How To Calculate Storage Size With AI (5x5, 10x10 And More)

The fastest way to know what size of storage you need is to upload photos of your belongings to MyStorage’s free AI Size Estimator, which estimates the volume in cubic metres (m³), and then compare the result with units from 1 to 23 m³. If you are used to US unit names such as 5x5 or 10x10, this guide converts them to m² and m³ so you can pick the right unit.

To find the storage size you need, estimate the volume of your belongings in cubic metres and choose a unit slightly larger to leave an aisle. The quick way is to upload photos to the AI Size Estimator; the manual way is length × width × height of your stack. US sizes convert as follows, assuming an 8 ft (about 2.44 m) ceiling: a 5x5 ft unit is about 2.3 m² or 5.7 m³, and a 10x10 ft unit is about 9.3 m² or 22.7 m³. MyStorage units range from 1 to 23 m³ (see the unit size guide).

The tool is free. Photograph the items you plan to store, upload them below (JPEG, PNG or WebP, up to 10 MB each), press Start AI Scan to see the estimated volume, then contact MyStorage for advice on the right unit and a free quote.

1. What Is Storage Size and How to Calculate It in m³

Storage size is the volume you need to rent, calculated in cubic metres (m³) as length × width × height of your stack, plus room for an aisle. Measuring in m³ is more accurate than m² because goods are stacked; US sizes such as 5x5 and 10x10 are converted further down.

Why Measure in m³ Instead of m²

Storage size is the amount of space you need to rent to hold all your belongings. In Vietnam it is usually given in cubic metres (m³); in the United States units are named by floor size in feet, such as 5x5 or 10x10. Cubic metres include height, which matches how goods are stacked in a unit, while floor area (m² or square feet) only describes the surface. Two units with the same 5 m² floor but different heights hold very different amounts; see our comparison of renting by m³ and by m².

Renters usually pick the wrong size for four reasons:

• Guessing by eye: looking at the pile at home and guessing, instead of adding up the volume of each group of items.
• Thinking only of floor area: forgetting that goods can be stacked high, or that bulky items cannot be stacked at all.
• Missing large items: beds, wardrobes, sofas, fridges and bicycles often take more room than expected.
• Not leaving an aisle: a unit packed wall to wall makes it hard to reach items at the back, so you need more volume than the total volume of your goods.

Rent too little and you have to swap units or rent a second one; rent too much and you pay every month for empty space. So estimate the volume first, then use the Check Price tool to see the price for the exact size.

Calculate Storage Size Yourself with a Formula

The formula: volume (m³) = length × width × height in metres. If you measure in feet, multiply by 0.3048 to get metres, or divide cubic feet by 35.3 to get m³. The example below uses assumed dimensions to show how to add things up:

The total is about 5.3 to 5.8 m³, but you need an aisle, so a 7 m³ unit is the safer choice than a 5 m³ unit in this example. Calculating by hand works when you have only a few large items; with many mixed items, the AI tool is faster.

2. How to Use the AI Size Estimator to Calculate Storage Size

Upload photos of your belongings to the AI Size Estimator, press Start AI Scan and read the estimated volume in m³; the tool is free and accepts JPEG, PNG and WebP photos of up to 10 MB each. Clear, well-lit photos with an object for scale give better results.

Three Steps to Use the Tool

The AI Size Estimator (SmartSize AI) is MyStorage’s tool that analyses photos of your belongings to estimate the storage volume in m³ and suggest a suitable unit. It has three steps:

1. Upload: choose JPEG, PNG or WebP photos of up to 10 MB each; you can add several photos at once (up to 10).
2. Analyze: press Start AI Scan so the AI identifies the items in your photos.
3. Results: read the estimated volume and suggested unit, then compare with the price table.

Three Tips for Better Photos

• Show each item clearly: items must be clearly visible so the AI can identify them.
• Use good lighting: bright photos help the AI tell items apart more accurately.
• Include a familiar object for scale: such as a water bottle, to give the AI a size reference.

For large items such as wardrobes, sofas or beds, take photos from several angles, and photograph separately anything you will take apart.

Limits of the Estimate

The result is an estimate, not a measurement. The tool only counts items that appear in your photos, so anything you did not photograph is not added. Accuracy depends on photo quality and how you load the unit. Leave an extra aisle, check against the largest item you own and confirm with MyStorage staff before signing, especially when your volume sits close to the boundary between two unit sizes.

3. 5x5 and 10x10 Storage Unit Sizes in m² and m³

A 5x5 ft unit is about 5.7 m³ and a 10x10 ft unit about 22.7 m³ (8 ft ceiling), close to MyStorage’s 5 to 8 m³ units and its largest 23 m³ unit. The table below also converts 5x10, 10x15 and 10x20 and shows typical contents.

Conversion Table From Feet to Metric

In the United States, storage units are usually named by floor size in feet, for example 5x5 (5 ft × 5 ft). The table converts them to metric units and suggests the nearest MyStorage unit. Volume assumes an 8 ft (about 2.44 m) ceiling; real ceilings differ from one facility to another.

