Our DIY Shed Cost Calculator can help you estimate the cost of building a shed based on the dimensions you want it to be and the sort of roofing you want it to have. This tool will teach you the fundamentals of building a shed as well as the many aspects that influence the quantity of materials required, and cost also.

In addition, you’ll learn how to calculate shed building material requirements for a flat-roof, slant-roof, or gable-roof structure. More calculators from the construction field you can find on our site, so make sure to check this suggested list of calculators that can help you with your home construction projects:

DIY Shed – What is it Used For?

When we say shed, what s the first thing that comes to your mind? The shed is a small, single-story roofed structure used for storage, hobbies, or as a workshop in a rear yard or on an allotment. Sheds range in size and complexity, from small open-sided shelters meant to protect bicycles or garden tools to massive wood-framed constructions with electrical outlets, shingled roofs, and windows.

Garden Shed
Garden Shed

So we have large and small sheds. Large sheds we can find on farms and in industries. The most common forms of shed construction are metal sheathing over a metal frame, plastic sheathing and frame, all-wood construction, and vinyl-sided sheds built over a wooden frame.

Building a shed provides us with more storage space for our belongings at home. A garden shed might be a fantastic match for you if you enjoy spending time caring for your lawn or outdoor plants, especially if you begin to invest in gardening gear.

Bike Storage Shed
Bike Storage Shed

For example, a lawnmower, shovels, rakes, and gardening goods such as fertilizer bags or river rock bags may all be stored in your little shed, and you may also need it to keep your bicycle and its accessories.

How to Build a Shed?

It might be difficult to build your shed, but it is a satisfying undertaking. Your tools and equipment can be stored in a shed or a garden shed. A new shed is also an excellent location to store work projects that don’t require too much space in the garage but offers you a lot of storage. Basically material is most important to have quality shed. The larger the shed is, we will have higher costs.

What is the best building material for a storage shed? Outdoor shelters are available in various materials, each with its own set of advantages and disadvantages. The most costly material is wood. Wood shelters are a durable and strong solution for properly storing and protecting lawnmowers, shovels, tools, motorcycles, and other items from the outdoors.

Protect your wood from the weather by extending the shed roof a foot on all sides. Furthermore, wood can be prone to harsh weather and insects despite its strength. Metal outdoor sheds offer durability at a low cost. Thus metal may be the finest material for your outdoor shed.

Basic steps in building a shed

  1. Building permission. Also, before installing your shed, you may need to get a construction permit, depending on your local building laws. It can cost, have that in mind.
  2. To support the shed, level the ground and lay deck piers in a grid. The piers will enable you to run support beams beneath the shed’s floor. To prevent your shed from water seeping up from the ground, you may choose to put it on a concrete slab.
  3. Support beams should be strung longitudinally across the deck piers. Your floor joists, which run the other way, will be supported by this. Metal straps with built-in nail holes are the easiest way to attach the beams to the piers.
  4. First, you need to connect the joists to the support beams and use blocking to divide them.
  5. To make the shed floor, nail plywood sheets to the joists. H-clips, which fit between two pieces of plywood and lock them together for added structural strength, should be used in addition to nailing the sheets into place if necessary.
  6. Construct the framework for each of the walls. The front and back walls differ from one another, and the side walls must slant.
  7. Build rafters across the roof and use blocking to divide them. These should extend beyond the shed’s walls to provide additional weather protection.
  8. To create the roof, nail plywood sheeting to the rafters. If you’ve increased the overhang, you’ll need to change the plywood pattern you used to cover the floor.
  9. Cover the walls with paper.
  10. Cover the roof with tar paper. Begin at the bottom of the roof slope and work your way up, making sure that each fresh layer of paper covers the one below it to prevent rain from leaking into the crevices.

Shed foundation

There are various shed foundations, but they may be categorized into two types: on-grade and frost-proof.

A floating foundation is another term for an on-grade foundation. This kind is seated straight on the ground. The advantage is that they are quick and simple to construct. This foundation type does not need the digging of holes or concrete pouring, and it is low cost.

Frost-proof foundations face more foundation issues than on-grade foundations, but they are significantly stronger and stay much longer. As a result, a frost-proof foundation is also known as a permanent foundation. While this foundation may be placed almost everywhere, it works best in locations where the temperature is colder and frost heave occurs, and they are higher-cost foundations.

What is the Total DIY Shed Cost – Formulas?

Sheds exist in various forms and sizes and may provide additional covered storage for garden tools or converted studio areas. The price of constructing a shed is determined by what you want to build, how you want to build it, and the costs of materials (and sometimes labor) in your location.

Keep in mind that this tool only offers an approximate estimate because various variables impact the precise cost, but it should give you an excellent starting point.

