Finding the Right Tarp Size
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Time to read 1 min
Step 1: Measure Your Item or Area
For Flat Surfaces (e.g., floors, walls):
- Measure length x width
- Add 6–12 inches on each side for securing/overlap if needed
For 3D Objects (e.g., machinery, trailers):
- Top Measurement : Length x Width of the top
- Side Drape : Decide how far down the tarp should hang
- Add side drape to each side:
- Total tarp length = Top length + 2 × Drape
- Total tarp width = Top width + 2 × Drape
📌 Example : If you have a machine 6’L x 4’W and want 1.5’ side coverage:
- Order a tarp ~9’L x 7’W
Step 2: Identify Your Purpose

Step 3: Understand Cut Size vs. Finished Size
Most tarps are sold as cut size , which is the pre-hemmed dimension. After hemming, tarps are usually 3–5% smaller , or up to 6–12 inches less than labeled.
✅ Sara Glove Tip: Always round up to the next size and allow for shrinkage or loss in hemming—especially for custom fits.
Step 4: Consider Fittings & Accessories
To ensure your tarp functions well:
Grommets
- Look for tarps with grommets spaced every 18–36 inches
- For extra hold, you can install additional grommets yourself
Ropes/Straps
- Most tarps do not come with ropes
- Choose ratchet straps for heavy-duty use, or simple rope/bungee cords for lightweight covers
Extras
- Consider pockets for poles, zippers for enclosures, or Velcro flaps for added usability
Step 5: Choose the Right Material
Not all tarps are created equal! Whether you need something breathable, waterproof, lightweight, or ultra-durable, selecting the right material is just as important as picking the right size. From poly to vinyl , canvas , and beyond—each has its own strengths based on your use case.
👉 Read our guide on choosing the right tarp material to find out which one is best for your job.

Step 6: Standard vs. Custom Sizes
Sara Glove carries a wide range of standard sizes like:
- Small: 6’x8’, 8’x10’
- Medium: 10’x12’, 12’x16’
- Large: 20’x30’, 30’x40’
- XL: Up to 100’x100’
For custom sizes , reach out to our team and we’ll help build a tarp to your exact specs.
Final Tips Before You Order
- Measure twice , order once
- Go larger if unsure—too big is better than too small
- Think about weather , fasteners , and how often you'll be using it
Need help picking the perfect tarp? Call us or send a chat describing what you’re covering—we’re happy to guide you step-by-step.
Protect what matters with confidence.
Choose SaraGlove.com for tarps that work as hard as you do. 💪