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.
Pet Food Cost Calculator – Online Per Day & Brand Comparison
Enter bag weight, price, and daily cups to find daily cost. Compare two brands.
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.
Puppy Adult Weight Predictor – Online by Breed & Age
Enter current weight and age to estimate adult weight based on growth curves. For purebred and mixed.
Kitten Development Week‑by‑Week – Online What to Expect
Select a kitten's age in weeks to see milestones from eyes open to weaning. Visual guide.
Freezer Meal Audit – Online What's in Your Freezer Log
Track freezer contents with type, date frozen. See what's been in too long. Simple grid view. Data local.
Salary Negotiation Anchor Calculator – Online First Offer Strategy
Based on your target salary, calculates a high anchor number to improve negotiation outcome. Psychological tactic.
Auto Loan Calculator – Online Monthly Payment Estimator
Enter vehicle price, down payment, rate, term to compute monthly payment and total interest paid.
Rent vs Buy Breakeven Calculator – Online Simple Comparison
Compare renting to buying a home by entering price, rent, interest, and years. See which saves more. Simplified model.
Weekly Meal Prep Grid - Online Plan 7 Days
Fill in a 7‑day grid with breakfast, lunch, and dinner ideas. Print or screenshot. Stay organized.
Flooring Layout Planner – Online Stagger Pattern & Waste Calc
Visualize random-width plank layout and calculate total square footage plus waste for hardwood or laminate flooring.
Recipe Servings Converter - Online Scale Ingredients
Enter a recipe and scale the ingredient quantities up or down by servings. Supports fractions and mixed units. Cooking helper.
Erg Stroke Rate & Split Predictor – Online Concept2 Pace Chart
Enter distance and time to get your 500m split. Also predicts how a change in stroke rate affects power output.
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.
Staircase Riser & Tread Calculator - Online Comfort Rule Check
Compute riser height and tread depth given total rise and run. Applies comfort formula (2R+T=63cm). Ideal for deck or interior stair design.
Markup Percentage Calculator - Online Price & Margin
Compute the selling price from cost and desired markup percentage, or find the markup from cost and price.
Body Measurement Tracker - Online Fitness Progress Logger
Log neck, chest, waist, hip, and limb measurements over time. See changes on a chart. All data stored locally.
Freelance Day Rate Calculator – Online Project Cost Estimator
Based on desired annual income and billable days, calculate your minimum day rate. Don't undercharge.
Stock Average Down Calculator - Online Investment Cost Basis
Calculate the new average cost of a stock after buying more shares at a different price. Invest smarter. All local.
Roof Pitch Calculator – Online Rise, Run & Angle Finder
Enter any two of rise, run, pitch ratio, or angle to get the others. Useful for DIY shed or home projects.
Hole Saw Speed & Feed Calculator – Online Diameter & Material
Enter hole saw diameter and material to find the recommended RPM and feed pressure. Prevent burning and kickback.
Savings Goal Tracker - Online Visual Thermometer Chart
Set a financial goal and track progress with an animated thermometer. Enter current savings, target amount, and see percentage complete. Motivational & local.
Investment Goal Timeline - Online Reach Your Target
Enter your current savings, monthly contribution, and target amount. Calculate time needed and suggestions. Private.
What Should I Eat Generator - Online Meal Idea Randomizer
Stuck deciding what to cook? Generates random meal suggestions from a curated list. Filter by protein, cuisine, or cooking time. Save favorites locally.