Concrete Weight Calculator

Your details

Gravel concrete (normal weight) is the most common. Reinforced concrete includes embedded steel rebar.
ft
ft
Enter thickness in inches (imperial) or centimetres (metric).
in
Used to estimate how many bags of ready-mix concrete you need to purchase.
Enter a price to see a total material cost estimate. Leave at 0 to skip.
USD
Industry standard is 5-10% extra to account for spillage and uneven sub-base.
Weight
10,505.4lb

Total weight of concrete in pounds

Weight4,765.2kg
Weight4.765tonnes
Volume70ft³
Volume1.982m³
Bags needed156
Weight (kg)4,765.2
Volume (m³)1.982
Bags needed156

Your slab weighs 10505 lb (4765 kg).

  • This slab of gravel concrete weighs about 4.77 metric tonnes, equivalent to roughly 5.3 US tons.
  • You will need approximately 156 bags (60lb size) to fill this form, including a 5% waste allowance.
  • Structural load calculations should account for reinforcement, form weight, and any dynamic loads. Always consult a structural engineer for load-bearing elements.

Next stepEnter a price per bag above to get a material cost estimate for your order.

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