Pets & Companion Animals Calculators
161 toolsA hub of multi‑species calculators (dogs, cats, horses, birds, reptiles, fish, and small mammals) spanning nutrition, hydration, toxicology, dosing, growth, activity, age/longevity, reproduction, and environment.
Dogs — Nutrition & Weight
Calorie needs, weight targets, feeding plans and macronutrient guidance.
Dogs — Hydration
Daily water intake and dehydration risk indicators by body weight and symptoms.
Dogs — Toxicology & Hazard
Exposure risk helpers for chocolate, grapes/raisins, allium, xylitol, caffeine and more.
Dogs — Medication & Dosing
Reference doses for common medications and supplements. Educational, not a substitute for veterinary advice.
Dogs — Growth & Body Measures
Puppy adult size predictor, body condition scoring, crate/harness sizing and indices.
Dogs — Activity & Fitness
Calories burned on walks, step goals and safe temperature windows for exercise.
Dogs — Age & Longevity
Breed‑aware human‑years conversion and life expectancy estimator.
Dogs — Reproduction
Gestation due date and whelping stage timeline planners.
Cats — Nutrition & Weight
Calorie needs, weight targets, kitten and senior adjustments, treat allowance and macros.
Cats — Hydration
Daily water intake and dehydration risk based on intake and symptoms.
Cats — Toxicology & Hazard
Risk guides for chocolate, allium, grapes/raisins, caffeine, essential oils and lilies.
Cats — Medication & Dosing
Reference doses for common medications and omega‑3 supplements. Educational, not veterinary advice.
Cats — Growth & Size Measures
Kitten adult weight predictor, body condition scoring, carrier/harness sizing and indices.
Cats — Activity & Lifestyle
Calorie adjustment by activity, play session planner and rest vs. active balance.
Cats — Age & Longevity
Human‑years conversion, senior care readiness checklist and life expectancy estimator.
Cats — Urinary & Kidney
Litter box output tracking, intake vs. output balance and phosphorus per meal estimate.
Cats — Reproduction
Gestation due date and kitten weaning timeline with feeding amounts.
Cats — Grooming & Care
Shedding/combing time planning and nail trimming interval guidance.
Cats — Behavior & Environment
Multi‑cat litter box counts, room enrichment planning and stress offset through play.
Horses — Nutrition & Weight
Energy requirements (DE/TDN), feeding rates, hay intake, protein/lysine and electrolytes.
Horses — Hydration
Water intake by temperature and weight; dehydration risk by quick checks.
Horses — Health & Toxicology
Colic and laminitis risk indices; toxic plant exposure and mineral balance helpers.
Horses — Medication & Supplement
Dewormer dosing, NSAID dosing, electrolyte mixing and omega‑3 planning.
Horses — Reproduction
Gestation due date and foaling countdown with lactation feed planning.
Birds — Nutrition & Weight
Daily calories by weight, seed‑to‑pellet conversion, hand‑feeding, vitamin A and calcium.
Birds — Health & Toxicology
Toxic foods, heavy metal exposure, feather‑plucking stress, egg binding and temperature safety.
Birds — Hydration
Daily water requirement per weight and dehydration signs estimator.
Birds — Medication
Antibiotic dosing references, omega‑3 supplementation and electrolyte/vitamin C water mixes.
Reptiles — Nutrition & Environment
UVB distance/duration, basking gradients, feeding ratios, Ca:P balance, D3 and gut‑loading.
Reptiles — Health
Dehydration and shedding risk, MBD risk, humidity ranges, growth curves and thermal power.
Reptiles — Medication
Dewormer/antibiotic dosing references, calcium + D3 supplements and fluid replacement volumes.
Fish & Aquatic — Volume & Stocking
Aquarium volume, safe stocking density, filter flow, water changes, heater wattage and CO₂ rate.
Fish & Aquatic — Water Chemistry & Nutrition
pH buffer adjustment, cycle timing, therapeutic salt dosing, nitrate goals, feeding and oxygen.
Fish & Aquatic — Pond & Breeding
Pond volumes and liners, koi feed planning and breeding tank volumes.
Small Mammals — Nutrition & Weight
Daily calories, weight plans, hay/pellet intake, fiber/protein, vitamin C and calcium limits.
Small Mammals — Health & Toxicology
Heat stress risk, dehydration checks, toxic foods reference, safe produce and parasite doses.
Small Mammals — Behavior & Care
Cage size requirements, daily exercise planning and bedding replacement frequency.
