Calculators-Tools-Dictionaries

Ancestor Search – Calculators & Tools 
http://www.searchforancestors.com/utility/

Atlas Hist County Boundaries
http://publications.newberry.org/ahcbp/

Birth Date Calculators
http://www.cyndislist.com/births.htm#Birthdate

Long Island Genealogy
www.longislandgenealogy.com/birth.html

Cornell Univ
www-users.med.cornell.edu/~spon/picu/calc/agecalc.htm 
This is an age calculator, how old you are on a given date in days, weeks, months

Parallax View
parallax-viewpoint.blogspot.com/2015/05/measurement-tools.html#BirthDateCalc
Other conversion tools also, including ranges

OVS Genealogy
www.ovs-genealogy.com/tools/free_birthdate_calculator_calculates_birth_day.shtml

Black’s Law Dictionary
http://thelawdictionary.org

Bouvier Law Dictionary
http://www.constitution.org/bouv/bouvier.htm

Olive Tree Birthdate calculator
sites.rootsweb.com/~ote/birthcalc.htm

Perpetual Calendar
stevemorse.org/jcal/perpetual.html

Cousin Calculator
www.searchforancestors.com/utility/cousincalculator.html

Copyright Registration
http://onlinebooks.library.upenn.edu/cce/

Cousins and Relationships
http://www.cyndislist.com/cousins.htm#Charts

Death Certificate Codes
www.wolfbane.com/icd/

Geographical Names 
http://geonames.usgs.gov/

Handwriting Tutorial
ncarchives.wordpress.com/2017/08/18/what-does-that-say-series-pt-i/

Inflation Calculator
http://www.westegg.com/inflation/
http://www.nationalarchives.gov.uk/currency/

Measuring Worth 
http://www.measuringworth.com/uscompare/
see explanation
http://midwesternmicrohistory.blogspot.com/2012/06/my-ancestor-had-1000-in-1860-was-he.html

Lexipedia
http://www.lexipedia.com/english/illegitimate

Pedigree forms
http://www.harrisknudsen.dk/anetavler.htm

Purchasing Power of British Pounds
http://www.measuringworth.com/ppoweruk/

Timelines
http://www.ourtimelines.com/index.shtml

TypeIt (accents and other characters)
http://typeit.org/

US Dollar Historical Value
http://www.measuringworth.com/uscompare/

Vintage Advertisements
http://www.vintageadbrowser.com

Weather History
http://www.weatherbase.com