So, how much does a cubic yard of concrete cost? The price for a cubic yard of concrete can range from $125 to $200, but this is just an average. Many things can change this price. This post will help you figure out the exact cost for your project.
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Figuring Out Your Concrete Needs
Before you even think about price, you need to know how much concrete you need. This is where a concrete volume calculator or concrete calculator comes in handy. Getting your concrete yardage calculation right is crucial to avoid overspending or running out of material.
Measuring for Concrete
You’ll need to measure the area you want to fill with concrete. This usually involves length, width, and depth.
- Length and Width: Measure the longest and widest parts of your project area in feet.
- Depth: This is the thickness of the concrete you need. For most projects like patios or sidewalks, 4 inches is common. For driveways or areas that will hold heavier loads, you might need 6 inches or more.
Converting Measurements to Cubic Yards
The standard unit for ordering concrete is the cubic yard. However, you’ll likely measure your project in feet and inches. You need to convert these measurements.
Steps for Conversion:
- Convert all measurements to feet.
- Inches to feet: Divide the number of inches by 12. (e.g., 4 inches / 12 = 0.33 feet)
- Multiply Length (ft) x Width (ft) x Depth (ft). This gives you the volume in cubic feet.
- Convert cubic feet to cubic yards. There are 27 cubic feet in 1 cubic yard. Divide your cubic feet measurement by 27.
Example:
Let’s say you need a concrete slab that is 10 feet long, 10 feet wide, and 4 inches deep.
- Convert depth to feet: 4 inches / 12 = 0.33 feet
- Calculate cubic feet: 10 ft x 10 ft x 0.33 ft = 33 cubic feet
- Convert to cubic yards: 33 cubic feet / 27 = 1.22 cubic yards
It’s wise to round up to the nearest quarter or half yard to ensure you have enough. In this case, you’d likely order 1.5 cubic yards.
What Affects the Cost of Concrete?
The price of concrete isn’t just about the material itself. Several factors contribute to the final concrete pricing.
1. The Mix Design (Strength and Additives)
Concrete is made from cement, water, and aggregates (sand and gravel). The ratio of these ingredients, along with any additives, determines the concrete’s strength and properties.
- Strength (PSI): Concrete is rated by its compressive strength in pounds per square inch (PSI). Common strengths include:
- 2500 PSI: Often used for basic foundations or non-structural work.
- 3000 PSI: A good general-purpose concrete for sidewalks, patios, and driveways.
- 4000 PSI: Used for areas with heavier loads or more exposure to weather, like reinforced slabs or structural elements.
- Higher PSI mixes are available for specialized applications and cost more.
- Additives (Admixtures): These are ingredients added to the concrete mix to improve its performance. They can increase cost but are often essential.
- Air Entrainment: Helps concrete resist damage from freezing and thawing cycles. Crucial in colder climates.
- Water Reducers: Allow for a workable mix with less water, leading to stronger concrete.
- Accelerators/Retarders: Control the setting time of the concrete. Accelerators help it set faster in cold weather; retarders slow it down in hot weather.
- Fibers (Synthetic or Steel): Improve crack resistance and overall durability.
- Coloring Agents: For decorative concrete projects.
A stronger mix or a mix with specialized additives will increase the cost of concrete per cubic yard.
2. Delivery Costs and Distance
Ready mix concrete price includes delivery. The cost of delivery can vary significantly based on several factors:
- Minimum Order Requirements: Most ready-mix suppliers have a minimum order, typically 1 to 2 cubic yards. If your project is smaller than their minimum, you might still be charged for the minimum amount.
- Delivery Location: The distance from the batch plant to your job site is a major factor. The further away you are, the higher the delivery fee.
- Site Accessibility: If the delivery truck has trouble accessing your site (e.g., narrow streets, steep driveways, obstacles), there might be additional charges.
- Job Site Time: Trucks have a limited time at the job site before waiting charges apply. This can happen if the pour is delayed or if you have a very complex pour requiring careful placement.
- Boom Pump vs. Straight Chute: If you need a concrete pump to reach your pour location, this is an additional cost. Boom pumps are more expensive than a standard chute delivery.
3. Location (Regional Pricing)
Like most construction materials, the concrete cost per yard varies by region. Factors like the cost of raw materials, labor rates, and local market demand all play a role. A cubic yard of concrete in a high-cost-of-living area will generally be more expensive than in a lower-cost area.
4. Project Size and Complexity
- Volume: While the price per cubic yard might stay relatively consistent for larger orders, very small orders might have a higher per-yard cost due to minimums and handling.
- Pour Type: Simple, flat pours are easier and cheaper than complex pours that require intricate forms, multiple levels, or precise finishing.
5. Seasonality and Weather
- Cold Weather: Pouring concrete in cold weather requires special measures (heated water, admixtures, insulation) to ensure proper curing. This can increase the price.
- Hot Weather: In very hot weather, concrete can set too quickly. Retarders might be needed, and extra care must be taken to prevent premature drying.
6. Other Potential Costs
- Labor: If you’re not doing the concrete work yourself, you’ll need to factor in the cost of labor for forming, pouring, and finishing.
- Tools and Equipment Rental: If you’re doing the work, you might need to rent tools like concrete mixers, vibrators, or finishing tools.
- Reinforcement: Rebar or wire mesh is often used to strengthen concrete. The cost of these materials will add to the overall project expense.
