There's no single "liquid volume formula" because the way you calculate volume depends on the shape of the container holding the liquid. Here are some common formulas for different shapes:

1. Cube or Rectangular Prism:

* Volume = length × width × height

2. Cylinder:

* Volume = π × radius² × height

* π (pi) is approximately 3.14159

3. Sphere:

* Volume = (4/3) × π × radius³

4. Cone:

* Volume = (1/3) × π × radius² × height

5. Pyramid:

* Volume = (1/3) × area of base × height

* The base can be any shape, like a square, rectangle, triangle, etc.

Important Notes:

* Units: Make sure all measurements are in the same unit (e.g., centimeters, meters, inches) before calculating volume. The resulting volume will be in cubic units (e.g., cubic centimeters, cubic meters, cubic inches).

* Irregular Shapes: If the container holding the liquid has an irregular shape, you may need to use displacement methods or more advanced calculus techniques to calculate its volume.

Let me know if you have a specific shape in mind and I can give you the formula for that.