diff --git a/libethcore/CommonEth.cpp b/libethcore/CommonEth.cpp
index 5e510572e..9801bc89f 100644
--- a/libethcore/CommonEth.cpp
+++ b/libethcore/CommonEth.cpp
@@ -48,7 +48,7 @@ static const vector<pair<u256, string>> g_units =
 	{((u256(1000000000) * 1000000000) * 1000000000) * 1000, "Tether"},
 	{(u256(1000000000) * 1000000000) * 1000000000, "Gether"},
 	{(u256(1000000000) * 1000000000) * 1000000, "Mether"},
-	{(u256(1000000000) * 1000000000) * 1000, "Kether"},
+	{(u256(1000000000) * 1000000000) * 1000, "grand"},
 	{u256(1000000000) * 1000000000, "ether"},
 	{u256(1000000000) * 1000000, "finney"},
 	{u256(1000000000) * 1000, "szabo"},
diff --git a/libethcore/CommonEth.h b/libethcore/CommonEth.h
index be7db8434..704e354a2 100644
--- a/libethcore/CommonEth.h
+++ b/libethcore/CommonEth.h
@@ -48,7 +48,7 @@ std::vector<std::pair<u256, std::string>> const& units();
 using LogBloom = h512;
 
 // The various denominations; here for ease of use where needed within code.
-static const u256 Uether = ((((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000;
+/*static const u256 Uether = ((((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000;
 static const u256 Vether = ((((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000;
 static const u256 Dether = ((((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000;
 static const u256 Nether = (((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000;
@@ -59,13 +59,13 @@ static const u256 Pether = ((u256(1000000000) * 1000000000) * 1000000000) * 1000
 static const u256 Tether = ((u256(1000000000) * 1000000000) * 1000000000) * 1000;
 static const u256 Gether = (u256(1000000000) * 1000000000) * 1000000000;
 static const u256 Mether = (u256(1000000000) * 1000000000) * 1000000;
-static const u256 Kether = (u256(1000000000) * 1000000000) * 1000;
+static const u256 grand = (u256(1000000000) * 1000000000) * 1000;*/
 static const u256 ether = u256(1000000000) * 1000000000;
 static const u256 finney = u256(1000000000) * 1000000;
 static const u256 szabo = u256(1000000000) * 1000;
-static const u256 Gwei = u256(1000000000);
+/*static const u256 Gwei = u256(1000000000);
 static const u256 Mwei = u256(1000000);
-static const u256 Kwei = u256(1000);
+static const u256 Kwei = u256(1000);*/
 static const u256 wei = u256(1);
 
 }
diff --git a/libjsqrc/ethereum.js b/libjsqrc/ethereum.js
index cc8afc932..0a27f3905 100644
--- a/libjsqrc/ethereum.js
+++ b/libjsqrc/ethereum.js
@@ -714,6 +714,25 @@ var web3 = {
         return "0x" + hex;
     },
 
+    toEth: function(str) {
+        var val = parseInt(str, 16);
+        var unit = 0;
+        var units = [ 'wei', 'Kwei', 'Mwei', 'Gwei', 'szabo', 'finney', 'ether', 'grand', 'Mether', 'Gether', 'Tether', 'Pether', 'Eether', 'Zether', 'Yether', 'Nether', 'Dether', 'Vether', 'Uether' ];
+        while (val > 3000 && unit < units.length - 1)
+        {
+            val /= 1000;
+            unit++;
+        }
+        var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);
+        while (true) {
+            var o = s;
+            s = s.replace(/(\d)(\d\d\d[\.\,])/, function($0, $1, $2) { return $1 + ',' + $2; });
+            if (o == s)
+                break;
+        }
+        return s + ' ' + units[unit];
+    },
+
     eth: {
         prototype: Object(), // jshint ignore:line
         watch: function (params) {
@@ -1065,4 +1084,4 @@ module.exports = web3;
 },{"./lib/autoprovider":2,"./lib/contract":3,"./lib/httprpc":4,"./lib/main":5,"./lib/qt":6,"./lib/websocket":7}]},{},[])
 
 
-//# sourceMappingURL=ethereum.js.map
\ No newline at end of file
+//# sourceMappingURL=ethereum.js.map