The Centimorgan Reference Chart & Quick Start Guide is a high-value, downloadable cheat sheet designed by Echoes of Kin Genealogy to help you translate shared cM totals and percentages into realistic relationship possibilities with confidence.

What’s Included in This Downloadable Toolkit:

• Companion Quick Start Guide: A concise, step-by-step roadmap that walks you through finding your match’s shared cM, locating relationship ranges, and applying generational logic to verify connections.
• Comprehensive Relationship Matrix: Clear tables covering relationships from Parent/Child and Identical Twins down to 6th Cousins, featuring Average cM, Observed Ranges (Low–High), and ~ Shared DNA Percentages (%).
• Key Relationship Notes: Specific guidance for complex connections like Double 1st Cousins, Half-relationships, and Removed generations.
• Essential Rules Callout Box: Built-in rules of thumb explaining the Half-Relationship Rule, the “Once Removed” generational shift, the Percentage Halving Pattern, and Small Segment warnings (< 7–10 cM).
• Clear Best Practices: Direct guidance on using cM ranges alongside shared match clustering, age differences, and documentary paper trails.

Product Details:

• Format: Instant Downloadable PDF (Includes both the 2-Page Chart and the Quick Start Guide)
• Usability: 100% print-friendly for desktop reference, research binders, or digital viewing on tablets and computers.
• Length: 2-Page Reference Chart + Companion Quick Start Guide
• Size: Standard Letter (8.5″ x 11″)
• License: For personal research use only.

Stop guessing relationship distances. Download your reference chart today, decode your centimorgans with clarity, and keep your genetic research moving forward.

Echoes of Kin Genealogy, LLC

Honoring your ancestors with careful, evidence-based research.