Estimating Your Concrete Project Cost
Let’s break down how to get a reliable concrete price estimator for your needs.
Step 1: Determine Your Concrete Volume
Use the concrete calculator method described earlier. Measure your area accurately and convert to cubic yards, always rounding up.
Step 2: Research Local Suppliers
Contact several local ready-mix concrete suppliers. Ask them for their pricing for the type of concrete mix you need (PSI strength, any necessary additives). Be sure to inquire about:
- Price per cubic yard for your required mix.
- Delivery fees.
- Minimum order charges.
- Charges for boom pump or other special delivery equipment.
- Any potential surcharges for job site time or difficult access.
Step 3: Factor in Other Project Costs
Add in estimates for:
- Rebar or wire mesh.
- Formwork materials (lumber, stakes).
- Labor (if not DIY).
- Tools or equipment rental.
- Sealants or finishes.
Example Calculation: Patio Project
Let’s revisit our 10 ft x 10 ft patio slab with a 4-inch depth. We calculated this as needing 1.22 cubic yards, so we’ll order 1.5 cubic yards.
Assume:
- Concrete Mix: 3000 PSI, with air-entrainment for durability.
- Supplier Quote: $150 per cubic yard (including delivery for a small order).
- Reinforcement: Wire mesh for $50.
- Formwork: Lumber and stakes for $75.
- Labor (if hired): This can vary widely, let’s estimate $300-$500 for a simple patio pour and finish.
Estimated Cost Breakdown:
- Concrete: 1.5 cubic yards * $150/yard = $225
- Reinforcement: $50
- Formwork: $75
- Labor: $400 (mid-range estimate)
- Total Estimated Cost: $225 + $50 + $75 + $400 = $750
This example shows how to approach your own concrete cost estimator. Remember, always get quotes from multiple suppliers.
Understanding Concrete Mix Components
The final price and performance of your concrete depend heavily on its composition. Here’s a quick look at the basic ingredients and what they do:
- Cement: The binder that reacts with water to harden and hold the aggregates together. Portland cement is the most common type.
- Water: Activates the cement. The water-to-cement ratio is critical for strength – too much water weakens the concrete.
- Aggregates: These are the bulk of the concrete mix.
- Fine Aggregate (Sand): Fills the spaces between larger aggregates.
- Coarse Aggregate (Gravel or Crushed Stone): Provides strength and bulk. The size and type of coarse aggregate can influence the mix’s cost and performance.
The exact proportions of these, plus any admixtures, are determined by the specific mix design and will influence the ready mix concrete price.
Can I Pick Up Concrete Myself?
While some small operations might offer bagged concrete for DIY projects, ready mix concrete is delivered in large trucks and is not typically something you can pick up yourself unless you have specialized equipment like a truck mixer. The price quoted by suppliers generally includes delivery. If you have a very small project and can mix concrete on-site using a portable mixer, you would purchase bagged concrete mix. However, the cost per cubic yard of bagged concrete is significantly higher than delivered ready-mix concrete, and mixing large volumes this way is impractical.
Frequently Asked Questions About Concrete Costs
Here are some common questions people have when trying to figure out how much concrete do I need and its associated costs.
Q1: What is the average cost of concrete per cubic yard?
A1: The average concrete cost per yard typically falls between $125 and $200, but this is a broad range. The actual price depends on the mix strength, additives, delivery location, and the supplier.
Q2: How much extra concrete should I order?
A2: It’s standard practice to order about 10% more concrete than your calculated volume. This accounts for spillage, uneven subgrade, and form deflection. For example, if your concrete yardage calculation is 3 cubic yards, order 3.3 cubic yards (or round up to 3.5 cubic yards).
Q3: What is included in the price of ready-mix concrete?
A3: The ready mix concrete price typically includes the cost of the raw materials (cement, aggregates, water), mixing at the plant, and delivery to your job site via a concrete mixer truck. It generally does not include labor for pouring, finishing, or any specialized equipment like pumps unless specifically agreed upon.
Q4: How much does a concrete pump cost?
A4: The cost of a concrete pump can range from $200 to $500 or more per hour, depending on the type of pump (boom pump vs. line pump), the duration of use, and the location. This is an additional cost on top of the concrete and standard delivery.
Q5: Can I save money by using a cheaper concrete mix?
A5: While a lower-strength mix (e.g., 2500 PSI instead of 4000 PSI) might be cheaper per cubic yard, it’s not always a good saving. Using a mix that is too weak for the intended application can lead to premature cracking or failure, resulting in much higher repair or replacement costs down the line. Always select a mix appropriate for your project’s structural and environmental demands.
Q6: What happens if I order too little concrete?
A6: Ordering too little concrete is a common and costly problem. You’ll need to order a second delivery, which often incurs a significant surcharge. This “short load” fee can be more expensive than ordering the extra 10% initially. Furthermore, trying to join a new pour to an already partially set pour can lead to visible seams and weakness.
Q7: How do I find a reliable concrete supplier?
A7: Ask for recommendations from contractors or friends who have recently used concrete. Check online reviews and contact suppliers directly to ask questions about their products, services, and pricing. Ensure they are licensed and insured.
By carefully calculating your needs, researching local pricing, and considering all the contributing factors, you can get an accurate estimate for your concrete project and avoid unexpected costs.