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Workshop Unit & Fraction Converter

Choose an explicit physical quantity and source/target unit, enter a decimal or workshop fraction, and see both a precise decimal result and a reduced fractional inch where applicable.

Part of Workshop Calc ↗
Ready to calculate

Enter the dimensions, then calculate to see a checkable result.

Estimate only:Confirm the physical quantity and units before use; SFM means ft/min and SMM means m/min, not mm/min.

02 / Method & limits

Make the calculation checkable.

Conversion method

Values are normalized to a base unit for their physical quantity, then converted to the selected target unit. Fractions are reduced and rounded only at the displayed precision.

Example

Convert 12.7 mm to 0.5 in, displayed as the reduced fraction 1/2 in.

Limits & checks

  • Dimensionally incompatible units must never be mixed.
  • SFM and SMM conversions require corrected, independently tested scale factors.

03 / Related tools

FabricationMetal Weight CalculatorEstimate stock weight from geometry, length, quantity, and material density.ReferenceDrill Size ChartCompare common drill-size systems in one searchable reference.