The Genealogist’s Toolkit
Research Tool No. 1 - Tombstone Calculator
Two tools to interpret birth and death dates commonly found on gravestones.
Research Tool No. 2 - Age at Marriage Calculator
Quickly calculate the exact age of a bride or groom at the time of marriage.
Research Tool No. 3 - The Census Age Guage Calculator
Estimate how old someone likely was during any U.S. census year.


Genealogy research often requires a little math. These tools help you quickly estimate ages, interpret headstones, and understand family relationships.
Research Tool No. 4 - Relationship Chart (coming soon)
A simple chart explaining cousins, removals, and other family relationships.
Family History Calculators & Charts
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