Rex says
The fast lane for the math you almost remember from school. Type the numbers, get the answer, move on with your day.
Try a scenario
Click to load — tweak from there.Inputs
Result
Volume
30.0000
Psst — share this and help Rex grow
One click, a permanent link with your numbers baked in.
How to use this
- 1Enter shape.
- 2Enter dim 1 (length / radius).
- 3Enter dim 2 (width / height, sphere ignores).
- 4Enter dim 3 (height for box).
- 5Read your volume on the right — it updates as you type.
- 6Hit Share to keep the scenario or send it to someone.
About this calculator
Computes volume for the three most common 3-D shapes.