mm to rem
A converter that calculates the rem from a mm for a given rem size to make the measurement responsive
Hot Keys
C
Calculate and copy the result of calculation.
V
Calculate the result.
B
Copy the result of calculation.
R
Reverse the converter to "REM to MM".
Q
Focus the "MM" input.
W
Focus the "REM Size" input.
FAQ
How to convert MM to REM?
To convert mm to rem, you should know total size of 1 REM, default is 16px Then, just apply formula: (mm * 3.7795275591) / rem size For example, with 16px size of 1rem, 2.5mm will be converted to: (2.5 * 3.7795275591) / 16 = 0.591rem
What is the MM to REM formula?
(mm * 3.7795275591) / rem size
What is rem unit?
REM is defined relative to the font size of the root element. The root element is matched by the :root pseudo-class or the html selector. 1 REM therefore takes on the value which is given to the font-size of the root element. This means that 1 REM keeps the same value throughout your whole CSS code.
MM to REM Conversion Table if rem size is 16px
| mm | rem |
|---|---|
| 1mm | 0.236rem |
| 2mm | 0.472rem |
| 3mm | 0.709rem |
| 4mm | 0.945rem |
| 5mm | 1.181rem |
| 6mm | 1.417rem |
| 7mm | 1.654rem |
| 8mm | 1.89rem |
| 9mm | 2.126rem |
| 10mm | 2.362rem |
| 11mm | 2.598rem |
| 12mm | 2.835rem |
| 13mm | 3.071rem |
| 14mm | 3.307rem |
| 15mm | 3.543rem |
| 16mm | 3.78rem |
| 17mm | 4.016rem |
| 18mm | 4.252rem |
| 19mm | 4.488rem |
| 20mm | 4.724rem |
| 21mm | 4.961rem |
| 22mm | 5.197rem |
| 23mm | 5.433rem |
| 24mm | 5.669rem |
| 25mm | 5.905rem |