Live Unit Explorer
Tap a category to reveal its base unit and see how it connects to smaller and larger units in real time.
A doorway is about 2 meters tall — that's 200 centimeters!
Unit Conversion Blueprint
Choose a scenario and drag the sliders to see how small units add up to bigger ones — just like solving a real word problem.
🏃 Sam is running laps around the track. Each lap covers the same distance.
Mission Select
Length
Measure distances in centimeters, meters, and kilometers, and learn which unit fits which job.
Mass & Weight
Weigh objects in grams and kilograms, and discover how heavy everyday items really are.
Volume & Capacity
Pour and measure liquids in millilitres and litres, and compare how much different containers hold.
Word Problems
Combine every skill to solve real-world problems about distance, weight, and capacity like a true measurement detective.