If you pass all the requirements to get all the allowances below is net figure yearly and monthly in Spain.
salaryaftertax dot com/es
Gross Income: 140,000
Tax Due: 54,373
> Social Security Contribution: 2,775
> Income Tax: 51,598
Net Income: 85,627
Monthly:
Gross Income: 11,667
Tax Due: 4,531
> Social Security Contribution: 231
> Income Tax: 4,300
Net Income: 7,136