Why Fill Dirt Calculation Matters
Contractors know that time and budget are always on the line. When it comes to prepping a job site, few things can throw a project off schedule faster than misjudging how much fill dirt is needed. Too little? The job stalls. Too much? You’re stuck with piles of unused dirt — and wasted money.
Whether you’re filling a foundation, leveling a yard, or prepping a roadway, getting the volume right from the start helps keep your timeline intact and your costs under control.
Step 1: Measure Your Area
Start by measuring:
- Length in feet
- Width in feet
- Depth in feet (convert inches by dividing by 12)
Example:
Length = 30 ft
Width = 20 ft
Depth = 18 inches → 1.5 ft
Step 2: Use the Fill Dirt Formula
To calculate how much fill dirt you need in cubic yards, use this formula:
Length × Width × Depth ÷ 27 = Cubic Yards
Example Calculation:
30 × 20 × 1.5 = 900
900 ÷ 27 = 33.33 cubic yards
👉 Round up — you’d need 34 cubic yards of fill dirt.
Step 3: Account for Compaction
Fill dirt settles once it’s laid. For most jobs, you should add 10–15% extra to your volume.
34 cubic yards × 1.15 = 39 cubic yards needed
This helps ensure you don’t come up short once the dirt is compacted.
Step 4: Choose the Right Type of Fill Dirt
Not all dirt is the same. Your project determines the best type:
- Screened Fill Dirt – Best for precise leveling and landscaping
- Unscreened Fill Dirt – Great for volume-heavy jobs on a budget
- Clay-Based Fill – Best for structural compaction
Still not sure what you need? Call us — we’ll help you pick the right type for your project.
Step 5: Schedule Delivery
Don’t delay your crew. Indiana Topsoil offers:
- Same-day or next-day delivery
- Bulk pricing for contractors
- Clean fill dump sites
- Flexible scheduling
We deliver to job sites across Indiana, helping contractors stay on time and under budget.
Final Tips for Contractors
- Use a laser level for depth accuracy
- Always compact in layers
- Confirm local codes and slope requirements before you fill
- Call before you dig (mark underground utilities!)
Order Fill Dirt Today
We deliver high-quality, compactable fill dirt across Indiana. Whether you’re prepping a residential foundation or managing a large-scale grading project, we have the material and the trucks to keep your project moving.
📞 Call: (317) 727-5770
🌐 indianatopsoil.com
📍 Serving contractors statewide




