How to Choose the Right Cat Cave Size for Your Cat

Many cat owners focus on style, material, or colour when buying a cat bed, but the most important factor is often overlooked: cat cave size. Get the dimensions wrong, and even the most beautifully crafted bed will go unused.

In this guide, you will learn how to measure your cat correctly, compare cave dimensions by weight and breed, match bed types to sleeping style, and avoid the most common sizing mistakes.

What size cat cave should I get? Choose a cave that lets your cat enter, turn around, and curl up comfortably. For most adult cats, a 16 to 18-inch (40 to 45 cm) diameter with a 7 to 8-inch opening works well. Larger breeds may need 20 to 24-inch caves.

Why Cat Cave Size Matters More Than Most Owners Realise

Cats sleep 12 to 16 hours daily, making their bed one of the most-used items in your home. A cave that is too small restricts movement; one that is too large loses the cosy, den-like quality cats seek. The goal is a space that feels snug without being restrictive.

 

Measure Your Cat Before Buying a Cat Cave

Breed averages are a starting point, but individual cats vary considerably. Always measure your cat directly.

Measure Length

Measure nose to tail base while your cat lies comfortably. This helps confirm whether the cave opening will allow easy entry and exit.

Measure Curling Diameter

Note the diameter of your cat's body when curled into their favourite sleeping position. This is the single most useful measurement for sizing a cave.

Add Comfort Allowance

Add 4 to 6 inches (10 to 15 cm) to the curling diameter so your cat can shift position and turn around without feeling cramped.

Quick Formula: Ideal Cat Cave Size = Curled Diameter + 4 to 6 Inches

Cat Cave Size Chart by Weight and Breed

Kittens (Under 3 kg)

A small cave with a diameter of 14 to 16 inches (35 to 40 cm) suits young cats and reinforces the sense of security they need as they settle in.

Average Adult Cats (3 to 6 kg)

A medium cave of 16 to 18 inches (40 to 45 cm) suits most domestic cats and is the best all-round starting point.

Large Cats (6 to 8 kg)

Look for a large cave in the 18 to 20 inch (45 to 50 cm) range to ensure comfortable entry and exit.

Giant Breeds (8 to 12 kg)

Breeds such as the Maine Coon, Ragdoll, and Norwegian Forest Cat require an XL cave of 20 to 24 inches (50 to 60 cm). Standard sizes will not accommodate them.

 

Choose Based on Your Cat's Sleep Style

Observe your cat for a few days before purchasing. Sleeping behaviour is one of the strongest predictors of which bed style they will actually use.

The Curler

Cats that sleep tucked nose-to-tail love warmth and enclosed spaces. A traditional cat cave or cat igloo bed provides the heat retention and security they prefer.

The Burrower

Cats that hide under blankets or squeeze into corners do best in a deep cat cave or covered cat bed that mimics a safe den on all sides. This style suits shy or anxious cats especially well.

The Sprawler

Cats that sleep stretched out need room to extend fully. A large cat bed or cat lounger is far more appropriate than an enclosed cave for this sleep style.

Different Types of Enclosed Cat Beds

Traditional Cat Cave

Suits most cats year-round. The rounded, fully enclosed shape retains warmth in winter and provides a cool retreat in summer. Wool cat cave is the preferred material because it is naturally insulating, breathable, and durable, making a felt cave one of the longest-lasting bed options available. 

Cat Igloo Bed

Features a structured dome for full enclosure. Best for nervous cats or multi-pet households where privacy and noise reduction matter most. The firm felt cat igloo bed holds its shape over time and gives anxious cats a reliable, consistent retreat. 

Covered Cat Bed

A softer canopy design that suits burrowers who find a rigid felt cave too confining. The cover can often be folded back for use as an open bed.

Bunny Cat Cave

Bunny cat cave combines function with a decorative shape, popular for playful kittens and design-conscious interiors. Offers the same warmth and security as a standard felt cave.

Cat Bed Types Compared: Which One Fits Your Cat Best?

No single bed suits every cat. Size, personality, and sleeping behaviour should all guide the decision.

Material Matters: What Makes the Most Comfortable Cat Cave?

Wool Felt

The gold standard for cat caves, wool felt offers natural insulation, breathability, and excellent durability. It resists odours, maintains its shape over time, and is crafted from pet-safe materials, creating a cozy and long-lasting retreat for your cat.

