Learn unit conversions through fun games! Practice length, weight, volume, temperature, area, and speed conversions.
100 base points per correct answer plus time bonus (5 points per remaining second). Every 3 consecutive correct answers earn an additional 50 point bonus.
When you answer 3+ questions correctly in a row. One wrong answer resets the streak.
Easy: 15s, Normal: 10s, Hard: 7s per question. Number complexity also increases.
Highest score per category and difficulty is saved in your browser.
Unanswered questions are counted as wrong and reset the streak. The correct answer is shown.
Yes, fully optimized for mobile devices.