Features downloadable measure units converter. Flash demo provided.

Provides an interactive game to measure teddy bears for elementary pupils and teachers.

Contains printable working activities for 1st graders to identify the correct estimation on English and Metric systems. Also includes logical puzzles.

Presents ways and tips in using body parts to estimate expanses.

Educational and research resource designed to facilitate multiple units of measurement conversions.

Free resource for users providing some static metric conversion tables and charts to do online metric unit conversions.

Provides modifications from metric to standard measurements for length, area, volume, mass, temperature, illumination, force and pressure.

Features an interactive conversion of Fahrenheit to Celsius and vise versa. Includes other related links for sources.

Interactive calculators to convert common and rare measurements, including mass and weight.

Presents an interactive metric conversion calculator for length, weight, pressure, temperature and volume.