1 files changed, 36 insertions, 0 deletions
diff --git a/src/org/traccar/helper/UnitsConverter.java b/src/org/traccar/helper/UnitsConverter.java
new file mode 100644
index 000000000..e490f366c
--- /dev/null
+++ b/src/org/traccar/helper/UnitsConverter.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.helper;
+
+public class UnitsConverter {
+
+    public static double knotsFromKph(double value) { // km/h
+        return value * 0.539957;
+    }
+
+    public static double knotsFromMph(double value) {
+        return value * 0.868976;
+    }
+
+    public static double knotsFromMps(double value) { // m/s
+        return value * 1.94384;
+    }
+
+    public static double knotsFromCps(double value) { // cm/s
+        return value * 0.0194384449;
+    }
+
+}