Genealogy Suite
Free calculators and lookups for genealogists. No account required.
Type to filter the list of tools below.
Death Date + Age → Birth Date
Calculate birth date from date of death and exact age at death (years, months, days).
DNA % to Centimorgans
Convert shared DNA percentage to centimorgans (cM) with configurable total and reference table.
Census Year + Age → Birth Year
Estimate birth year from census year and age; optional birthday-before-census checkbox.
Church Feast Day Dates
Lookup dates for Christian or Jewish holy or feast days by year.
Abbreviation Lookup
Search common genealogy and record abbreviations with meanings and context.
Cousin Converter
Convert between cousin degree and common ancestor level; includes removed.
Quick Tools
Placeholder for future small tools (coming soon).