diff --git a/tool/metrics/Makefile b/tool/metrics/Makefile
index 285e0e173..e6f6823f3 100644
--- a/tool/metrics/Makefile
+++ b/tool/metrics/Makefile
@@ -18,13 +18,16 @@ SRC_CLASSIC_FILES=$(wildcard ${BTSTACK_ROOT}/src/classic/*.c)
 
 SRCS = ${SRC_FILES} ${SRC_BLE_FILES} ${SRC_BLE_GATT_SERVICE_FILES} ${SRC_CLASSIC_FILES}
 
-all: metrics.txt
+all: metrics.md metrics.html
 
 metrics.tsv: ${SRCS}
 	ccsm --disable-file --disable-global --exclude-std-headers --exclude-file=.h$$ --output-format=tsv --output-metrics=HIS_.* $^ -- -isystem ${C_HEADERS}/c90 -isystem ${C_HEADERS}/c99 ${INCLUDES} > $@
 
-metrics.txt: metrics.tsv metrics-ccsm.py
-	./metrics-ccsm.py > metrics.txt
+metrics.md: metrics.tsv metrics-ccsm.py
+	./metrics-ccsm.py > metrics.md
+
+metrics.html: metrics.md
+	pandoc --from markdown --to html -o metrics.html metrics.md
 
 clean:
-	rm -f metrics.tsv metrics.txt
+	rm -f metrics.tsv metrics.md