WOODWORKING TOOLS & REFERENCES

Woodworking Calculators & Practical Lumber References

Calculate with confidence. Explore free woodworking calculators, lumber size charts, and practical guides to help you plan projects with clearer measurements.

Explore Calculators

Find the measurements you need with straightforward calculators and clear explanations.

Board Foot Calculator

Calculate lumber volume from thickness, width, length, and quantity. Ideal for estimating board feet before buying or planning materials.

Calculate Board Feet

Stair Calculator

Plan a straight staircase with calculated riser height, tread depth, step count, and total run.

Calculate Stairs

Roof Pitch Calculator

Convert roof rise and run into pitch, angle, and percentage slope. Understand the geometry behind common roof measurements.

Calculate Roof Pitch

Material References

Nominal vs Actual Lumber Sizes

A 2×4 isn't actually 2 by 4 inches. Compare common lumber dimensions in inches and millimeters, and understand the difference between nominal and actual sizes.

View Lumber Sizes

Construction Guides

How to Layout Stair Stringers

Learn how to plan a straight stair stringer layout, from measuring total rise to marking the cuts and checking the finished dimensions.

Read the Guide

Why SevWood?

Clear Calculations

Understand the measurements behind each result, with formulas and worked examples.

Practical References

Use dimension charts and explanations to make sense of common woodworking measurements.

Built for Everyday Projects

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