Prismoidal Volume Calculator
Calculate earthwork volume with the prismoidal formula from end and mid-section areas.
Compare Your Options And Get Clear Answers
Calculate earthwork volume with the prismoidal formula from end and mid-section areas.
Prismoidal Volume Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Prismoidal Quick Guide
Typical values for reference.
| Method | Formula | Accuracy | Use |
|---|---|---|---|
| Prismoidal | L/6 (A1+4Am+A2) | High | Exact for prisms |
| Average end area | L (A1+A2)/2 | Medium | Quick |
| Simpson | Same as prismoidal | High | Multiple |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Prismoidal Volume Calculator FAQ
Answers to common questions about this calculator.
Volume = L/6 times (A1 + 4Am + A2).
It gives a quick estimate of prismoidal volume from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.