Appendix C:
Barometric Pressure Conversion Table
The prudent skipper will always keep one
eye on the barometer while cruising.
If your barometer does not read
inches as well as millibars,
this table may
come in handy when comparing readings.
|
INCHES |
MILLIBARS |
INCHES |
MILLIBARS |
INCHES |
MILLIBARS |
INCHES |
MILLIBARS |
|
28.44 |
963 |
29.09 |
985 |
29.74 |
1007 |
30.39 |
1029 |
|
28.47 |
964 |
29.12 |
986 |
29.77 |
1008 |
30.42 |
1030 |
|
28.50 |
965 |
29.15 |
987 |
29.80 |
1009 |
30.45 |
1031 |
|
28.53 |
966 |
29.18 |
988 |
29.83 |
1010 |
30.48 |
1032 |
|
28.56 |
967 |
29.21 |
989 |
29.86 |
1011 |
30.51 |
1033 |
|
28.59 |
968 |
29.24 |
990 |
29.89 |
1012 |
30.54 |
1034 |
|
28.62 |
969 |
29.27 |
991 |
29.92 |
1013 |
30.56 |
1035 |
|
28.65 |
970 |
29.30 |
992 |
29.94 |
1014 |
30.59 |
1036 |
|
28.68 |
971 |
29.32 |
993 |
29.97 |
1015 |
30.62 |
1037 |
|
28.70 |
972 |
29.35 |
994 |
30.00 |
1016 |
30.65 |
1038 |
|
28.73 |
973 |
29.28 |
995 |
30.03 |
1017 |
30.68 |
1039 |
|
28.76 |
974 |
29.41 |
996 |
30.06 |
1018 |
30.71 |
1040 |
|
28.79 |
975 |
29.44 |
997 |
30.09 |
1019 |
30.74 |
1041 |
|
28.82 |
976 |
29.47 |
998 |
30.12 |
1020 |
30.77 |
1042 |
|
29.85 |
977 |
29.50 |
999 |
30.15 |
1021 |
30.80 |
1043 |
|
28.88 |
978 |
29.53 |
1000 |
30.18 |
1022 |
30.83 |
1044 |
|
28.91 |
979 |
29.56 |
1001 |
30.21 |
1023 |
30.86 |
1045 |
|
28.94 |
980 |
29.59 |
1002 |
30.24 |
1024 |
30.89 |
1046 |
|
28.97 |
981 |
29.62 |
1003 |
20.27 |
1025 |
30.92 |
1047 |
|
29.00 |
982 |
29.65 |
1004 |
30.30 |
1026 |
30.95 |
1048 |
|
29.03 |
983 |
29.68 |
1005 |
30.33 |
1027 |
30.98 |
1049 |
|
29.06 |
984 |
29.71 |
1006 |
30.36 |
1028 |
31.01 |
1050 |
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© Stephen J.
Pavlidis 2010 |