diff --git a/ceilometer/hardware/pollsters/disk.py b/ceilometer/hardware/pollsters/disk.py
index 67735e6f..c23401b2 100644
--- a/ceilometer/hardware/pollsters/disk.py
+++ b/ceilometer/hardware/pollsters/disk.py
@@ -35,7 +35,7 @@ class _Base(plugin.HardwarePollster):
         return util.make_sample_from_host(host,
                                           name=self.IDENTIFIER,
                                           sample_type=sample.TYPE_GAUGE,
-                                          unit='B',
+                                          unit='KB',
                                           volume=value,
                                           res_metadata=metadata,
                                           extra=extra,
diff --git a/ceilometer/hardware/pollsters/memory.py b/ceilometer/hardware/pollsters/memory.py
index a83f0b6b..7650eb15 100644
--- a/ceilometer/hardware/pollsters/memory.py
+++ b/ceilometer/hardware/pollsters/memory.py
@@ -32,7 +32,7 @@ class _Base(plugin.HardwarePollster):
         return util.make_sample_from_host(host,
                                           name=self.IDENTIFIER,
                                           sample_type=sample.TYPE_GAUGE,
-                                          unit='B',
+                                          unit='KB',
                                           volume=value,
                                           res_metadata=metadata,
                                           extra=extra)