diff --git a/tools/libinput-measure-touch-size b/tools/libinput-measure-touch-size
index 66c7571e..b7aa0e99 100755
--- a/tools/libinput-measure-touch-size
+++ b/tools/libinput-measure-touch-size
@@ -26,9 +26,15 @@
 
 import sys
 import argparse
-import evdev
-import evdev.ecodes
-import pyudev
+try:
+    import evdev
+    import evdev.ecodes
+    import pyudev
+except ModuleNotFoundError as e:
+    print('Error: {}'.format(str(e)), file=sys.stderr)
+    print('One or more python modules are missing. Please install those '
+          'modules and re-run this tool.')
+    sys.exit(1)
 
 
 class Range(object):
diff --git a/tools/libinput-measure-touchpad-pressure b/tools/libinput-measure-touchpad-pressure
index 64ea7b4f..052d64d3 100755
--- a/tools/libinput-measure-touchpad-pressure
+++ b/tools/libinput-measure-touchpad-pressure
@@ -26,9 +26,15 @@
 
 import sys
 import argparse
-import evdev
-import evdev.ecodes
-import pyudev
+try:
+    import evdev
+    import evdev.ecodes
+    import pyudev
+except ModuleNotFoundError as e:
+    print('Error: {}'.format(str(e)), file=sys.stderr)
+    print('One or more python modules are missing. Please install those '
+          'modules and re-run this tool.')
+    sys.exit(1)
 
 
 class Range(object):
diff --git a/tools/libinput-measure-trackpoint-range b/tools/libinput-measure-trackpoint-range
index 53dc67ec..512978c0 100755
--- a/tools/libinput-measure-trackpoint-range
+++ b/tools/libinput-measure-trackpoint-range
@@ -26,9 +26,15 @@
 
 import sys
 import argparse
-import evdev
-import evdev.ecodes
-import pyudev
+try:
+    import evdev
+    import evdev.ecodes
+    import pyudev
+except ModuleNotFoundError as e:
+    print('Error: {}'.format(str(e)), file=sys.stderr)
+    print('One or more python modules are missing. Please install those '
+          'modules and re-run this tool.')
+    sys.exit(1)
 
 MINIMUM_EVENT_COUNT = 1000