How many calories should an active women consume in one day?

The amount of calories that you consume per day is very relative,

Cos each individual will have a different metabolism, activity level and body stats.

So the general thumb rule is to eat 10-15% lesser calories than your usual needs.

Depending on age, weight level of physical activity, etc maybe 1200-1500.

Do a net search for a site that'll let you enter your personal values to calculate a result.