diff --git a/doc/design/user metric dialog.bmml b/doc/design/user metric dialog.bmml
new file mode 100644
index 000000000..5cefaebd5
--- /dev/null
+++ b/doc/design/user metric dialog.bmml	
@@ -0,0 +1,161 @@
+<mockup version="1.0" skin="sketch" fontFace="Balsamiq Sans" measuredW="654" measuredH="544" mockupW="499" mockupH="529">
+  <controls>
+    <control controlID="2" controlTypeID="com.balsamiq.mockups::TitleWindow" x="155" y="15" w="499" h="529" measuredW="450" measuredH="400" zOrder="0" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>User%20Defined%20Metric</text>
+      </controlProperties>
+    </control>
+    <control controlID="3" controlTypeID="com.balsamiq.mockups::Canvas" x="170" y="237" w="471" h="228" measuredW="100" measuredH="70" zOrder="1" locked="false" isInGroup="-1"/>
+    <control controlID="4" controlTypeID="com.balsamiq.mockups::Label" x="170" y="213" w="77" h="-1" measuredW="33" measuredH="21" zOrder="2" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Code</text>
+      </controlProperties>
+    </control>
+    <control controlID="5" controlTypeID="com.balsamiq.mockups::Button" x="552" y="479" w="88" h="27" measuredW="41" measuredH="27" zOrder="3" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>OK</text>
+      </controlProperties>
+    </control>
+    <control controlID="7" controlTypeID="com.balsamiq.mockups::Button" x="449" y="479" w="88" h="27" measuredW="64" measuredH="27" zOrder="4" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>Cancel</text>
+      </controlProperties>
+    </control>
+    <control controlID="8" controlTypeID="com.balsamiq.mockups::Label" x="171" y="487" w="77" h="-1" measuredW="60" measuredH="21" zOrder="5" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Evaluates</text>
+      </controlProperties>
+    </control>
+    <control controlID="9" controlTypeID="com.balsamiq.mockups::Label" x="246" y="489" w="27" h="-1" measuredW="25" measuredH="21" zOrder="6" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>false</bold>
+        <text>200</text>
+      </controlProperties>
+    </control>
+    <control controlID="10" controlTypeID="com.balsamiq.mockups::Label" x="273" y="489" w="50" h="-1" measuredW="34" measuredH="21" zOrder="7" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>false</bold>
+        <text>Watts</text>
+      </controlProperties>
+    </control>
+    <control controlID="11" controlTypeID="com.balsamiq.mockups::Label" x="246" y="468" w="77" h="-1" measuredW="41" measuredH="21" zOrder="8" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Metric</text>
+      </controlProperties>
+    </control>
+    <control controlID="12" controlTypeID="com.balsamiq.mockups::Label" x="333" y="489" w="27" h="-1" measuredW="25" measuredH="21" zOrder="9" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>false</bold>
+        <text>200</text>
+      </controlProperties>
+    </control>
+    <control controlID="13" controlTypeID="com.balsamiq.mockups::Label" x="360" y="489" w="74" h="-1" measuredW="34" measuredH="21" zOrder="10" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>false</bold>
+        <text>Watts</text>
+      </controlProperties>
+    </control>
+    <control controlID="14" controlTypeID="com.balsamiq.mockups::Label" x="333" y="468" w="77" h="-1" measuredW="51" measuredH="21" zOrder="11" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Imperial</text>
+      </controlProperties>
+    </control>
+    <control controlID="15" controlTypeID="com.balsamiq.mockups::Label" x="176" y="239" w="451" h="-1" measuredW="312" measuredH="224" zOrder="12" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>%23%20Average%20Power%20%5Cr%23%20Calculated%20using%20samples%20and%20should%20work%20with%5Cr%23%20variable%20sample%20rates%20since%20it%20%5Cr%23%20accumulates%20joules%20and%20duration.%20%5Crrelevant%20%7B%20Data%20contains%20%22P%22%3B%20%7D%5Crinit%20%7B%20joules%20%3C-%200%3B%20secs%20%3C-%200%3B%20%7D%20%5Cr%5Crsample%20%7B%5Cr%09joules%20%3C-%20joules%20+%20%28POWER%20*%20RECINTSECS%29%3B%5Cr%09secs%20%3C-%20secs%20+%20RECINTSECS%3B%5Cr%20%7D%5Cr%5Crvalue%20%7B%20joules%20/%20seconds%3B%20%7D%5Crcount%20%7B%20seconds%3B%20%7D</text>
+      </controlProperties>
+    </control>
