Weight & Conversion Calculators
Convert between weight, volume, and area for all stone types.
Stone Weight Calculator
Estimate the total weight of stone needed based on volume and material type.
Stone Tonnage Calculator
Calculate the total tonnage of stone required for purchasing.
Stone Slab Weight Calculator
Calculate the weight of individual stone slabs for transport and placement.
Kg to Stone Calculator
Convert weight from kilograms (kg) to the traditional stone (st) unit.
Pounds to Stone Calculator
Convert weight from pounds (lbs) to the traditional stone (st) unit.
Stone to Kg Calculator
Convert weight from the traditional stone (st) unit to kilograms (kg).
Stone to Pounds Conversion Calculator
Convert weight from the traditional stone (st) unit to pounds (lbs).
Kg to Lbs to Stone Calculator
A comprehensive tool to convert between kilograms, pounds, and stone.
Stone Pounds to Kilos Conversion
Convert weight from stone and pounds to kilograms (kg).
The Importance of Weight Conversion in Material Planning
The Importance of Weight Conversion in Material Planning
When purchasing bulk materials like sand, gravel, or stone, suppliers often sell by weight (tons) rather than volume (cubic yards). Understanding the relationship between weight and volume is essential for accurate ordering. The key factor is bulk density, which can vary significantly between different materials and even change based on moisture content. Our weight conversion calculators simplify this process, allowing you to seamlessly switch between units.
Whether you're ordering a truckload of gravel calculated with our aggregate estimators or planning a large-scale project with our landscape construction tools, converting to the supplier's unit of sale ensures you get exactly what you paid for. This is particularly crucial for heavy materials used in structures like retaining walls, which you can plan using our wall and patio calculators.
Choosing the Right Tool for Your Job
An accurate estimate is the foundation of a successful project. Learn how our specialized calculators can help you plan with confidence.
For Understanding Materials
The type of stone you choose dramatically impacts your project's stability, appearance, and required quantity. A cubic yard of dense sand weighs far more than porous gravel. To understand these differences and get accurate estimates based on specific material properties, explore our suite of Aggregate & Stone Estimators.
For Specific Projects
Every project is unique. Building a heavy-duty driveway requires a much deeper base than a decorative garden path. Our project-specific tools are pre-configured to handle the unique demands of your job, whether it's a foundation, backfill, or landscaping feature. For these tailored solutions, use our specialized Landscape & Construction Calculators.
For Complex Builds and Finishes
Projects like paver patios, retaining walls, and stone veneers involve multiple components, from base layers and mortar to the finishing materials themselves. These jobs require more than a simple volume calculation. For these multi-faceted projects, our Wall, Patio, & Specialty Calculators provide the comprehensive estimates you need.
Frequently Asked Questions
Why do I need to convert cubic yards to tons?
Most sand and gravel suppliers sell their products by weight in tons. If you calculate your project's needs in cubic yards (volume), you will need to convert that measurement to tons (weight) to place an accurate order and ensure you receive the correct amount of material.
How much does a cubic yard of wet sand weigh compared to dry sand?
Water is heavy, so wet sand weighs significantly more than dry sand. A cubic yard of dry sand might weigh around 2,600 pounds, while the same volume of wet sand could weigh over 3,000 pounds. It's crucial to know the moisture condition when converting.
What is a typical density for common landscaping stones?
The density of landscaping stone varies, but a common rule of thumb is approximately 1.3 to 1.5 tons (2,600 to 3,000 pounds) per cubic yard. Granite is denser and heavier than lighter stones like sandstone or limestone.
Is it more accurate to order materials by weight or by volume?
Ordering by weight is generally more accurate and is the industry standard for suppliers, as volume can be affected by how loosely the material is packed. However, you will typically calculate your needs based on the volume required to fill a specific space.
How can I find the specific density of my material?
The best way to find the specific density is to ask your material supplier. They will have accurate data for the products they sell. Our calculators also provide common estimates for a wide range of materials.
Do these calculators account for material compaction?
Our conversion calculators provide the direct mathematical conversion between volume and weight. Compaction should be accounted for separately when you are first calculating the volume of material needed. You can use our aggregate estimators for that initial step.