Free Carpentry Calculators — Imperial Measurements

Professional carpentry tools built for tradespeople who work in feet, inches, and fractions. Use our free calculators for spacing, material estimation, and job costing directly in your browser — no app required.

Our free carpentry calculators are built for working carpenters who measure in feet, inches, and fractions — not millimeters. Whether you're calculating equal spacing for deck balusters or estimating lumber quantities for a trim job, these tools give you fast, accurate results without unit conversion headaches. All calculators are available as a mobile app — install directly from your phone's browser for quick access on the job site. Creative Saw carpenters use these tools daily on projects across Newark, NJ, New York, and Connecticut.