How to convert: 1 ft = 0.3048 m, so 1 sq ft ≈ 0.093 m² and 1 cu ft ≈ 0.0283 m³. MyStorage sizes units in m³, not feet, so this table is only a reference; choose by the volume of your belongings. For volumes above 23 m³, read our comparison of containers, storage units and warehouses for businesses.

What Fits in a 5x5 Storage Unit?

A 5x5 ft unit has a volume of about 5.7 m³ (with an 8 ft ceiling), between MyStorage’s 5 m³ and 7 m³ units. Counted in medium cartons (about 8 to 10 per m³), 5.7 m³ is about 46 to 57 cartons. Counted in the standard boxes of MyStorage’s Size Guide (6 per m³), it is about 34 boxes, because the two counts use different box sizes.

A unit this size usually holds one person’s seasonal items, a few small pieces of furniture or the stock of a small shop. For reference, 2027 prices on the flexible plan for standard storage, excluding VAT: a 5 m³ unit costs about 1,796,000 – 1,984,000 VND (about US$70–77) per month and a 7 m³ unit about 2,612,000 – 2,886,000 VND (about US$101–112) per month. These are billed in VND; the figures in brackets are approximate conversions, and exchange rates move. Check the exact price with Check Price; the full table is in mini storage prices in Ho Chi Minh City.

What Fits in a 10x10 Storage Unit?

A 10x10 ft unit has a volume of about 22.7 m³ (8 ft ceiling), close to MyStorage’s largest 23 m³ unit. In medium cartons (8 to 10 per m³) that is about 182 to 227 cartons; in the standard boxes of the Size Guide (6 per m³) about 136. Stacked as pallets, 22.7 m³ is about 15 to 16 pallets 1.2 m high (each about 1.44 m³), before any aisle.

According to MyStorage’s Size Guide, a 17 m³ unit holds the contents of a 2 to 3 bedroom apartment, so a size near 23 m³ suits a family moving house or a business storing stock, equipment or office items. For units of 10 m³ and above, the price depends on the actual size, so use the Check Price tool or ask for a quotation rather than inferring it from the smaller sizes.

4. Benefits of the AI Size Estimator and Who It Suits

The AI Size Estimator lets you estimate volume without measuring every item, helps you avoid renting too much or too little, and suits families, businesses, online sellers and anyone storing personal items. The tool is free.

Benefits of Using the AI Size Estimator

Four main benefits of using the tool before you choose a unit:

No Need to Measure Every Item

You only need to photograph your belongings instead of measuring and adding up each item, so people who are not used to calculating can still estimate the volume.

Avoid Paying for Empty Space

Knowing the volume early helps you choose a unit close to what you need. An illustrative example: a family plans to rent a 10 m³ unit for their belongings during a renovation; after estimating, they find that 7 m³ is enough if they take some furniture apart and stack it properly. On the 2027 reference prices (flexible plan, standard storage, excluding VAT), a unit of 10 m³ or more costs about 3,533,000 – 3,905,000 VND (about US$137–152) per month and a 7 m³ unit about 2,612,000 – 2,886,000 VND (about US$101–112) per month, a difference of about 921,000 to 1,019,000 VND (about US$36–40) per month.

Use It Anywhere, Any Time

The tool runs on the web, so you can open it on your phone and pick photos from your gallery.

Decide How to Load the Unit to Reduce m³

Once you know the total volume, you can consider taking tables, chairs, beds and wardrobes apart, stacking cartons of the same size and keeping bulky items against the wall to reduce the volume you need to rent.

Who Is the AI Size Estimator For

• Families renovating or moving: need to know exactly how many m³ their belongings take; see our guide to storing belongings during a renovation.
• Businesses and offices relocating: need to estimate files, equipment and furniture; see office moving and storage services.
• Online sellers: need to choose a unit by the number of cartons in stock; see storage for online sellers.
• People storing personal items: seasonal items, things they rarely use or luggage; see personal mini storage.

5. Send Photos of Your Items to Get a Size Estimate and a Quote

The quickest way to choose a unit and know the price is to send photos of your belongings to MyStorage right after using the tool. The tool is free and you do not need to measure every item.

1. Photograph the items you want to store: each one clearly, in good light, with a familiar object such as a water bottle for scale.
2. Upload the photos to the AI Size Estimator and note the estimated volume.
3. Contact MyStorage and send the result or the photos to get advice on the right unit and a free quote.

What to Send So the Quote Fits Your Needs

• The estimated volume from the tool, or photos of your belongings.
• The type of items: household goods, business stock, or records and paperwork.
• Anything sensitive to temperature or humidity (consider an air-conditioned unit).
• How long you expect to rent and how often you will take items out.
• Whether you need transport and handling.

How to Contact MyStorage

• Contact page: request a quote.
• Phone: 028 7770 0117.
• Email: hello@mystorage.vn.

The tool’s result is an estimate, so let MyStorage staff confirm the unit size before you decide. The actual price depends on the unit size, the rental term and the services included; you can also see reference prices with the Check Price tool.

6. Frequently Asked Questions

The questions below quickly answer how to calculate storage size, how to convert 5x5 and 10x10 to m³, how to use the free AI Size Estimator and how to get a quote.