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Easily calculate concrete volume for stairs with our free Concrete Stairs Calculator. Perfect for outdoor steps, landings, and accurate rise/run inputs.
Planning to build concrete stairs but unsure how much concrete you need? Our Concrete Stairs Calculator is a free, easy-to-use tool designed to help you estimate the exact volume of concrete required for your staircase project whether it’s for your backyard, front porch, or a staircase with a landing.
Whether you're a homeowner, contractor, or DIY enthusiast, this tool will save you time and money by providing accurate estimates using simple stair dimensions like rise, run, width, and number of steps. With an easy-to-read format and high readability score, this guide walks you through everything you need to know about calculating concrete for stairs.
A concrete stairs calculator is an online tool that helps users calculate the total volume of concrete required to build stairs. It works by taking key measurements such as the rise, run, width, number of steps, and if applicable, landing dimensions to determine how much concrete you’ll need in cubic feet, cubic meters, or cubic yards.
It simplifies stair construction planning and ensures you don’t overestimate or underestimate materials, helping you avoid waste and unexpected costs.
Using our calculator is simple:
Step 1: Enter the Stair Dimensions
Step 2: Click “Calculate”
The calculator will instantly show you the total volume of concrete required for your stairs.
Here’s the basic formula used to estimate the concrete volume for stairs:
For Steps Only:
Volume = Number of Steps × (Rise × Run × Width)
Make sure all values are converted to feet before calculation.
For example, if each step is 0.583 ft high (7 inches), 0.916 ft deep (11 inches), and the staircase is 3 ft wide with 6 steps:
Volume = 6 × (0.583 × 0.916 × 3)
Volume = 6 × 1.602 ≈ 9.61 cubic feet
If Landing Is Included:
Landing Volume = Landing Length × Landing Width × Landing Thickness
Total Volume = Steps Volume + Landing Volume
This standard ensures both safety and comfort. You can adjust based on space, but ensure all steps are uniform in size.
The average cost of concrete stairs is typically $100 to $300 per step, depending on complexity, materials, reinforcement, and labor. Outdoor concrete stairs with landings or decorative finishes may cost more.
Using the calculator helps you estimate concrete volume, which is the biggest factor in material cost. Then, you can multiply the total volume by the local price per cubic yard (usually around $125–$150 per yard) to get your material cost.
Building concrete stairs involves careful planning, especially when it comes to material estimation. Our Concrete Stairs Calculator takes the guesswork out of the process by giving you fast and accurate results. Whether you're building a set of outdoor concrete stairs, stairs with a landing, or a simple porch step, this tool ensures your project starts on a solid foundation.
Try the calculator today and experience how easy it is to plan your concrete stairs with confidence.
You need to multiply the rise × run × width of each step and then multiply that by the number of steps. For stairs with landings, include the landing’s volume as well.
Standard stair formula:
Total Rise ÷ Preferred Rise per Step = Number of Steps
Run × Number of Steps = Total Run
Use this formula:
Square Feet = Number of Steps × Run × Width
(Only measures surface area, not volume)
Yes, our outdoor concrete stairs calculator is perfect for steps leading to patios, porches, decks, or gardens.
Yes, it is highly accurate when the correct dimensions are entered. Always double-check your measurements for best results.