Free tools
Resources for people who make things
Free calculators built from sixty years of machinery questions and experience. Use them, share them, and when you want numbers for your exact machine or tool, call us.
Calculators
Buying a machine
Machine ROI calculator
Put numbers on a machine purchase: payback period, monthly savings, and the five-year return.
Open the calculatorBuying lumber
Board foot calculator
Figure lumber like the yard does: board feet and cost from thickness, width, length, and quantity.
Open the calculatorRunning the machine
Chip load calculator
Dial in feeds and speeds: solve feed rate, RPM, chip load, or surface speed, with starting ranges by material.
Open the calculatorKeeping air clean
Dust collection CFM calculator
Total the airflow your machines need, size the main duct, and check that the velocity keeps dust moving.
Open the calculator
More tools and guides are on the way. Have one you wish existed? Tell us at sales@scarlettinc.com.
Guides
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