About Mahjong101

When friends gather in Hong Kong, there’s one classic activity that always stands out – playing Mahjong. It’s a timeless favourite.

But let’s be honest: the Hong Kong Mahjong scoring system can be daunting. With over 15 types of winning hands and more than 10 scoring rules, it’s a challenge to keep everything straight. Usually, there’s that one friend who knows it all. But what if they’re not around?

No need to worry or feel awkward – Mahjong101 is here to help. It calculates faans for you in seconds. Simply input your hand, exposed melds, and game conditions, and Mahjong101 will deliver an accurate score with a detailed breakdown.

Master the faan system and enjoy stress-free Mahjong with Mahjong101!