More Pets Calculators
- Dog Calorie Needs (RER/MER) Calculator
- Dog Weight Loss Planner
- Dog Ideal Weight & Target Calories Calculator
- Dog Treat Calories & Daily Allowance Calculator
- Dog Chocolate Toxicity Calculator
- Dog Grape/Raisin Exposure Risk Calculator
- Dog Onion/Garlic (Allium) Exposure Risk Calculator
- Dog Xylitol Exposure Risk Calculator
- Dog Caffeine Toxicity Calculator
- Dog Macadamia Nut Toxicity Calculator
- Dog Alcohol/Ethanol Exposure Risk Calculator
- Dog Human-Medication Exposure Alert (Ibuprofen/Acetaminophen)
- Benadryl (Diphenhydramine) Dose Calculator for Dogs
- Cephalexin Dose Calculator for Dogs
- Meloxicam/Metacam Dose Calculator for Dogs
- Gabapentin Dose Calculator for Dogs
- Prednisone/Prednisolone Dose Calculator for Dogs
- Tramadol Dose Calculator for Dogs
- Omega-3 (EPA/DHA) Supplement Calculator for Dogs
- Puppy Adult Size Predictor (Weight Curve)
- Dog Body Condition Score Helper (BCS → Target Plan)
- Dog BMI/Body Index (educational)
- Dog Crate Size Finder
- Dog Harness Size & Fit Guide
- Dog Walking Calories Burned Calculator
- Dog Step-Goal & Activity Time Planner
- Heat Risk/Walk Safety Window (Temp & Humidity)
- Dog Age in Human Years (Breed-Aware)
- Dog Life Expectancy Estimator (lifestyle factors)
- Dog Pregnancy (Gestation) Due-Date Calculator
- Puppy Calorie Needs by Age/Breed Size Calculator
- Dog Protein/Fat Intake Guide (by Goal)
- Dog Daily Water Intake Checker
- Dehydration Risk Estimator (Weight & Symptoms Aware)
- Whelping Countdown & Stage Timeline
- Cat Calorie Needs (RER/MER) Calculator
- Cat Weight Loss Planner
- Ideal Weight & Target Calories for Cats
- Kitten Calorie Needs by Age/Size
- Senior Cat Nutrition & Calorie Adjuster
- Cat Treat Calories & Daily Allowance
- Protein/Fat Intake Guide for Cats (by Goal)
- Daily Water Intake Checker for Cats
- Dehydration Risk Estimator (Symptoms + Intake)
- Cat Chocolate Toxicity Calculator
- Cat Onion/Garlic Toxicity Calculator
- Cat Grape/Raisin Exposure Risk (educational)
- Xylitol Exposure Risk for Cats (rare but educational)
- Caffeine Toxicity Risk for Cats
- Essential Oils Exposure Risk (diffuser/dermal)
- Lilies Poisoning Risk Guide (cats)
- Acetaminophen/Ibuprofen Exposure Risk (human meds)
- Benadryl (Diphenhydramine) Dose Calculator for Cats
- Cephalexin Dose Calculator for Cats
- Meloxicam Dose Calculator for Cats
- Gabapentin Dose Calculator for Cats
- Prednisolone Dose Calculator for Cats
- Omega-3 (EPA/DHA) Supplement Calculator for Cats
- Insulin Starter Reference (info-only)
- Kitten Adult Weight Predictor
- Cat Body Condition Score Helper (BCS → Target Plan)
- Cat BMI/Body Index (educational)
- Cat Carrier Size & Fit Guide
- Cat Harness Size & Fit Guide
- Indoor/Outdoor Activity Calorie Adjuster
- Play Session Planner (Feather/Chase Time Targets)
- Resting vs. Active Hours Balance Tracker (owner input)
- Cat Age in Human Years (Breed/Size Aware)
- Senior Cat Care Readiness Checklist (scored helper)
- Life Expectancy Estimator (lifestyle factors; educational)
- Litter Box Output Tracker (Normal vs. Increased)
- Fluid Intake vs. Urine Output Balance Checker
- Phosphorus per Meal Estimator (diet label helper)
- Cat Pregnancy (Gestation) Due-Date Calculator
- Kitten Weaning Timeline & Feeding Amounts
- Shedding & Combing Time Planner
- Nail Trim Interval Planner (activity/surface based)
- Multi-Cat Litter Box Count Calculator
- Environmental Enrichment Planner (per room)
- Stress Score & Playtime Offset Planner (owner input)
- Horse Calorie & Energy Requirement Calculator (DE / TDN)
- Horse Weight Estimator (Heart Girth & Length)
- Daily Calorie Needs by Body Weight
- Seed-to-Pellet Conversion Planner
- UVB Lighting Distance & Duration Calculator
- Basking Temperature & Gradient Planner
- Horse Feeding Rate Calculator (Forage + Concentrate)
- Horse Hay Intake Calculator (per body weight %)
- Horse Protein & Lysine Requirement Calculator
- Horse Electrolyte Need Estimator (Exercise & Heat)
- Horse Body Condition Score Helper (Henneke 1–9)
- Horse Water Intake by Temperature & Weight
- Dehydration Risk Estimator (Skin Turgor + Mucous Check)
- Horse Colic Risk Assessment (Feeding & Management)
- Laminitis Risk Index (BCS + NSC intake)
- Horse Toxic Plant Exposure Risk (Ragwort, Yew, etc.)
