📂 Volume of Rectangular Prisms
The Formula
V = l × w × h
1
Identify the length, width, and height of the box.
2
Multiply all three dimensions together: V = l × w × h.
3
Label your answer in cubic units (e.g. cu in, cu ft).
Fractions & Decimals
Same formula! Just multiply carefully.
Example: 4 × 6 × ½ = 12 cubic units
Word Problems
Partial fill: Find full volume first, then multiply by the fraction.
Find height: h = V ÷ (l × w)