About NUMTX

What NUMTX is

NUMTX is a free library of 100+ practical calculators, converters and time/date tools covering work, home projects, business, money, study, everyday maths and unit conversions.

What makes it different

The tool comes first. NUMTX is fast on phones, works without an account, shows formulas or assumptions, supports favourites and recent tools on your device, and can be installed for quick home-screen access.

How the library grows

New tools are added because people genuinely need them—not simply to manufacture pages. Search performance, user demand, suggestions and usefulness guide expansion.