建筑
即时、私密且免费
混凝土计算.
板、基础和立柱的混凝土体积
此计算器尚未完全翻译——部分文本以英文显示。
设备端计算无需注册
01
输入数值
输入时结果会更新。
02 / 答案
Cubic Yards: 1.85
Cubic Feet: 50
Cubic Meters: 1.42
40lb Bags: 167
60lb Bags: 112
80lb Bags: 84
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Cite this calculator
Canonical URL: https://mathify.one/zh/construction/concrete
Cite as: Mathify. (2026). 混凝土计算. https://mathify.one/zh/construction/concrete
Use Cases
Slab Foundation Planning
Determine the amount of concrete needed for a patio, driveway, or house foundation slab.
Example: A 20 ft x 10 ft slab with 4-inch thickness requires about 2.47 cubic yards.
Footing and Column Estimation
Calculate concrete volume for structural footings or support columns to ensure you order the right amount.
Example: A 2 ft x 2 ft footing with 1 ft depth needs 0.15 cubic yards.
Frequently Asked Questions
- How does the concrete calculator work?
- Enter the dimensions of your slab, footing, or column (length, width, and depth/height) and the calculator computes the volume in cubic yards or cubic meters, depending on your selected unit.
- What units does the calculator support?
- The calculator supports both imperial (feet, inches) and metric (meters, centimeters) units. You can switch between them to get volume in cubic yards or cubic meters.
- Can I calculate concrete for multiple shapes at once?
- No, this calculator is designed for one shape at a time. For multiple elements, calculate each separately and sum the volumes.
Tips & Common Mistakes
Tips
- Always measure in the same unit system (imperial or metric) to avoid conversion errors.
- Add 5-10% extra to your order to account for spillage, uneven subgrade, or slight over-excavation.
- For irregular shapes, break them into smaller rectangles or circles and calculate each separately.
- Double-check your depth/height measurements, as small errors can significantly affect volume.
Common Mistakes to Avoid
- Mixing units (e.g., feet for length and inches for depth) without converting, leading to incorrect volume.
- Forgetting to convert thickness from inches to feet (e.g., 4 inches = 0.333 feet) when using imperial units.
- Not accounting for waste or over-excavation, resulting in a shortage of concrete on site.
Last updated: August 13, 2026