Tombstone Calculator: Birth Date from Age at Death

Work out a birth date from a death date and an age like "63 years, 4 months, 12 days," as found on gravestones and death records.

Many gravestones and death records give an exact age, like "aged 63 years, 4 months, 12 days." Enter the death date and the age to work out the birth date.

Date of death
Age at death

Enter a death date to begin.

Ages in years, months and days are common on gravestones from the 1700s through the early 1900s. Check the result against other records; see Cemetery Research and Reading Gravestones.