Pressure Treated Lumber Calculator
Estimate pressure treated deck boards needed for a given deck size.
Compare Your Options And Get Clear Answers
Estimate pressure treated deck boards needed for a given deck size.
Pressure Treated Lumber 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.
Pressure Quick Guide
Typical values for reference.
| Board | Actual Width | Per Foot of Deck | Note |
|---|---|---|---|
| 5/4×6 | 5.5 in | 2.1 rows | Standard |
| 2×6 | 5.5 in | 2.1 rows | Thick |
| 2×4 | 3.5 in | 3.4 rows | Narrow |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Pressure Treated Lumber Calculator FAQ
Answers to common questions about this calculator.
Deck width divided by board width plus gap, times rows of boards.
It gives a quick estimate of pressure treated lumber 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.