The paper length is not relevant since the chart flows from one page to the next.
Mobile
in.
mm
Portrait
2.75
70
For smart phones, not for printing
Landscape
5.5
140
For smart phones, not for printing
USA & Canada
in.
mm
Letter Portrait
8.5
216
Also Legal Portrait
Letter Landscape
11
279
Legal Landscape
14
356
Also Ledger Portrait
Ledger Landscape
17
432
International
in.
mm
A5 Portrait
5.82
148
A4 Portrait
8.25
210
Also A5 Landscape
A4 Landscape
11.71
297
Also A3 Landscape
A3 Landscape
16.54
420
The Text+ programs assume that the right and left margins are each about 25mm (1/2 inch) wide.
On the Format for Printing page, differences in page margins can be accommodated by the "fudge factor":
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┌──Christopher Moyers
(1 Jan 1740 Orange County, Virginia, USA - │ 9 Feb 1815 White Pine, Jefferson County, Tennessee, USA) =>
┌──James Moyers
(27 Mar 1767 Culpeper County, Virginia, USA - 18 Feb 1838 White Pine, Jefferson County, Tennessee, USA)
│ └──Susannah ??
(1740 Virginia, USA - 1839 White Pine, Jefferson County, Tennessee, USA)
│
┌──John Blackburn Moyers
(30 Jan 1792 Jefferson County, Tennessee, USA - 13 Nov 1875 Warren County, Tennessee, USA)
│ │
│ │ ┌──John B Blackburn
(27 Jan 1741 Chester County, Pennsylvania, USA - │ │ │ 9 Feb 1808 Dandridge, Jefferson County, Tennessee, USA) =>
│ └──Mary (Polly) Blackburn
(14 Nov 1768 Frederick County, Virginia, USA - │ 1 Jan 1846 White Pine, Jefferson County, Tennessee, USA)
│ └──Janet Mathews
(29 Sep 1747 Warren County, Virginia, USA - 29 Sep 1818 Jefferson County, Tennessee, USA) =>
│
┌──Thomas Snoddy Myers
(30 May 1818 Jefferson County, Tennessee, USA - 10 Nov 1914 McMinnville, Warren County, Tennessee, USA)
│ │
│ │ ┌──John Snoddy
(1720 Scotland - Feb 1784 Washington County, Virginia, USA)
│ │ ┌──Albert "Thomas" Snoddy, Esq
(26 Jan 1761 Philadelphia, Philadelphia County, Pennsylvania, USA - │ │ │ 26 Jun 1839 Snoddyville, Jefferson County, Tennessee, USA)
│ │ │ └──Agnes Glasgow
(1722 Ireland - 1806 Leadvale, Jefferson County, Tennessee, USA)
│ │ │
│ └──Mary Snoddy
(15 Jul 1790 Edgecombe, Edgecombe County, North Carolina, USA - │ 8 Nov 1861 McMinnville, Warren County, Tennessee, USA)
│ │
│ │ ┌──John Davis
(14 Oct 1743 Virginia, USA - 1810 Abingdon, Washington County, Virginia, USA)
│ └──Hannah Davis
(9 Feb 1769 Allison Gap, Washington County, Virginia, USA - │ 18 Mar 1801 Jefferson City, Jefferson County, Tennessee, USA)
│ └──Mary Allison
(14 Feb 1743 Virginia, USA - 1784)
│
┌──Andrew Campbell Myers
(13 Apr 1853 Warren County, Tennessee, USA - 18 May 1932 McMinnville, Warren County, Tennessee, USA)
│ │
│ │ ┌──James B Billingsley
(Apr 1726 St Mary's County, Maryland, USA - │ │ │ 25 Jan 1776 Guilford County, North Carolina, USA) =>
│ │ ┌──Samuel Billingsley
(Jun 1747 St Mary's, St Mary's County, Maryland, USA - 10 Jun 1816 Bledsoe County, Tennessee, USA)
│ │ │ └──Elizabeth Crabtree
(5 Nov 1726 St Johns Parish, Baltimore County, Maryland, USA - │ │ │ 5 Nov 1839 McMinn County, Tennessee, USA)
│ │ │
│ │ ┌──John Billingsley
(10 Sep 1781 Onslow County, North Carolina, USA - 25 May 1856 Bledsoe County, Tennessee, USA)
│ │ │ └──Mary Griffith
(1 Sep 1753 Edgecombe County, North Carolina, USA - 1 Sep 1838 Bledsoe County, Tennessee, USA)
│ │ │
│ └──Martha Jane Billingsley
(15 Mar 1822 Bledsoe County, Tennessee, USA - 28 Jan 1888 McMinnville, Warren County, Tennessee, USA)
│ └──Martha Blackwood
(12 Mar 1786 North Carolina, USA - 11 Mar 1829 Bledsoe County, Tennessee, USA)