Practical dog and cat care posts with sourced numbers and worked calculator examples.https://www.mypetmath.com/en-ushttps://www.mypetmath.com/blog/how-many-calories-does-a-cat-need/https://www.mypetmath.com/blog/how-many-calories-does-a-cat-need/A neutered 10 lb indoor cat needs about 260 kcal a day by the vet formula. See a cat calorie chart by weight, kitten and senior needs, and WSAVA’s ranges.Sun, 27 Sep 2026 00:00:00 GMTFeeding and nutritioncatscaloriesRERkittenssenior catshttps://www.mypetmath.com/blog/how-many-calories-does-a-dog-need/https://www.mypetmath.com/blog/how-many-calories-does-a-dog-need/A typical neutered 50 lb dog needs about 1,020 kcal a day to start. See a dog calorie chart by weight and activity, and how AAHA, WSAVA and Merck compare.Sun, 27 Sep 2026 00:00:00 GMTFeeding and nutritiondogscaloriesRERMERfeedinghttps://www.mypetmath.com/blog/when-is-a-dog-considered-a-senior/https://www.mypetmath.com/blog/when-is-a-dog-considered-a-senior/Dogs become seniors in the last 25% of their expected lifespan: about 10 for small dogs, 8 for large and 6 for giants. See ages by size and breed.Sun, 27 Sep 2026 00:00:00 GMTAge and life stagesdogssenior dogsdog agelife stageshttps://www.mypetmath.com/blog/cat-years-to-human-years/https://www.mypetmath.com/blog/cat-years-to-human-years/A 1-year-old cat is about 15 in human years and a 2-year-old about 24, then add 4 a year. See the full vet chart, life stages and senior care tips.Sat, 26 Sep 2026 00:00:00 GMTAge and life stagescatscat agesenior catslife stageshttps://www.mypetmath.com/blog/how-fast-should-a-dog-lose-weight/https://www.mypetmath.com/blog/how-fast-should-a-dog-lose-weight/A dog should lose about 1–2% of its body weight a week, or ½–1 lb a week for a 50 lb dog. See a chart by weight, a worked plan and when to slow down.Sat, 26 Sep 2026 00:00:00 GMTHealth and weightdogsweight lossobesitybody condition scorehttps://www.mypetmath.com/blog/how-many-treats-can-a-dog-have/https://www.mypetmath.com/blog/how-many-treats-can-a-dog-have/Treats should be no more than 10% of a dog’s daily calories, about 50 kcal for a 20 lb dog. See treat budgets by weight and calories in common treats.Sat, 26 Sep 2026 00:00:00 GMTFeeding and nutritiondogstreatscalories90/10 rulehttps://www.mypetmath.com/blog/how-much-water-should-a-dog-drink/https://www.mypetmath.com/blog/how-much-water-should-a-dog-drink/A healthy dog drinks about 50–60 mL of water per kg a day, roughly an ounce per pound. See a chart by weight and when drinking too much is a warning sign.Sat, 26 Sep 2026 00:00:00 GMTHealth and weightdogswater intakehydrationexcessive thirsthttps://www.mypetmath.com/blog/how-often-to-feed-a-puppy/https://www.mypetmath.com/blog/how-often-to-feed-a-puppy/How often to feed a puppy: 4 meals a day at 6–12 weeks, 3 meals from 3 to 6 months, then 2. See a schedule by age, portion examples and when to switch.Sat, 26 Sep 2026 00:00:00 GMTFeeding and nutritionpuppiesfeeding schedulepuppy foodlarge breed puppies