Gravel Calculator

Estimate area, volume, weight, and cost. Price per mass and price per volume stay coupled through density.

Gravel Specification

Gravel type

Custom density

Density unit

Using density: —

How much gravel do I need?

Enter dimensions, or enter area directly. Then add depth, or enter volume directly. Weight can also be entered directly.

Length

Width

Area

If you edit Area directly, it becomes the source instead of Length × Width.

Depth

Volume needed

Weight needed

How much will the gravel cost me?

Price per unit of mass

Currency

Price per unit of volume

Total cost

—

Edit either price field. The other side updates automatically from the current density and units.

After the first calculation, changing any input or unit recalculates automatically.

Step-by-step derivation

Enter your values, then click Calculate.

References

Area: A = length × width
Volume: V = A × depth
Weight: W = ρ × V
Price coupling: (Currency/volume) = (Currency/mass) × ρ, with proper unit conversions

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