- Horse NSAID Overdose Risk (Phenylbutazone)
- Horse Selenium Toxicity Threshold (ppm)
- Horse Salt & Mineral Balance Checker
- Dewormer Dose Calculator (by Drug Class & Weight)
- Phenylbutazone / Flunixin Dose Calculator
- Electrolyte Powder Mixing Calculator
- Omega-3 Supplement Planner (EPA/DHA per kg)
- Horse Gestation (Due Date) Calculator
- Foaling Countdown & Lactation Feed Planner
- Hand-Feeding Formula Amount (Chicks)
- Vitamin A Requirement Calculator
- Calcium Supplement Dosage (Breeding Females)
- Weight Trend Tracker (Weekly Log)
- Toxic Foods Exposure Checker (Avocado, Chocolate, etc.)
- Heavy Metal (Lead/Zinc) Exposure Risk
- Feather Plucking & Stress Risk Index
- Egg Binding Risk Estimator
- Ambient Temperature Safe Zone Calculator
- Daily Water Requirement per Weight
- Dehydration Signs Estimator
- Antibiotic Dose Reference (mg/kg)
- Omega-3 Supplement Dose (for parrots)
- Electrolyte & Vitamin C Water Mix Calculator
- Daily Feeding Ratio (by Species & Age)
- Calcium-to-Phosphorus Ratio Calculator
- Vitamin D3 Requirement (Supplemental)
- Feeder Insect Gut-Loading Ratio
- Dehydration & Shedding Risk Index
- Metabolic Bone Disease Risk Estimator
- Ideal Humidity Range Calculator
- Growth Curve by Species (Python, Bearded Dragon, Gecko)
- Thermal Gradient Maintenance Power Estimator
- Dewormer & Antibiotic Dose Reference
- Calcium + D3 Supplement Calculator
- Fluid Replacement Volume Calculator
- Aquarium Volume Calculator (Rectangular / Cylindrical / Bowfront)
- Safe Stocking Density (Fish/cm per Litre)
- Filter Flow Rate Calculator
- Water Change Volume Planner
- Heater Wattage Requirement
- CO₂ Injection Rate Calculator (Planted Tank)
- pH Adjustment (Acid/Base Buffer) Calculator
- Ammonia-to-Nitrite Cycle Time Estimator
- Aquarium Salt Dosage Calculator (Therapeutic)
- Nitrate Reduction Goal Planner (ppm → water change %)
- Fish Food Feeding Rate Calculator
- Oxygen Solubility vs. Temperature Table
- Pond Volume & Liner Size Calculator
- Koi Feed Planner (Temp + Weight)
- Breeding Tank Volume Planner
- Daily Calorie Needs (Species Specific)
- Weight Maintenance vs. Gain/Loss Planner
- Hay & Pellet Intake Calculator
- Fiber & Protein Ratio Calculator
- Vitamin C Requirement (Guinea Pig)
- Calcium Intake Limit (Bladder Stone Prevention)
- Rabbit Treat Calories & Safe Portion
- Ferret Protein/Fat Ratio Checker
- Temperature Stress Risk (Rabbit Heatstroke)
- Dehydration Risk Checker
- Common Toxic Foods Reference
- Safe Vegetables & Fruits Portion Calculator
- Parasite Treatment Dose Reference
- Cage Size Requirement Calculator
- Exercise Time Planner (Run Time per Day)
- Bedding Replacement Frequency Estimator
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