Formulas for calculating the total cost of DIY shed

To estimate the cost of a shed, first, find the floor area of the shed to determine the cost of flooring, then use the simple equation below:

Af =  {L \times W} 

Af – Floor area,

L – The length of the shed,

W – The width of the shed.

Then we may calculate the costs of the wall materials by calculating the entire wall area or square wall footage of the shed:

Aw =  {2 \times (L + W) \times H + (W \times R \times c) } 

Aw – Total area of wall,

L – The length of the shed,

W – The width of the shed,

H – The wall height,

R – The roof rise of the highest roof point from the wall height level,

c – Roof-type constant.

Finally, here is a roof area calculation equation that you may use to estimate the cost of your shed’s roofing:

Ar =  {S \times t \times ( L + 2 \times O) } 

Ar – Total roof area,

S – Rafter span,

t – Rafter constant,

L – The length of the shed,

O – The horizontal distance of roof extension or the roof overhang.

However, we must first determine the rafter span to compute the overall roof area. Fortunately, this tool also functions as a shed roof rafter span calculator, and this is the calculation we employed in this situation.

S =  \sqrt {\frac {(W+ 2 \times O)^2 + ( c \times R \times t \times (1 + 2 \times O / W))^2} {t}} 
Total \, Cost =   {Af \times Pf \times Aw \times Pw \times Ar \times Pr } 

Pf, Pw, and Pr – Prices per unit area of flooring, wall, and roofing.

Average cost per foot with table

The average costs of constructing a shed are expected to climb in 2021 as timber, and other building materials rise. In addition, a worldwide epidemic, which caused closures and disrupted supply lines, is still affecting building prices. The current average cost to build a shed is roughly $5,650, with projects ranging from $500 to $30,000.

4 foot x 7 foot$100 – $1000 USD
8 foot x 10 foot$300 – $3000 USD
10 foot x 12 foot$500 – $1000 USD
12 foot x 16 foot$2,500 – $15,000 USD+
Average costs per foot

DIY Shed Cost Calculator – How to Use?

After you’ve settled on the general design of your DIY shed, you’ll need to establish its size, so you know how much material you’ll need for your project. The next step is to estimate the expenses of your project. So here are some steps that you need to follow to estimate the costs of your DIY shed using our DIY shed cost calculator:

  1. Choose the sort of shed roof you want. We have three options: a flat roof, a tiled roof, or a gable roof. For standalone backyard shelters, flat-roof sheds and gable-roof buildings are preferable. On the other hand, Lean-to sheds are ideal for slant-roof buildings or sheds with a single slanted roof.
  2. Enter the size of your shed. These measurements include the length and breadth of your shed and the minimum height of its walls.
  3. The next step is to enter your desired roof rise. It may vary depending on the shed roof style you choose. This feature applies to both slant-roof and gable-roof shelters.
  4. The next step is to input the length of your roof’s overhang.
  5. Finally, you may calculate the cost of your DIY shed. Entering the price per area for each of these measurements.

Total Cost of a DIY Gable Roof Shed – Example

Square footage is not necessarily the best predictor of cost per size. This is because a shed can be taller or shorter. In addition, a lean-to on an existing building has a flat roof that is less expensive to build or has some kind of decorative roof.

For instance, while a 10′ x 12′ shed with a gable roof cost is roughly $6,000, it may cost less with a flat roof. However, if you wanted a much higher, two-story shed, the cost may be the same as the 16′ x 20′ shed since stairs, an additional floor, and more materials would be necessary. So, while these prices are a good starting point, your 12′ x 24′ shed may cost $14,400 or maybe $30,000, depending on how you design, finish and assemble the building.


Is it cheaper to buy or build your own shed?

Suppose you’ve been wondering if it’s cheaper to construct your shed, yes. It is less expensive to build your shed than to buy a pre-built shed.

How much does it cost to build a DIY shed?

So let’s say that the average cost of constructing a shed is $3,634, with most homeowners spending between $1,767 and $9,567.

Is it possible to build a shed for under $500?

Small-scale shed construction projects can be completed for as low as $363.

What is the cost to build a shed 10×12?

The materials only cost around $2,630 to create a 10×12 shed (if purchased from a big-box home improvement store).

How much does it cost to move a shed?

Locally, hiring someone to move a medium-sized shed might cost $200 and $500. The larger the shed, the cost will be higher.

How long does it take to build a shed?

The shed should be built in 4 to 6 days, depending on the size and number of employees.

How much material do you need for a DIY Shed?

Using the size suggestions of 4-foot measurements, calculating the number of sheets required is simple. If not, divide the shed’s width and length by 48 inches. Then, add another piece for each angled or gabled end.