Free metric conversion charts for school

Free Swedish classroom material for unit conversion in mathematics – printable metric conversion charts and an interactive prefix ladder. No ads, no login, no profiling or tracking of students, no cookie banner on these school pages.

The material targets Swedish classrooms; these English pages describe it and the tools below render in English too.

• 🪜Prefix ladder

  Interactive prefix ladder through the entire SI scale: see how the decimal point moves - from yotta to yocto.

• 📏Unit tables

  Fifteen printable unit conversion charts: one for every category where a chain table says something useful.

• 🍎For teachers

  Using the material in class: share your own tables, practice sheets with answer keys, privacy, license (CC BY 4.0).

• 🎮Games

  Math games for unit conversion: match cards that show the same quantity. Free, no login.

The material is free to print, copy and share (CC BY 4.0 – see For teachers).

Last reviewed: August 2026.