Common Unit Keywords for Measurement Conversions
Finding the right unit conversion often depends on using the correct terminology. This guide provides common keywords and search terms for different measurement categories to help you quickly find the conversions you need.
Search Tip: Our unit converter's search function understands both full unit names (like "kilometer") and symbols (like "km"). You can also search by measurement category (like "length" or "temperature").
Common Measurement Categories
When searching for conversions, start with these major measurement categories:
Length / Distance
Units for measuring how far or long something is.
meter (m)
kilometer (km)
centimeter (cm)
millimeter (mm)
inch (in)
foot (ft)
yard (yd)
mile (mi)
nautical mile (nmi)
Mass / Weight
Units for measuring how heavy something is.
kilogram (kg)
gram (g)
milligram (mg)
pound (lb)
ounce (oz)
ton
metric ton (tonne)
stone (st)
Temperature
Units for measuring how hot or cold something is.
celsius (°C)
fahrenheit (°F)
kelvin (K)
Volume / Capacity
Units for measuring the amount of space something takes up or can hold.
liter (L)
milliliter (mL)
cubic meter (m³)
gallon (gal)
quart (qt)
pint (pt)
cup
fluid ounce (fl oz)
Area
Units for measuring the size of a 2D space.
square meter (m²)
square kilometer (km²)
hectare (ha)
acre
square foot (ft²)
square inch (in²)
square mile (mi²)
Speed
Units for measuring how fast something is moving.
meter per second (m/s)
kilometer per hour (km/h)
mile per hour (mph)
knot (kn)
foot per second (ft/s)
Time
Units for measuring duration.
second (s)
minute (min)
hour (h)
day (d)
week (wk)
month
year (yr)
Pressure
Units for measuring force applied to an area.
pascal (Pa)
kilopascal (kPa)
bar
atmosphere (atm)
psi (lb/in²)
mmHg
Energy / Work
Units for measuring the capacity to do work.
joule (J)
kilojoule (kJ)
calorie (cal)
kilocalorie (kcal)
watt-hour (Wh)
kilowatt-hour (kWh)
British thermal unit (BTU)
Search Strategy Tips
Here are some tips to help you find the right conversion quickly:
- Be specific: Search for "kilometers to miles" rather than just "distance".
- Try abbreviations: Both "km to mi" and "kilometer to mile" will work.
- Common phrases: "Convert X to Y" or "X in Y" are recognized patterns.
- Check categories: If you're not finding what you need, try searching by the measurement category.
- Alternate spellings: Both US and UK spellings work (e.g., "meter" and "metre").
Pro Tip: For scientific and engineering conversions, try using scientific notation (e.g., "1.5e6") when dealing with very large or small numbers.