Free Ideal Weight Calculator for Women 2026
Find your ideal weight as a woman based on your height. For a 5 ft 5 in (165cm) woman, ideal weight ranges from 125-140 lbs (57-64 kg) depending on the formula. The Hamwi formula for women: start with 100 lbs for 5 feet, add 5 lbs per inch above 5 feet. Remember these are guidelines — healthy body composition (muscle vs fat ratio) matters more than hitting a specific number. No sign-up required — your data never leaves your browser. Works instantly on desktop, tablet, and mobile. Completely free with no daily usage limits, no watermarks, and no account needed. Trusted by students, professionals, and businesses worldwide. FixFlowHub is a browser-based toolbox with 120+ free utilities covering PDF, image, text, calculator, and productivity tools.
Frequently Asked Questions
What is the ideal weight for a 5 ft 5 in woman?
For a 5 ft 5 in (165cm) woman: Hamwi formula = 125 lbs, Devine = 127 lbs, Robinson = 124 lbs. The healthy BMI weight range (18.5-24.9) for this height is 111-150 lbs. Most sources suggest 120-140 lbs as a healthy range for a 5 ft 5 in woman.
Does ideal weight change with age for women?
Ideal weight formulas do not account for age, but health guidelines recognize that small weight gains (5-10 lbs) after 50 may be acceptable and even protective against osteoporosis. More important than weight is maintaining muscle mass and bone density through resistance training as you age.