diff --git a/src/humanize/__init__.py b/src/humanize/__init__.py
index 6fb9959..ab3aaef 100644
--- a/src/humanize/__init__.py
+++ b/src/humanize/__init__.py
@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+from humanize.bitrate import natural_bitrate
 from humanize.filesize import naturalsize
 from humanize.i18n import activate, deactivate, decimal_separator, thousands_separator
 from humanize.lists import natural_list
@@ -36,6 +37,7 @@
     "intcomma",
     "intword",
     "metric",
+    "natural_bitrate",
     "natural_list",
     "naturaldate",
     "naturalday",
diff --git a/src/humanize/bitrate.py b/src/humanize/bitrate.py
new file mode 100644
index 0000000..c3d1e86
--- /dev/null
+++ b/src/humanize/bitrate.py
@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+
+def natural_bitrate(value: float) -> str:
+    """将比特率数值转换为人类可读的字符串格式。
+
+    Args:
+        value: 比特率数值，单位为bps (bits per second)
+
+    Returns:
+        格式化后的字符串，如 "1 kbps"、"5.2 Mbps" 等
+
+    注意：使用1000进制 (SI Standard)，而非1024。
+    单位范围覆盖：bps 到 Tbps
+    """
+    if value < 0:
+        raise ValueError("Bitrate value cannot be negative")
+
+    units = [
+        "bps",
+        "kbps",
+        "Mbps",
+        "Gbps",
+        "Tbps",
+    ]
+
+    for i, unit in enumerate(units):
+        if value < 1000:
+            if i == 0:
+                # 对于 bps，不保留小数
+                return f"{int(value)} {unit}"
+            else:
+                # 对于其他单位，保留一位小数
+                return f"{value:.1f} {unit}"
+        value /= 1000
+
+    # 如果值超过 Tbps，使用 Tbps 并保留一位小数
+    return f"{value:.1f} {units[-1]}"