Census Age Calculator Calculators Date format15 Mar 1850 Mar 15, 1850 03/15/1850 15/03/1850 1850-03-15 Hide Info
Works in both directions: estimates a birth year from an age recorded in a census or other document (accounting for the census reference date and year-only uncertainty), or calculates a person's age at any census or specific date from their birth date.
Age at Death Age Today Est. Death Date Est. Birth Date
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Select row and column to see relationship
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A ↓ / B → Child Grandchild Gt-grandchild 2x Gt-grandchild 3x Gt-grandchild 4x Gt-grandchild 5x Gt-grandchild 6x Gt-grandchild Child Common Ancestor Aunt / Uncle
Niece / Nephew Gt-aunt / Uncle
Gt-niece / Nephew 2x Gt-aunt / Uncle
2x Gt-niece / Nephew 3x Gt-aunt / Uncle
3x Gt-niece / Nephew 4x Gt-aunt / Uncle
4x Gt-niece / Nephew 5x Gt-aunt / Uncle
5x Gt-niece / Nephew 6x Gt-aunt / Uncle
6x Gt-niece / Nephew Grandchild Aunt / Uncle
Niece / Nephew 1st cousin 1st cousin , 1x removed 1st cousin , 2x removed 1st cousin , 3x removed 1st cousin , 4x removed 1st cousin , 5x removed 1st cousin , 6x removed Gt-grandchild Gt-aunt / Uncle
Gt-niece / Nephew 1st cousin , 1x removed 2nd cousin 2nd cousin , 1x removed 2nd cousin , 2x removed 2nd cousin , 3x removed 2nd cousin , 4x removed 2nd cousin , 5x removed 2x Gt-grandchild 2x Gt-aunt / Uncle
2x Gt-niece / Nephew 1st cousin , 2x removed 2nd cousin , 1x removed 3rd cousin 3rd cousin , 1x removed 3rd cousin , 2x removed 3rd cousin , 3x removed 3rd cousin , 4x removed 3x Gt-grandchild 3x Gt-aunt / Uncle
3x Gt-niece / Nephew 1st cousin , 3x removed 2nd cousin , 2x removed 3rd cousin , 1x removed 4th cousin 4th cousin , 1x removed 4th cousin , 2x removed 4th cousin , 3x removed 4x Gt-grandchild 4x Gt-aunt / Uncle
4x Gt-niece / Nephew 1st cousin , 4x removed 2nd cousin , 3x removed 3rd cousin , 2x removed 4th cousin , 1x removed 5th cousin 5th cousin , 1x removed 5th cousin , 2x removed 5x Gt-grandchild 5x Gt-aunt / Uncle
5x Gt-niece / Nephew 1st cousin , 5x removed 2nd cousin , 4x removed 3rd cousin , 3x removed 4th cousin , 2x removed 5th cousin , 1x removed 6th cousin 6th cousin , 1x removed 6x Gt-grandchild 6x Gt-aunt / Uncle
6x Gt-niece / Nephew 1st cousin , 6x removed 2nd cousin , 5x removed 3rd cousin , 4x removed 4th cousin , 3x removed 5th cousin , 2x removed 6th cousin , 1x removed 7th cousin
+ More generations
Julian → Gregorian Gregorian → Julian
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Old Style → New Style New Style → Old Style
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Common examples
1588 MDLXXXVIII Spanish Armada 1776 MDCCLXXVI US Independence 1888 MDCCCLXXXVIII Longest Roman numeral ≤1999 1945 MCMXLV End of WWII 1752 MDCCLII Gregorian adoption (England)
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Census Year Specific Date
1790 1800 1810 1820 1830 1840 1850 1860 1870 1880 1890 1900 1910 1920 1930 1940 Clear