Look up measurement unit symbols and full unit names. Search by symbol, unit name, category, measurement system, or example to identify common units used in calculators and converters.
Symbol search:
Enter a symbol such as ft, in, m, kg, lb, °C, psi, W, kWh, mph, or m/s.
Unit name search:
Enter a full unit name such as meter, foot, kilogram, pound, Celsius, watt, or gallon.
Category search:
Search by measurement category such as length, mass, temperature, pressure, energy, power, speed, area, or volume.
System search:
Search by unit system such as SI, metric, imperial, US customary, electrical, or engineering.
A unit symbol lookup helps identify what a measurement symbol means before using a calculator or converter.
It is useful for unit converters, engineering tools, construction calculators, science homework, finance tools, weather calculators, energy calculators, and data cleanup.
Often, yes. For example, m usually means meter, while M can be used as the mega prefix in technical contexts. Always check the measurement category and context.
Yes. Some symbols can have different meanings depending on the field, formula, or measurement category.
No. This page identifies unit symbols and names. Use the related Unit Converters page for actual conversions.
Yes. After running a lookup, click the copy button to copy the result.