Velvet

Luxuriously soft and visually refined, though it requires more care to keep clean.

Boucle

A textured, contemporary fabric that is durable and doubles as a design feature in modern interiors.

Twill

Practical and easy to clean, making it the most affordable option and a sensible choice for kittens or messy cats.

 

Indoor vs Outdoor Cat Beds: Does Size Change?

Core sizing principles apply indoors and outdoors, but outdoor settings add further requirements.

Outdoor Cat Bed Requirements

An outdoor cat bed must offer weather protection, ground insulation, and, ideally, an elevated base to lift the sleeping surface above moisture and pests.

Elevated Cat Bed Benefits

Better airflow beneath the bed keeps bedding drier and cats cooler in warmer months. It also reduces exposure to insects and dampness.

Raised Cat Bed Benefits

For owners considering cat beds for outdoor cats, raised, elevated designs consistently outperform floor beds in terms of hygiene and durability. They are especially valuable in Australia's variable climate, where humidity and rain quickly degrade a bed sitting at ground level.

 

Common Cat Cave Sizing Mistakes to Avoid

Mistake 1: Buying based only on breed. Always measure your individual cat rather than relying on averages.

Mistake 2: Ignoring sleeping position. A sprawler will not use a small cave regardless of quality.

Mistake 3: Choosing a tiny entrance. The opening diameter matters as much as the internal space.

Mistake 4: Not accounting for future growth. Size up slightly for kittens to avoid early replacement.

Mistake 5: Assuming all caves use the same sizing standards. Labels like "medium" vary between manufacturers. Always check actual dimensions.

 

Should You Buy One Bed or Multiple Beds?

Cats rotate between spots throughout the day, following warmth and light. A practical combination is one cat cave for enclosed rest, one cat lounger for open sleeping, and one elevated cat bed for warm or outdoor spaces. This gives your cat a genuine choice without a large upfront investment.

 

Cat Cave Buying Checklist

Before purchasing, confirm the following:

• Measure the curled sleeping diameter and add 4 to 6 inches
• Identify sleeping style: curler, burrower, or sprawler
• Check the entrance diameter, not just the overall size
• Match cave size to weight using the chart above
• Choose a material suited to your climate and cleaning routine
• Confirm indoor or outdoor use
• Prioritise comfort over appearance

 

Frequently Asked Questions

Do cats like cat caves?

Most cats take naturally to caves because the enclosed shape mirrors the dens they instinctively seek. Shy and cold-sensitive cats tend to adopt them quickly; more confident sprawlers may take a little longer.

What is the best size for an enclosed cat bed?

For an average adult cat (3 to 6 kg), an internal diameter of 16 to 18 inches (40 to 45 cm) with a 7- to 8-inch opening works well. Always add 4 to 6 inches to your cat's curled diameter for best results.

How do I get my cat to use a new bed?

Place it where your cat already sleeps. Add a familiar-scented item or a small amount of dried catnip near the entrance to encourage exploration.

How often should I clean a cat bed?

Every one to two weeks under normal conditions. Cats with outdoor access or allergies may need more frequent washing. Follow material-specific care instructions, as wool felt requires gentler handling than twill.

Are tunnel beds good for older cats?

They can be, provided the entry is low and wide enough for easy access. Cats with reduced mobility often do better with a shallow covered bed or a raised flat bed with a low entry point.

Do calming cat beds actually work?

Many cats respond well to bolstered edges and deep filling, which mimic the sensation of being held. Most owners report improved settled behaviour, particularly in anxious cats adjusting to a new environment.

Should large breeds use standard cat caves?

No. Maine Coons, Ragdolls, and Norwegian Forest Cats need XL caves of 20 to 24 inches. A standard cave restricts movement and will likely be avoided altogether.

 

Where to Buy Cat Caves

The right cat cave comes down to knowing your cat and applying the principles in this guide. Correct sizing is essential for comfort and security; weight, breed, age, and sleeping habits all influence the ideal choice. Material and style are equally important for long-term satisfaction.

Measure your cat today and use the sizing recommendations above to choose a cat cave that delivers the comfort, security, and support your feline companion deserves. Namaste Artisans is here for all cat lovers to buy cat caves. Contact Namaste Artisans for cat caves today!