How Much Should I Feed My Dog? A Practical, Budget-Friendly Guide

Hello, World!

The short answer (that nobody gives you)

There is no single “right” amount to feed every dog. The right amount is the amount that keeps your dog at a healthy body condition, with stable energy, good digestion, and a diet you can afford to sustain.

If you’ve ever followed the feeding guide on the bag and felt unsure… you’re not alone. Feeding advice is often confusing, brand-led, and rarely considers real-world constraints like rising food costs, multi-dog households, or dogs with fluctuating appetites.

This guide will show you how to:

  • Understand calories, not just grams

  • Adjust portions for life stage, size, neuter status, and activity

  • Feed accurately without expensive foods or supplements

  • Make food last longer when money is tight

  • Use free tools (including a dog food cost calculator)

  • Get a free diet assessment to work out your dog’s actual calorie needs

And importantly: you will not be told to buy premium food, guilt-fed raw, or “just feed less” without context.

Why feeding amounts are so confusing

Most owners are given:

  • A scoop

  • A feeding guide on the bag

  • Advice based on weight alone

But feeding your dog based purely on weight is like fuelling a car without knowing:

  • The engine size

  • How far it’s driving

  • Whether it’s leaking fuel

Two dogs can weigh 20kg and need very different calories.

Calories matter more than portions

Dogs don’t need:

  • A certain weight of food
    They need:

  • A certain number of calories per day

That calorie requirement depends on:

1. Life stage

  • Puppies: need more calories per kg

  • Adults: require maintenance calories

  • Seniors: often need fewer calories, but not less protein

2. Neutering

Neutered dogs typically need 10–20% fewer calories than intact dogs.

3. Activity level

  • Sedentary dogs: lower needs

  • Working/active dogs: higher needs

  • Ill or recovering dogs: variable

4. Body condition

A dog at a healthy weight needs more calories than a dog who needs to lose weight.

Body Condition Score: the most important feeding tool

Before changing food or portions, assess body condition.

A healthy dog should:

  • Have a visible waist from above

  • Have a tuck when viewed from the side

  • Have ribs you can feel easily, but not see

If your dog is:

  • Overweight → they are likely being overfed (even if the food is “healthy”)

  • Underweight → they may need more calories or a more digestible diet

Feeding guides do not account for this.

Why feeding guides often lead to overfeeding

Feeding charts on bags are:

  • Broad averages

  • Designed to avoid underfeeding complaints

  • Often based on intact, moderately active dogs

They also:

  • Don’t account for treats

  • Don’t account for household feeding habits

  • Don’t account for lower-energy dogs

It’s very common for dogs following bag guidelines to gain weight slowly over time.

How to calculate how much to feed (without a calculator headache)

Dog life stage / lifestyle Multiplier Calculation Typical example
PUPPY (1–3 MONTHS) × 3.0 RER × 3.0 Rapid growth phase
PUPPY (3–5 MONTHS) × 2.5 RER × 2.5 Fast growth, increasing activity
PUPPY (5–12 MONTHS) × 2.0 RER × 2.0 Adolescent growth stage
ADULT – RESTING / VERY LOW ACTIVITY × 1.0 RER × 1.0 Crate rest, recovery
ADULT – NEUTERED (NORMAL EXERCISE) × 1.6 RER × 1.6 Most pet dogs
ADULT – INTACT (NORMAL EXERCISE) × 1.8 RER × 1.8 Regular daily exercise
ADULT – HIGHER EXERCISE LEVEL × 2.0–2.5 RER × 2.0–2.5 Sport, long daily walks
SENIOR – LOWER ACTIVITY × 1.2–1.4 RER × 1.2–1.4 Reduced activity, ageing metabolism

FORMULA USED: RER = 70 × (BODY WEIGHT IN KG 0.75)
MULTIPLIERS ARE GUIDELINES AND SHOULD BE ADJUSTED BASED ON BODY CONDITION, HEALTH STATUS, AND VETERINARY ADVICE.

Here’s the simple framework used by nutrition professionals:

Step 1: Work out your dog’s daily calories

This is based on resting energy requirement (RER), then adjusted.

Step 2: Check the calories in your dog’s food

This is usually listed as:

  • kcal per 100g

  • or kcal per kg

If it isn’t clear, that’s a red flag—but you can still calculate it using our calculator

Step 3: Divide calories needed by calories per gram

This tells you how much to feed per day.

