🧬 Genealogy DNA & Centimorgan Tools

Eight tools for DNA-based genealogy — centimorgan lookups, cousin relationships, and inheritance math. Every one runs entirely in your browser.

🧬 Centimorgan to Relationship Lookup Calculator

Free DNA match cM to relationship category lookup.

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🔄 DNA Percentage to Centimorgan Converter

Free % shared to cM converter and back.

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👪 Cousin Relationship Calculator

Free nth cousin, times-removed relationship finder.

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🌳 Generations to Common Ancestor Calculator

Free cousin label reverse lookup to generations.

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📊 Average Shared cM by Relationship Reference Chart

Free DNA relationship shared-cM range table.

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½ Half-Relationship cM Range Reference

Free half-sibling & half-cousin overlap chart.

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🌲 Number of Ancestors at Generation N Calculator

Free ancestors-per-generation doubling chart.

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🧬 Autosomal DNA Inheritance Percentage Calculator

Free generation-by-generation DNA percentage chart.

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