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What Size Storage Unit Do I Need?

July 15, 2026

What Size Storage Unit Do I Need?

Renting a storage unit is a fantastic way to declutter your home, streamline a big move, or clear out office space. But picking the wrong size can be an expensive headache. If it is too small, your belongings will not fit; if it is too large, you will pay for empty air.

At Storage Inn, we want to help you find the perfect fit. This guide breaks down our standard storage sizes, what fits inside them, and how to choose the right space.

The Storage Inn Size Reference Table

Unit Size (Dimensions) Total Square Footage Equivalent Space Ideal For Storing
5′ x 5′ 25 sq ft Small walk-in closet 10 – 15 boxes, seasonal gear, luggage
5′ x 10′ 50 sq ft Mid-sized walk-in closet Studio apartment contents, mattress, chairs, boxes
10′ x 10′ 100 sq ft Small bedroom 1 – 2 bedroom apartment contents, major appliances
10′ x 15′ 150 sq ft Large bedroom 3 bedrooms’ worth of furniture, couches, pianos
10′ x 20′ 200 sq ft One-car garage Contents of a 3 – 4 bedroom home and large boxes

Detailed Size Breakdown: What Actually Fits?

Small Storage Units

  • 5′ x 5′ (25 sq ft): Comparable to a spare closet. It is perfect for storing off-season clothing, sports equipment, holiday decorations, or business files.

  • 5′ x 10′ (50 sq ft): Comparable to a large walk-in closet. Excellent for individuals storing the contents of a studio apartment, including a queen-sized mattress set, a dresser, and several storage tubs.

Medium Storage Units

  • 10′ x 10′ (100 sq ft): Our most popular size, equivalent to half of a standard one-car garage. It easily holds the furniture and appliances from a one- or two-bedroom apartment.

  • 10′ x 15′ (150 sq ft): Slightly larger than a standard bedroom. It can accommodate the contents of a three-bedroom house or bulky items like a piano and large sectional sofas during home renovations.

Large Storage Units

  • 10′ x 20′ (200 sq ft): Equivalent to a standard one-car garage. This unit easily holds the contents of a fully furnished three- to four-bedroom home, including major appliances.

3 Quick Steps to Estimate Your Storage Needs

1.Inventory your belongings:

List your large furniture items and estimate your total number of moving boxes or bins.

2.Account for irregular shapes:

Identify items that cannot be stacked easily, such as bicycles or awkwardly shaped patio furniture.

3.Maximize vertical space:

Our storage units feature high ceilings. Stack your sturdiest boxes on the bottom to safely use the vertical space and save money on a smaller footprint.

 

Frequently Asked Questions (FAQs)

What size storage unit do I need for a 2-bedroom apartment?

A 10′ x 10′ unit (100 sq ft) is typically the ideal fit. It has enough room to hold mattresses, a couch, a dining table, appliances, and several stacks of medium boxes.

Can I store a king-sized mattress in a 5′ x 10′ unit?

Yes, but you must store it on its side. A standard king mattress (6.3′ wide x 6.6′ long) will fit inside a 5′ x 10′ unit, though it will take up significant floor space unless stood vertically.

Is it better to get a slightly larger unit?

If your inventory estimate is right on the boundary between two sizes, it is usually safer to size up. Having a little extra breathing room makes it much easier to organize your unit and access your items.

Ready to Book Your Unit?

Whether you are decluttering, relocating, or storing business inventory, Storage Inn has the perfect space for you. Contact us today or visit our Stanley Street or Prescott Street locations in Halifax to find your unit.