Step 4: Adjust slowly

Change portions by 5–10% at a time, not drastic cuts.

Dry vs wet vs raw: portion size myths

Different foods weigh differently.

That means:

  • Dry food looks smaller but can be calorie-dense

  • Wet food looks generous but may be lower in calories

  • Raw feeding portions vary wildly depending on fat content

You cannot compare portion sizes across diets without looking at calories.

This is where calculators are invaluable.

Feeding on a budget without compromising health

Feeding correctly isn’t about feeding less—it’s about feeding accurately.

Many owners overspend simply because:

  • Portions are too large

  • Treats aren’t counted

  • Food isn’t weighed

Budget-friendly feeding principles

  • Weigh food with a digital scale

  • Measure treats as part of daily calories

  • Avoid unnecessary toppers and supplements

  • Choose foods that meet needs, not marketing claims

You can compare foods by price per day, not price per bag, using the Dog Food Cost Calculator from The Good Paw Project.

This tool helps you see:

  • How long a bag actually lasts

  • Cost per day, week, and month

  • Whether switching food genuinely saves money

Making food last longer safely

If money is tight, you may need to stretch food temporarily.

Safe strategies include:

  • Feeding the correct amount (often less than current portions)

  • Reducing treats before reducing meals

  • Replacing a small percentage of calories with safe, cheaper options like cooked vegetables or carbohydrates (when appropriate)

This must be done carefully—and it’s one reason support matters. Check our our Meal Stretcher Calculator

If you’re struggling, the support pathways at The Good Paw Project exist to help without shame.

Why “just feed less” isn’t good advice

Blanket advice to cut food can:

  • Reduce essential nutrients

  • Increase hunger behaviours

  • Lead to muscle loss

Feeding less only works when:

  • Calories are accurately calculated

  • Nutritional balance is maintained

That’s why free assessment and tools matter—especially for households juggling finances.

Treats count (even the “healthy” ones)

Treats should make up no more than 10% of daily calories.

That includes:

  • Training treats

  • Chews

  • Table scraps

  • Dental sticks

If your dog gets “extras” daily, meals must be adjusted—or weight gain will follow.

Puppies, seniors, and special considerations

Puppies

  • Need calories for growth and development

  • Overfeeding can increase orthopaedic risk

  • Underfeeding can impair growth

Senior dogs

  • Often need fewer calories

  • Still need adequate protein

  • May benefit from smaller, more frequent meals

If your dog is at either end of life stage, guesswork feeding is especially risky.

Multi-dog households: avoiding accidental overfeeding

Common issues include:

  • One dog eating leftovers

  • Uneven treat distribution

  • Portion creep

Practical tips:

  • Feed separately if needed

  • Weigh each dog’s food

  • Track weekly usage rather than daily guesswork

Feeding should fit real life—not idealised rules

This is especially important when money is tight.

You do not need:

  • Boutique foods

  • Superfood powders

  • Guilt-based upgrades

You need:

  • Accurate portions

  • Consistent feeding

  • Affordable, balanced nutrition

That’s why tools and education—not judgement—matter.

Compare foods, not marketing

If you’re considering switching foods:

  • Compare calories per 100g

  • Compare cost per day, not bag price

  • Compare nutrient adequacy, not slogans

Members of The Canine Collective get access to dog food comparison calculators, helping owners:

  • Make informed decisions

  • Choose affordable options

  • Avoid being misled by marketing

All profits go back into supporting dog owners through The Good Paw Project.

When to reassess feeding amounts

Recheck portions if:

  • Your dog gains or loses weight

  • Activity level changes

  • Neutering status changes

  • Diet changes

  • Financial circumstances change

Feeding is not static—and that’s okay.

Get help (without pressure or shame)

If you’re unsure how much to feed your dog:

  • Do a free diet assessment to calculate your dog’s calories

  • Use the Dog Food Cost Calculator to manage costs

  • Join The Canine Collective for practical tools

  • Access support through The Good Paw Project

Feeding your dog should feel manageable, not overwhelming.

Key takeaways

  • Feeding guides are estimates—not instructions

  • Calories matter more than portions

  • Overfeeding is common and often unintentional

  • Budget-friendly feeding is possible

  • Tools and support make accurate feeding easier

If you’ve ever worried you’re feeding too much, too little, or spending more than you can sustain—you’re not failing. You’re navigating a system that rarely supports real life.

And you don’t have to do it alone 🐾

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