Measurement Converter
Convert between any custom measurement units using your own conversion factors for single, multiplied, or divided unit types.
Custom Unit Conversion
Not every unit conversion fits a standard category. This measurement converter lets you define your own units and conversion factors for single units, multiplied units (like torque in N·m), or divided units (like speed in m/s or pace in min/km).
How It Works
For a simple conversion where $1\ A = k\ B$, multiply your value by $k$:
$$N\ [A] = N \times k\ [B]$$
For divided units like $A/B$ converted to $C/D$:
$$N\ [A/B] = N \times \frac{k}{h}\ [C/D]$$
where $1\ A = k\ C$ and $1\ B = h\ D$.
Example: Pace Conversion
To convert 15 minutes per kilometer to seconds per meter: set A = minutes, B = kilometers, C = seconds, D = meters. Use factors 60 (1 min = 60 s) and 1000 (1 km = 1000 m). The result is 0.9 seconds per meter.
Related Tools
For predefined unit categories, use the Unit Converter or the Length Converter.
Frequently Asked Questions
When should I use a custom measurement converter?
Use it when you need to convert between units that are not in a standard converter, such as custom engineering units, pace measurements, or composite units like newton-meters.
What is the difference between multiplied and divided units?
Multiplied units combine two quantities (e.g., N·m for torque). Divided units express a ratio (e.g., m/s for speed or min/km for running pace).
How do I set the conversion factor?
Enter how many target units equal one source unit. For example, if 1 meter = 100 centimeters, enter 100 as the factor.
Can I convert temperature with this tool?
No. Temperature conversions require an offset (like the 32 in Fahrenheit) and are not directly proportional. Use a dedicated temperature converter instead.
How do I convert speed from m/s to mph?
Select "Divided units", set A = meters, B = seconds, C = miles, D = hours. Use factors 0.000621371 (1 m = 0.000621371 mi) and 3600 (1 h = 3600 s).