Im 46 and 5'5 what is the ideal weight for me?

Different formulas exist for BMI or body mass index. One uses 45.5 kg + 2.3 kg per inch over 5 feet, that will come to about 57 kg for you that is only an estimate and within a range.

In general you want to try to get to a weight that increases the likelihood of you living the longest and healthiest. In the US that is a BMI less than 25.

Visit this site for BMI calculator: https://www.nhlbi.nih.gov/health/educational/lose_wt/BMI/bmicalc.htm Your BMI should be between 18.5 and 25. For healthy diet: http://www.choosemyplate.gov/., exercise 30 minutes/day, drink enough water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. Wish you good health!