State Pension Age Calculator: state pension ages have been gradually changing from age 60 (female) and age 65 (male) through to 61, 62, 63, 64, 65, 66, 67 and 68. In some cases it could even be in days e.g. age 67 years, 11 months and 5 days. You need to know your state pension age to plan retirement accurately. This calculator works out both your age and the date.