Unit Converter for Students
Convert units for schoolwork in seconds — length, mass, temperature and time, with the conversion factor shown. — free, fast and private.
Your converted value will appear here.
How to use Unit Converter for Students
- Choose a category and enter a value.
- Pick the units to convert from and to.
- Click Convert to see the answer and the factor used.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
Is the Unit Converter free?
Yes, it is 100% free with no sign-up and no limits.
Which units can I convert?
Length (mm to km and miles), mass (grams to kilograms and pounds), temperature (Celsius, Fahrenheit, Kelvin) and time (seconds to days).
How accurate are the conversions?
Conversions use exact standard factors — for example 1 inch = 2.54 cm exactly.
Is my input uploaded anywhere?
No. Your text stays in your browser and is never uploaded to any server.