Genealogy Resources
Genealogy Calculators
Free calculators to help you work out approximate dates while you research. Everything is worked out in your browser — nothing is stored or sent anywhere.
Age at an event
Work out how old someone was on the date of a particular event.
Estimated birth from a death record
Estimate a date of birth from a date of death and the age at death.
Census, marriage & voter roll birth range
Estimate a birth range from a record that gives a year and an age.
Baptism → birth range
Estimate a birth range from a baptism date.