KEVOS® MAKEOS · Units

Mass Converter

What is this mass in other units?

Convert a mass between SI, metric and US customary units and see it in every listed unit at once.

Open the calculatorRuns in your browser. No account needed.

How this tool works

Inputs, units and where to find them

InputUnitTypical source
Mass valueThe number exactly as written on the drawing, data sheet or quote.
Unit of the entered valuechoiceThe unit printed beside the value; check prefixes such as k, M and m.

Method and formulas

  1. Value in kg = entered value × factor of the entered unit.
  2. Value in each other unit = SI value ÷ that unit’s factor.
  3. Factors used (1 unit = … kg): g 0.001; tonne 1000; lb 0.45359237; oz (avoirdupois) 0.028349523125; short ton (2000 lb) 907.18474; long ton (2240 lb) 1016.0469088; slug 14.593902937206.
  4. Example: 100 lb = 45.359237 kg.

Limitations

  • Displayed values are rounded to eight decimal places; small values use significant figures.
  • Example values are illustrations. Replace them with values for your actual task.

Typical uses

  • Convert mass values on drawings, data sheets and quotes
  • Check supplier data given in other units

Who it is for

  • Engineers
  • Technicians
  • Buyers and estimators

What you get

  • The mass in each listed unit
  • Value in kg

Interpreting the result

  • Use the unit your specification is written in, and keep the original value on record.

References

  • Machinery’s Handbook, 29th edition (Industrial Press, 2012), printed pp. 2683–2685. Topic reference; no source tables or recommended settings are reproduced.
  • BIPM: The International System of Units (SI brochure) — https://www.bipm.org/en/publications/si-brochure

WORKOS tools are screening and decision-support utilities. Verify important financial, engineering, safety, legal or operational decisions using appropriate professional standards and your organisation’s approved data.

Open the Mass Converter calculator