How much topsoil do I need for 1000 sq ft?

For a 1000 sq ft lawn at 4 inches depth, you need approximately 12.35 cubic yards of topsoil. At 6 inches, you need about 18.5 cubic yards. Use the calculator above for precise estimates based on your exact measurements and soil type.

How much does a cubic yard of topsoil weigh?

A cubic yard of topsoil typically weighs between 1,000 and 2,500 pounds depending on moisture content and soil composition. Screened topsoil averages about 2,025 lbs per cubic yard (75 lbs/cu ft). Clay soil can weigh up to 2,538 lbs per cubic yard.

How much area does one cubic yard of topsoil cover?

One cubic yard of topsoil covers 324 sq ft at 1 inch deep, 162 sq ft at 2 inches, 108 sq ft at 3 inches, 81 sq ft at 4 inches, and 54 sq ft at 6 inches deep.

How many bags of topsoil in a cubic yard?

A cubic yard (27 cubic feet or 764.5 liters) equals approximately 15 bags of 50L topsoil, 19 bags of 40L, or about 27 bags of 25L. The exact number depends on the bag size.

How deep should topsoil be for a lawn?

For a new lawn, 4 to 6 inches of quality topsoil is recommended. For top dressing an existing lawn, 1/4 to 1/2 inch is sufficient. For vegetable gardens, 8 to 12 inches is ideal.

Topsoil Calculator — Calculate How Much Topsoil You Need in Cubic Yards, Feet & Meters

Our Mission

Topsoil Calculator exists to make soil estimation straightforward and accessible for everyone — whether you're a homeowner refreshing a tired lawn, a gardener building raised beds, or a landscaping professional bidding on your next job. We believe accurate material planning shouldn't require expensive software or complicated spreadsheets. Our tools are free, always will be, and are built to deliver professional-grade results in seconds.

What We Offer

A complete toolkit for planning your topsoil project from start to finish.

Free Calculator

Calculate topsoil volume, weight, bag count, truck loads, and cost. Supports 5 area shapes and 9 soil types with real-time results as you type.

Educational Content

Comprehensive topsoil guides, a glossary of key terms, and over 60 frequently asked questions — everything you need to make informed decisions.

Unit Converters

Instantly convert between length, area, volume, and weight units. Switch between imperial and metric measurements with a single click.

Privacy First

Every calculation runs entirely in your browser. We don't collect, store, or transmit any of your data. Your projects stay on your device.

Mobile Friendly

Fully responsive design that works flawlessly on phones, tablets, and desktops. Take the calculator out to the yard without any hassle.

Regular Updates

We continuously improve the calculator based on user feedback, adding new features, soil types, and expanding our educational resources.

Our Values

The principles that guide everything we build.

Accuracy

We use standard engineering formulas and industry-accepted density values to ensure every estimate is as close to reality as possible. Our goal is to reduce waste and save you money.

Accessibility

Professional-grade tools should be available to everyone, not just those with a budget for specialized software. Our calculator is and always will be free to use.

Transparency

We never hide how our calculations work. Every formula, density value, and assumption is documented so you can verify results and understand exactly what goes into each estimate.

Disclaimer

The results provided by Topsoil Calculator are estimates based on standard formulas and average soil density values. Actual quantities may vary due to soil moisture content, compaction, ground irregularities, and supplier-specific factors. We recommend ordering 5–10% more than the calculated amount to account for these variables.

Always consult with your topsoil supplier for precise quotes tailored to your specific project requirements. This tool is designed for planning purposes and should not replace professional site assessments.

About Topsoil Calculator