What are the most common Dew Point Conversion Factors?

Dew Point versus Parts Per Million*

Dewpoint °FDewpoint °Cppm
-130-90.00.10
-120-840.25
-110-79.00.63
-105-76.01.00
-104-76.01.08
-103-75.01.18
-102-74.01.29
-101-74.01.40
-100-73.01.53
-99-73.01.66
-98-72.01.81
-97-72.01.96
-96-71.02.15
-95-71.02.35
-94-70.02.54
-93-69.02.76
-92-69.03.00
-91-68.03.28
-90-68.03.53
-89-67.03.84
-88-67.04.15
-87-66.04.50
-86-66.04.78
-85-65.05.3
-84-64.05.7
-83-64.06.2
-82-63.06.6
-81-63.07.2
-80-62.07.8
-79-62.08.4
-78-61.09.1
-77-61.09.8
-76-60.010.5
-75-59.011.4
-74-59.012.3
-73-58.013.3
-72-5814.3
-71-57.015.4
-70-57.016.6
-69-56.017.9
-68-56.019.2
-67-55.020.6
-66-54.022.1
-65-54.023.6
-64-53.025.6
-63-53.027.5
-62-52.029.4
-61-52.031.7
-60-51.034.0
-59-51.036.5
-58-50.039.0
-57-49.041.8
-56-49.044.6
-55-48.048
-54-48.051
-53-47.055
-52-47.059
-51-46.062
-50-46.067
-49-45.072
-48-44.076
-47-44.082
-46-43.087
-45-42.892
-44-42.298
-43-41.7105
-42-41.1113
-41-40.6119
-40-40.0128
-39-39.4136
-38-38.9144
-37-38.3153
-36-37.8164
-35-37.2174
-34-36.7185
-33-36.1196
-32-35.6210
-31-35.0222
-30-34.4235
-29-33.9250
-28-33.3265
-27-32.8283
-26-32.2300
-25-31.7317
-24-31.1338
-23-30.6358
-22-30.0378
-21-29.5400
-20-28.9422
-19-28.4448
-18-27.8475
-17-27.2500
-16-26.7530
-15-26.1560
-14-25.6590
-13-25.0630
-12-24.4660
-11-23.9700
-10-23.3740
-9-22.8780
-8-22.2820
-7-21.7870
-6-21.1920
-5-20.6970
-4-20.01,020

* @ 760 Torr