Birth Date Calculator
Developed by Mac Titmus for Long Island Genealogy
Many old tombstones show the date of death and the age of the deceased in years, months, and days. This calculator simplifies the task of determining the date of birth from that information. All dates are according to the Gregorian calendar with the year beginning on January first.
Please make entries in each box on lines 1 and 2
Use a zero where you do not have a number to enter