Tarp Size Calculator

Tarp Size Calculator

Tarps are versatile and essential tools for protecting various items from the elements. They come in different sizes, materials, and thicknesses, each suited for specific purposes. Whether you need a tarp for camping, covering equipment, or creating a temporary shelter, choosing the right size is key to ensuring effective protection.

2. Measuring for the Right Tarp Size

Flat Surfaces

When covering flat surfaces like floors or walls, measuring is straightforward. Use a tape measure to determine the length and width of the area you need to cover. Ensure you add extra material for overhang to prevent water from seeping underneath the tarp.

Three-Dimensional Objects

For three-dimensional objects, the process is slightly more complex. Here’s a step-by-step guide:

  1. Measure the Top Surface: Measure the length and width of the top surface of the object.
  2. Account for Height: Measure the height of the object from the top to the ground.
  3. Calculate Overhang: Add the height measurement twice to both the length and width to account for the drape on all sides.

For example, if you need to cover a lawnmower that is 2 meters long, 1 meter wide, and 1 meter high, you would calculate the tarp size as follows:
Tarp Length=2+(1×2)=4 metersTarp Length=2+(1×2)=4 meters
Tarp Width=1+(1×2)=3 metersTarp Width=1+(1×2)=3 meters

Cut Size Considerations

Tarps are often sold based on their "cut size," which is the size before hemming and seaming. The finished size can be up to 30 centimeters shorter. Always factor this in when choosing your tarp size to avoid shortfalls.

3. Understanding Tarp Materials

Poly Tarps

Polyethylene (poly) tarps are lightweight, waterproof, and resistant to UV rays. They are ideal for temporary shelters, covering equipment, and general outdoor use. Poly tarps come in various thicknesses, measured in mils (one-thousandth of an inch). Thicker tarps offer better durability and protection.

Canvas Tarps

Canvas tarps are made from heavy-duty cotton and are breathable, making them suitable for covering items that need ventilation, such as firewood or machinery. They are not completely waterproof but can be treated to resist water.

Vinyl Tarps

Vinyl tarps are the most durable and are often used in industrial applications. They are waterproof, resistant to chemicals, and can withstand extreme weather conditions. Vinyl tarps are heavier and more expensive but offer superior protection.

4. Standard Tarp Sizes

Tarps come in a variety of standard sizes. Here are some common dimensions and their typical uses:

Tarp Size (feet)Common Uses
6 x 8Small equipment covers, ground sheets
8 x 10Camping, small shelters
10 x 12Medium-sized equipment, tents
12 x 16Large shelters, vehicle covers
20 x 30Construction sites, large equipment

5. Custom Tarp Options

If standard sizes do not meet your needs, consider ordering a custom tarp. Custom tarps can be made to your exact specifications, ensuring a perfect fit. This is particularly useful for irregularly shaped objects or specific applications like covering a unique piece of machinery.

6. Practical Applications

Camping

For camping, the size of the tarp depends on the number of people and the intended use. A 10 x 10 feet tarp is generally sufficient for two people. For larger groups or additional gear, consider a 12 x 16 feet tarp.

Gardening

Gardeners use tarps to protect plants from frost, control weeds, and provide shade. A heavy-duty canvas tarp is ideal for these purposes. The size will depend on the area you need to cover, but a 10 x 12 feet tarp is a good starting point.

Construction

In construction, tarps are used to cover building materials, create temporary shelters, and contain debris. Heavy-duty poly or vinyl tarps are recommended. Sizes can vary, but a 20 x 30 feet tarp is commonly used for large projects.

Transport and Storage

For transporting and storing items, the tarp size should be slightly larger than the items being covered to ensure complete protection. Measure the length, width, and height of the items and add extra material for overhang.

7. Conclusion

Choosing the right tarp size involves careful measurement and consideration of the intended use and material. By following the guidelines in this comprehensive guide, you can ensure that you select a tarp that provides optimal protection and durability for your specific needs.

Whether for camping, gardening, construction, or storage, the right tarp can make all the difference in safeguarding your belongings from the elements. By understanding the various factors involved in selecting a tarp, you can make an informed decision that meets your requirements.

Remember to consider the material, thickness, and size, and don't hesitate to opt for custom tarps if standard sizes don't fit your needs. With the right tarp, you can ensure your belongings are well-protected in any situation.

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