hamster age calculator converts your hamster’s age into human years for Syrian, dwarf and Roborovski hamsters. You also see their life stage and how much of a typical lifespan they have lived. That helps you spot when it’s time for senior care. How to use: FAQs:Q:
Hamster Age Calculator – Hamster Years to Human Years Read More »
Curious how old your horse is in human terms? This free horse age calculator converts your horse’s age into human years. It shows the life stage, from foal to senior, and a horse years chart from 1 to 35 years. It’s handy for planning training, feeding and veterinary care at every stage of a horse’s
Horse Age Calculator – Horse Years to Human Years Chart Read More »
How old is your rabbit in human years? This free rabbit age calculator turns your rabbit’s age in years and months into a human equivalent. It also shows their life stage, from baby to senior, and a rabbit years chart. That makes it easier to choose the right food, space and vet care as your
Rabbit Age Calculator – Convert Rabbit Years to Human Years Read More »
Think your cat is expecting? This free cat pregnancy due date calculator estimates when the kittens will arrive from the mating date. Cat pregnancy lasts about 65 days. You see a likely delivery window, how far along your cat is and a timeline of key milestones, from “pinking up” to preparing a nesting box. How
Cat Pregnancy Calculator – Due Date and Timeline Read More »
Expecting puppies? This free dog pregnancy calculator estimates your dog’s due date from the mating date. Dog pregnancy lasts about 63 days. You get a likely delivery window, a progress bar and a timeline of key dates, from the earliest vet ultrasound to setting up the whelping box. It helps you plan ahead and know
Dog Pregnancy Calculator – Due Date and Timeline Read More »
How big will your puppy get? This free puppy weight calculator predicts your puppy’s adult weight from their age and current weight. If you pick an expected adult size, it adds a second estimate based on typical growth, and shows you a likely range. You also see how much of their growth is done and
Puppy Weight Calculator – Predict Your Puppy’s Adult Weight Read More »
Overfeeding is one of the most common causes of weight gain in cats. This free cat food calculator estimates your cat’s daily calories from their weight, life stage, activity and weight goal. It converts that into grams, ounces, cups or pouches for dry, wet or raw food. You also get a meal-by-meal plan and an
Cat Food Calculator – How Much Should I Feed My Cat? Read More »
Not sure how much to feed your dog? This free dog food calculator works out your dog’s daily calorie needs from their weight, life stage, activity level and weight goal. It then turns that number into grams, ounces, cups or cans for dry, wet or raw food. You also get a per-meal breakdown, a treat
Dog Food Calculator – How Much Should I Feed My Dog? Read More »