UD5 Toolkit
Pet Daily Calorie Calculator - Online Dog & Cat Feeding Guide
Estimate daily caloric needs for dogs and cats based on weight, activity, and life stage. Helps adjust portion sizes. General reference, not vet advice.
Cat Daily Calorie Calculator – Online Weight Loss or Gain
Cat Daily Calorie Calculator
Determine your cat's daily energy needs for weight loss, gain, or maintenance.
Cat Profile
Pounds (lbs)
Kilograms (kg)
lbs
Enter your cat's current body weight.
1 = Emaciated, 5 = Ideal, 9 = Severely Obese.
* Always consult your veterinarian before changing your cat's diet.
Enter your cat's details and press "Calculate"
Get personalized daily calorie targets for your feline friend.Understanding Cat Calories
Managing your cat's weight is crucial for preventing diabetes, joint issues, and ensuring a long, healthy life. Whether you have a playful kitten or a serene senior cat, understanding daily energy needs is the first step to optimal health.
How to Calculate Cat Calories for Weight Loss or Gain
Our tool uses a two-step veterinary standard formula. First, we determine the Resting Energy Requirement (RER), which is the calories needed for a resting body to function. Then, we adjust for life stage, activity, and goals to find the Maintenance Energy Requirement (MER).
Weight Loss
We use a safe reduction factor (0.8x) to prevent hepatic lipidosis (fatty liver disease).
Weight Gain
We increase intake by 1.6x to help underweight cats safely build body mass.
BCS Importance
Using Body Condition Score prevents feeding an obese cat based on its current weight.
Frequently Asked Questions
What is RER and MER in cats?
RER (Resting Energy Requirement) is the baseline calories a cat needs for vital organ function at rest. MER (Maintenance Energy Requirement) is the RER multiplied by a factor accounting for activity, life stage, and health status. This is the actual calories your cat needs daily.
How many calories should my cat eat to lose weight?
Safe feline weight loss requires feeding about 80% of the MER calculated for their *ideal* weight, not their current weight. Our calculator automatically adjusts this to prevent dangerous rapid weight loss.
How to help a cat gain weight healthily?
To help a cat gain weight, you need a calorie surplus. We recommend feeding 1.6x the RER for steady, healthy weight gain. Pair this with high-protein, high-fat kitten food or veterinary recovery diets for the best results.
What is the Body Condition Score (BCS)?
The BCS is a visual and palpable assessment of a cat's body fat. It typically uses a 1-9 scale. A score of 4-5 is ideal. Using BCS alongside weight helps determine if your cat is truly overweight or just a large breed.
Is this calculator safe for kittens?
Yes, we include a "Kitten" option which uses a higher multiplier to support their rapid growth and boundless energy. Kittens generally require significantly more calories per pound of body weight than adult cats.
Dog Daily Calorie Needs – Online Weight & Activity Level
Calculate resting energy requirement (RER) and daily energy requirement (DER) for dogs. Feeding guide.
Dog Calorie Calculator – Daily Food Intake by Weight
Determine how many calories your dog needs each day based on weight, activity level, and life stage. Use the result to measure proper portions and keep your dog healthy.
Pet Food Cost Calculator – Online Per Day & Brand Comparison
Enter bag weight, price, and daily cups to find daily cost. Compare two brands.
Calorie Density Calculator – Calories per Pound of Food
Enter the calories and weight of a food to see its calorie density. Choose foods with lower density to eat more and lose weight without hunger.
Calorie Deficit Planner - Online Weight Loss Timeline Tool
Set a target weight and see estimated daily calorie deficit needed. Computes safe timeline based on 500-1000 kcal deficit. Includes BMR & TDEE estimation. Fully local.
Calorie-Based Meal Planner - Online Weekly Menu Generator
Set daily calorie targets and generate a simple 7-day meal plan with breakdown. Customizable food items. Local only, no ads.
