Help about Lot Size

Beginner Questions
1

Hello,Hope Everyone is fine
Actually i’m on learning process in forex trading.
Can anybody tell me how to calculate lot size?
If i invest $1000 and what’s the lot size and if i can afford 1% loss on single trade?
Please teach me the Seniors.
Thanks

2

try using this
https://www.babypips.com/tools/position-size-calculator

3

Thanks for sharing ,