Fonts saved as vectors in SVG format can be used for creation of TrueType fonts (*.ttf) with some of the more advanced font editor or converters like the FreeFontConverter software.
Found 2 different conversion types using the same filename extensions.
Conversion svg to ttf type 1:
Convert from XML based scalable vector graphics format to TrueType font.
On-line services software - convert svg to ttf on web
FreeFontConverter is an on-line tool used for free font conversion.
File type (from-> to)
Convert from svg file
XML based scalable vector graphics format
to ttf file
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned svg to ttf. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Online font converter is a web tool that offers conversions of various font formats, including many exotic formats. It should support most of the common formats for Mac and PC.
Conversion svg to ttf type 2:
Convert from SVG fonts format to TrueType font.
Microsoft Windows software - convert svg to ttf on Windows
FontCreator is one of the most popular font editing software. It has an intuitive interface that allows beginners to become productive immediately and it contains the powerful drawing tools that font designers require to create and edit high-quality TrueType and OpenType fonts.
Apple macOS / Mac OS X software - convert svg to ttf on OS X
Glyphs allows users to help draw new typefaces, modify existing fonts, and sculpt your letterforms hassle-free.