Concrete Weight Calculator
Estimate concrete mass from measured volume while keeping the material density explicit.
- Concrete volume
- 33.33 ft³ (1.23 yd³)
- Density used
- 145 lb/ft³
- US tons
- 2.42
- Total weight
- 4,833.3 lb
Density is user-supplied and wet versus cured concrete can differ. This estimate is not approval for lifting, hauling, shoring, or structural loads.
Show calculation
10 ft × 10 ft × 4 in ÷ 12 × 1 × 145 lb/ft³ = 4,833.3 lbTransparent method and editable product assumptions. Verify current labels and project requirements.
How this calculator works
The entered rectangular volume is converted to cubic feet and multiplied by the number of matching sections. An editable density then produces mass.
Wet concrete, normal-weight cured concrete and lightweight mixes do not share one exact density. The default is only an editable example and should be replaced when a product value is available.
Use verified weights and professional planning for demolition, rigging, trucking, shoring or structural loads.
Formula
Weight = length × width × thickness × quantity × densityThe live result shows volume, density, pounds and tons.Control example: 10 × 10 × 4 in slab
The volume is 33.33 ft³. At 145 lb/ft³, multiply volume by density.
Estimated weight is 4,833.3 lb, or about 2.42 US tons.
Assumptions and limits
- Measure the actual concrete geometry and use a density for the selected mix and wet or cured condition.
- Measurements describe one simple project geometry.
- Waste and package values are editable planning assumptions.
- It is not a certified scale ticket, payload approval, crane plan, demolition plan, shoring design, or structural load determination.
Common measuring mistakes
- Mixing nominal dimensions with actual installed coverage.
- Skipping whole-package or stock-length rounding.
- Failing to verify the page’s stated measurement and product assumptions.
- Using a planning estimate outside the limitations stated on this page.
Sources
Product-specific values remain editable. These sources support the method and stated examples; they are not a universal substitute for your supplier’s current label.
- Portland Cement Association concrete materials Explains that concrete properties and unit weight depend on constituent materials and mixture.
- GQ Calc methodology Documents geometry, unit conversion, rounding and user-supplied material assumptions.
Questions people ask
What does the Concrete Weight Calculator calculate?
Calculate concrete weight in pounds, kilograms, and US tons from slab dimensions, quantity, and an editable wet or cured density.
How does this concrete weight calculator work?
Weight = length × width × thickness × quantity × density
Which measurements should I enter?
Measure the actual concrete geometry and use a density for the selected mix and wet or cured condition.
Does the estimate include every project requirement?
No. It is not a certified scale ticket, payload approval, crane plan, demolition plan, shoring design, or structural load determination.
Can I use metric measurements?
Yes. Switch to Metric above the form. The calculator converts the displayed measurements while keeping the same geometry and whole-item rounding.