diff --git a/src/stats.py b/src/stats.py
--- a/src/stats.py
+++ b/src/stats.py
@@ -22,7 +22,19 @@ def logTransferredBlock():
 
 
 def report():
-	return """received {r}B
-sent {s}B
-exchanged {nodes} hash tree nodes
-transferred {blocks} blocks""".format(r=Stats.received, s=Stats.sent, nodes=Stats.exchangedNodes, blocks=Stats.transferredBlocks)
+	return """received {rf} ({r:,} B)
+sent {sf} ({s:,} B)
+exchanged {nodes:,} hash tree nodes
+transferred {blocks:,} blocks""".format(rf=formatBytes(Stats.received), r=Stats.received, sf=formatBytes(Stats.sent), s=Stats.sent, nodes=Stats.exchangedNodes, blocks=Stats.transferredBlocks)
+
+
+def formatBytes(x):
+	exts=["B","kiB","MiB","GiB","TiB","PiB"]
+	i=0
+	while x>1024:
+		x/=1024
+		i+=1
+	if x>=100: x=round(x)
+	elif x>=10: x=round(x,1)
+	else: x=round(x,2)
+	return "{0} {1}".format(x,exts[i])