Fraction result
Convert a fraction into decimal inches, millimeters, 32nds, and 64ths.
Measurement conversion
Conversion Calculator
Convert common shop and remodeling measurements: 1/8 to decimal, mm to inch, inch to feet, fraction calculator, angle calculator, and rise run calculator in one page.
Quick conversions
High-use conversion checks.
Use these compact calculators before marking material, checking plans, converting hardware dimensions, or reviewing stair geometry.
Unit result
Convert between millimeters, inches, and feet.
Angle result
Calculate degrees, slope percentage, and pitch from rise and run.
Rise run result
Calculate riser count, riser height, tread depth, and stair angle.
Disclaimer
Conversions are planning checks.
Always verify measurements against your plans, tape measure, local code, tool setup, material thickness, and hardware specifications before cutting, ordering material, or building stairs. Rounded values can create small errors when repeated across many parts.