Indices pips value

Hi everyone i am now starting to trade HK50 & US30

May I know if I would like to earn $50 USD for just a 10 pips move. How much would my lot size going to be?

I know for EURUSD you need 1.00 just to earn $50 for a 10 pips move.

Iam using standard ECN account. Please help thank you