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EnglishWhere to Find Common Conversions Like cm to Inches or kg to lbs on Unit Converter
Updated
Common conversions such as cm to inches, kg to lbs, and Celsius to Fahrenheit are listed directly on the Unit Converter homepage (unitconverters.net). You can click any of those links to jump straight to the matching converter, or use the Express Version at the top of the page to enter a value and pick units yourself. If you need something beyond the common list, the Full Versions section below it organizes every converter by category.
The fastest path: the homepage common conversions list
The homepage carries a block of ready-made conversion links. These are the quickest route when your conversion is a popular one, because you skip unit selection entirely — the converter opens with both units already set.
The list shown on the site includes:
- Length: cm to inches, mm to inches, meters to feet, km to miles, cm to feet, inches to feet, meters to yards, inches to cm, inches to mm, feet to meters, miles to km, feet to cm, feet to inches, yards to meters
- Weight and mass: kg to lbs, grams to ounces, pounds to ounces, lbs to kg, ounces to grams, ounces to pounds
- Temperature: Celsius to Fahrenheit, Fahrenheit to Celsius
- Volume: liters to gallons, mL to cups, cups to mL, gallons to liters
- Speed: mph to kph, kph to mph
- Area: acres to square feet, square feet to acres
- Angle: radians to degrees, degrees to radians
- Power: hp to kw, kw to hp
Click the link that matches your conversion and the corresponding converter page opens with the "From" and "To" units pre-filled. Enter your number and read the result.
Using the Express Version for a custom pair
At the top of the homepage there is an Express Version with two dropdowns, From and To, plus a Find the Units to Convert option. This is the better choice when:
- Your conversion is not in the common list (for example, a less common length or weight pairing).
- You want to reverse a common conversion without hunting for the reverse link.
- You want to see the result for several values quickly.
The flow is: choose the category or unit in From, choose the target in To, enter the value, and the converted result appears. The Express Version covers the main categories — Length, Temperature, Area, Volume, Weight, and Time — as listed on the page.
Finding a specific converter through the Full Versions categories
Below the common conversions, the site lists Unit Converters — Full Versions, grouped by category. This is where you go when the conversion is specialized or you are not sure which converter applies.
The categories on the page include:
| Category group | Examples of converters inside |
|---|---|
| Common Converters | Length, Weight and Mass, Volume, Temperature, Area, Pressure, Energy, Currency, Power, Force, Time, Speed, Angle, Fuel Consumption, Numbers, Data Storage |
| Engineering Converters | Velocity – Angular, Acceleration, Density, Moment of Inertia, Torque |
| Heat Converters | Fuel Efficiency (mass and volume), Temperature Interval, Thermal Expansion, Thermal Conductivity, Specific Heat Capacity, Heat Flux Density |
| Fluids converters | Flow, Flow – Mass, Flow – Molar, Concentration, Viscosity (dynamic and kinematic), Surface Tension |
| Light converters | Luminance, Luminous Intensity, Illumination, Digital Image Resolution, Frequency Wavelength |
| Electricity Converters | Charge, Current, Electric Potential, Electric Resistance, Electric Conductance, Capacitance, Inductance |
| Magnetism converters | (magnetism-related converters, listed under this heading) |
Pick the category, then the specific converter inside it. Each converter page gives you the full unit list for that measurement type rather than only the popular pairings.
Which entry point to use
- Your conversion is in the common list (cm to inches, kg to lbs, Celsius to Fahrenheit, and the others above): click the homepage link. Fewest steps.
- Your conversion is a common category but an uncommon pair (for example, a length unit not in the list): use the Express Version.
- Your conversion is specialized (viscosity, thermal conductivity, inductance, and similar): go through the Full Versions category that matches it.
A note on the predictive tool
The site also includes a predictive tool that suggests possible conversions as you type, which is useful when you are not certain of the exact unit name or want to jump to a converter without browsing the categories. It works alongside the common list and the Express Version rather than replacing them.
Common snags
- The common list only covers popular pairs. If your pair is not there, do not assume the site lacks it — check the Full Versions category first.
- Unit names differ between systems. For example, "lbs" and "pounds" refer to the same unit; the site uses both spellings across its links and converters.
- Currency appears among the Common Converters. It behaves like the other converters in placement, but exchange rates change over time, so treat its output as a live figure rather than a fixed one.