+    <control controlID="16" controlTypeID="com.balsamiq.mockups::Label" x="170" y="50" w="77" h="-1" measuredW="46" measuredH="21" zOrder="13" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Symbol</text>
+      </controlProperties>
+    </control>
+    <control controlID="17" controlTypeID="com.balsamiq.mockups::Label" x="345" y="50" w="77" h="-1" measuredW="72" measuredH="21" zOrder="14" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Description</text>
+      </controlProperties>
+    </control>
+    <control controlID="18" controlTypeID="com.balsamiq.mockups::TextInput" x="243" y="47" w="82" h="-1" measuredW="31" measuredH="27" zOrder="15" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>AP</text>
+      </controlProperties>
+    </control>
+    <control controlID="20" controlTypeID="com.balsamiq.mockups::TextArea" x="434" y="48" w="207" h="91" measuredW="200" measuredH="140" zOrder="16" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>Average%20Power%20computed%20via%20Joules%20to%20account%20for%20variable%20sample%20rates.</text>
+      </controlProperties>
+    </control>
+    <control controlID="21" controlTypeID="com.balsamiq.mockups::Label" x="170" y="159" w="77" h="-1" measuredW="77" measuredH="21" zOrder="17" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Metric%20Units</text>
+      </controlProperties>
+    </control>
+    <control controlID="22" controlTypeID="com.balsamiq.mockups::Label" x="324" y="159" w="104" h="-1" measuredW="87" measuredH="21" zOrder="18" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Imperial%20Units</text>
+      </controlProperties>
+    </control>
+    <control controlID="23" controlTypeID="com.balsamiq.mockups::Label" x="465" y="144" w="80" h="-1" measuredW="68" measuredH="37" zOrder="19" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Conversion%5CrFactor</text>
+      </controlProperties>
+    </control>
+    <control controlID="24" controlTypeID="com.balsamiq.mockups::Label" x="567" y="144" w="77" h="-1" measuredW="68" measuredH="37" zOrder="20" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Conversion%5CrSum</text>
+      </controlProperties>
+    </control>
+    <control controlID="25" controlTypeID="com.balsamiq.mockups::TextInput" x="170" y="180" w="129" h="-1" measuredW="48" measuredH="27" zOrder="21" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>Watts</text>
+      </controlProperties>
+    </control>
+    <control controlID="26" controlTypeID="com.balsamiq.mockups::TextInput" x="324" y="180" w="119" h="-1" measuredW="48" measuredH="27" zOrder="22" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>Watts</text>
+      </controlProperties>
+    </control>
+    <control controlID="27" controlTypeID="com.balsamiq.mockups::TextInput" x="465" y="180" w="80" h="-1" measuredW="38" measuredH="27" zOrder="23" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>1.00</text>
+      </controlProperties>
+    </control>
+    <control controlID="28" controlTypeID="com.balsamiq.mockups::TextInput" x="564" y="180" w="78" h="-1" measuredW="41" measuredH="27" zOrder="24" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>0.00</text>
+      </controlProperties>
+    </control>
+    <control controlID="29" controlTypeID="com.balsamiq.mockups::Label" x="170" y="118" w="77" h="-1" measuredW="57" measuredH="21" zOrder="25" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Precision</text>
+      </controlProperties>
+    </control>
+    <control controlID="30" controlTypeID="com.balsamiq.mockups::TextInput" x="243" y="115" w="82" h="-1" measuredW="23" measuredH="27" zOrder="26" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>2</text>
+      </controlProperties>
+    </control>
+    <control controlID="31" controlTypeID="com.balsamiq.mockups::Label" x="170" y="86" w="77" h="-1" measuredW="31" measuredH="21" zOrder="27" locked="false" isInGroup="-1">
+      <controlProperties>
+        <bold>true</bold>
+        <text>Type</text>
+      </controlProperties>
+    </control>
+    <control controlID="32" controlTypeID="com.balsamiq.mockups::ComboBox" x="243" y="82" w="-1" h="-1" measuredW="77" measuredH="24" zOrder="28" locked="false" isInGroup="-1">
+      <controlProperties>
+        <text>Average</text>
+      </controlProperties>
+    </control>
+  </controls>
+</mockup>
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