diff --git a/makefile b/makefile
index 536f931..3e28edb 100644
--- a/makefile
+++ b/makefile
@@ -55,3 +55,5 @@ serial:
 clean:
 	rm -f $(OBJS) $(TARGET).elf $(TARGET).hex
 
+size: main.hex
+	avr-size --mcu=atmega328p main.hex
\ No newline at end of file