diff --git a/sys/fmt/fmt.c b/sys/fmt/fmt.c
index 1e70126931c5..dd3a7f014cfc 100644
--- a/sys/fmt/fmt.c
+++ b/sys/fmt/fmt.c
@@ -530,6 +530,13 @@ void print_byte_hex(uint8_t byte)
     print(buf, sizeof(buf));
 }
 
+void print_byte_dec(uint8_t byte)
+{
+    char buf[3]; /* "255" */
+    size_t len = fmt_u32_dec(buf, byte);
+    print(buf, len);
+}
+
 void print_u32_hex(uint32_t val)
 {
     char buf[8];
diff --git a/sys/include/fmt.h b/sys/include/fmt.h
index b1e0a286bb2f..626dc30e4a56 100644
--- a/sys/include/fmt.h
+++ b/sys/include/fmt.h
@@ -412,6 +412,13 @@ void print_u32_dec(uint32_t val);
  */
 void print_s32_dec(int32_t val);
 
+/**
+ * @brief Print byte value as dec to stdout
+ *
+ * @param[in]  byte Byte value to print
+ */
+void print_byte_dec(const uint8_t byte);
+
 /**
  * @brief Print byte value as hex to stdout
  *
diff --git a/tests/fmt_print/main.c b/tests/fmt_print/main.c
index 1b5ecfba274d..768f3f18fd6f 100644
--- a/tests/fmt_print/main.c
+++ b/tests/fmt_print/main.c
@@ -25,7 +25,10 @@
 int main(void)
 {
     print_str("If you can read this:\n");
+    for (int i = 0; i < 256; i++) {
+        print_byte_dec((uint8_t)i);
+        print_str("\n");
+    }
     print_str("Test successful.\n");
-
     return 0;
 }
diff --git a/tests/fmt_print/tests/01-run.py b/tests/fmt_print/tests/01-run.py
index 9f6f3d734810..edab10113c5f 100755
--- a/tests/fmt_print/tests/01-run.py
+++ b/tests/fmt_print/tests/01-run.py
@@ -6,6 +6,8 @@
 
 def testfunc(child):
     child.expect_exact('If you can read this:')
+    for i in range(0, 255):
+        child.expect_exact(str(i))
     child.expect_exact('Test successful.')