add pa_to_psi conversion

diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java
index 8617a12cea7a5def8d7062cde0f3aea11e4561d6..08c7c67d41d94845051cbf8213f4f94bc57f97c1 100644 (file)
--- a/altoslib/AltosConvert.java
+++ b/altoslib/AltosConvert.java
@@ -366,6 +366,10 @@ public class AltosConvert {
                return (c - 32) * 5/9;
        }
 
+       public static double pa_to_psi(double pa) {
+               return pa / 6894.76;
+       }
+
        public static double psi_to_pa(double psi) {
                return psi * 6894.76;
        }