Pet Body Condition Score Estimator – Online Weight & Rib Check
Visual chart and questionnaire to estimate pet obesity risk. Combines weight, breed, and palpation guide.
Cyclical Diet Macro Splitter – Online High/Low Day Calorie Allocator
Enter weekly calorie target and training days to split into high‑carb/low‑carb days. For cyclical ketogenic or carb cycling.
Steps to Calories Estimator – Online Manual Pedometer
Enter daily steps and weight to see approximate calories burned. No tracking, just convert.
Canine Weight Pull Class Estimator – Online Breed & Body Weight
Enter your dog's weight to see which weight‑pull class they would compete in and approximate pulling capacity.
Cat‑Safe Flower Bouquet Designer – Avoid Lilies & Toxic Blooms
Select flowers from a cat‑safe list to design a virtual bouquet. Get a printable list to give your florist for a pet‑friendly arrangement.
Laser Pointer Play Session Timer for Cats
Start a 10‑15 minute guided laser chase session that ends with the dot landing on a treat, preventing frustration from never catching the prey.
Rowing Calorie & Split Calculator – Concept2 Pace to Watts
Convert between rowing pace (per 500m), watts, and calories per hour. Plan your erg workouts with precise intensity targets.
Random Cat GIF Viewer – Instant Cuteness Break
Display a random, adorable cat GIF at the push of a button. The perfect micro‑break to reduce stress and bring a smile during a busy workday.
Stand Up Paddle Board Volume Calculator – Weight & Skill
Find the right paddle board volume for your body weight and skill level. Convert liters to recommended board dimensions for optimal stability and performance.
Kayak Weight Capacity Calculator – Online Paddler + Gear Limit
Enter kayak's maximum capacity and your weight to see remaining capacity for gear. Safety on the water.
Pet Fountain Filter Change Reminder – Online Schedule & Log
Log when you last replaced the filter and get a reminder every 2‑4 weeks. Keep your pet's water fresh.
Raptor Weight & Flight Log – Online Falconry Management
Daily log of your hawk's weight, food intake, and flight performance. Aids in managing hunting condition. Local storage.
Yarn Weight Converter – Online Wrap Per Inch & Gauge Tester
Use wrap‑per‑inch (WPI) to identify mystery yarn and see equivalent standard weights (fingering, worsted). Compensate gauge.
Catnip Reaction Visual Checklist – Online Is Your Cat Sensitive?
Observe your cat after giving catnip and mark behaviors. See if they carry the gene. Fun science.
Goat Weight Estimator – Online Heart Girth to Pounds
Enter heart girth measurement to estimate goat weight in pounds or kilograms. Simple farm tool.
Whisker Fatigue Bowl Checker – Online Measure Your Cat's Bowl
Enter bowl diameter and depth to assess whisker stress risk. Get bowl recommendations. Feline wellness.
Roast Timer by Weight – Online Pork Beef Poultry Calculator
Select meat type and enter weight to get recommended cooking time and temp. Built-in timer with alarm.
Backpack Weight Planner – Online Distribute Load & Reduce kg
List each item with weight, see total load. Color-coded recommendations for reducing pack weight. Local storage.
Car Seat Fit Checker – Online Height/Weight vs. Seat Limits
Enter child's stats and compare to typical rear-facing, forward-facing, and booster seat requirements. Reference tool.
Random Cat Fact Gallery - Online Fun Feline Trivia & Photos
Click to see a random cat fact with a cute drawn illustration (or placeholder). Lightweight entertainment for cat lovers. Local static data.
Cat Age Calculator - Online Comprehensive Cymric/Burmese Factor
Convert cat age to human years using updated veterinary guidelines (not simple 1:7). Provides life stage context. Local only.
Calorie Burn by Activity - Online Walking Running Cycling Estimator
Estimate calories burned during common exercises using MET values. Input weight and duration. Compare activities. Educational, not medical advice.
BMI Chart & Ideal Weight Table - Online Reference
Look at a color‑coded BMI table for your height and see the healthy weight range. Simple reference.