diff --git a/CHANGELOG.md b/CHANGELOG.md
index 37ad080..0a01b51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,10 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.8.0] - 2026-08-31
+
+- Time delta nodes can now be converted to seconds (float) and milliseconds (int)
 
 ## [1.7.0] - 2026-08-27
 
-### Added
-
 - String save node now supports append mode
diff --git a/README.md b/README.md
index aa54a38..b1f82be 100644
--- a/README.md
+++ b/README.md
@@ -179,6 +179,7 @@ Date and time manipulation nodes:
 - **String formatting/parsing**: TimeFormat, TimeParse
 - **Time calculations**: TimeDelta, TimeAddDelta, TimeSubtractDelta, TimeDifference
 - **Component extraction**: TimeExtract (year, month, day, hour, etc.)
+- **Duration conversion**: TimeDeltaToSeconds (float seconds), TimeDeltaToMilliseconds (int milliseconds)
 
 ## Understanding Data Types
 
diff --git a/pyproject.toml b/pyproject.toml
index 5b2af7c..82b8ff5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "basic_data_handling"
-version = "1.7.0"
+version = "1.8.0"
 description = """Basic Python functions for manipulating data that every programmer is used to, lightweight with no additional dependencies.
 
 Supported data types:
diff --git a/src/basic_data_handling/time_nodes.py b/src/basic_data_handling/time_nodes.py
index ad86c7e..6b7f20b 100644
--- a/src/basic_data_handling/time_nodes.py
+++ b/src/basic_data_handling/time_nodes.py
@@ -317,6 +317,59 @@ class TimeExtract(ComfyNodeABC):
                 datetime.minute, datetime.second, datetime.microsecond, datetime.weekday())
 
 
+class TimeDeltaToSeconds(ComfyNodeABC):
+    """
+    Converts a TIMEDELTA object to a float representing its duration in seconds.
+    A value of 1.0 corresponds to a time delta of one second.
+    """
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "delta": (IO.TIMEDELTA, {}),
+            }
+        }
+
+    RETURN_TYPES = (IO.FLOAT,)
+    RETURN_NAMES = ("seconds",)
+    CATEGORY = "Basic/time"
+    DESCRIPTION = cleandoc(__doc__ or "")
+    FUNCTION = "to_seconds"
+
+    def to_seconds(self, delta: datetime.timedelta) -> tuple[float]:
+        """
+        Converts a timedelta to a float value representing seconds.
+        """
+        return (delta.total_seconds(),)
+
+
+class TimeDeltaToMilliseconds(ComfyNodeABC):
+    """
+    Converts a TIMEDELTA object to an integer representing its duration in milliseconds.
+    A value of 1 corresponds to a time delta of one millisecond, rounded to the nearest millisecond.
+    """
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "delta": (IO.TIMEDELTA, {}),
+            }
+        }
+
+    RETURN_TYPES = (IO.INT,)
+    RETURN_NAMES = ("milliseconds",)
+    CATEGORY = "Basic/time"
+    DESCRIPTION = cleandoc(__doc__ or "")
+    FUNCTION = "to_milliseconds"
+
+    def to_milliseconds(self, delta: datetime.timedelta) -> tuple[int]:
+        """
+        Converts a timedelta to an integer value representing milliseconds,
+        rounded to the nearest millisecond.
+        """
+        return (round(delta.total_seconds() * 1000),)
+
+
 NODE_CLASS_MAPPINGS = {
     "Basic data handling: TimeNow": TimeNow,
     "Basic data handling: TimeNowUTC": TimeNowUTC,
@@ -329,6 +382,8 @@ NODE_CLASS_MAPPINGS = {
     "Basic data handling: TimeSubtractDelta": TimeSubtractDelta,
     "Basic data handling: TimeDifference": TimeDifference,
     "Basic data handling: TimeExtract": TimeExtract,
+    "Basic data handling: TimeDeltaToSeconds": TimeDeltaToSeconds,
+    "Basic data handling: TimeDeltaToMilliseconds": TimeDeltaToMilliseconds,
 }
 
 NODE_DISPLAY_NAME_MAPPINGS = {
@@ -343,4 +398,6 @@ NODE_DISPLAY_NAME_MAPPINGS = {
     "Basic data handling: TimeSubtractDelta": "Subtract Time Delta",
     "Basic data handling: TimeDifference": "Time Difference",
     "Basic data handling: TimeExtract": "Extract Time Components",
+    "Basic data handling: TimeDeltaToSeconds": "Time Delta to Seconds",
+    "Basic data handling: TimeDeltaToMilliseconds": "Time Delta to Milliseconds",
 }
diff --git a/tests/test_time_nodes.py b/tests/test_time_nodes.py
index 63c14ae..cb403de 100644
--- a/tests/test_time_nodes.py
+++ b/tests/test_time_nodes.py
@@ -13,6 +13,8 @@ from src.basic_data_handling.time_nodes import (
     TimeSubtractDelta,
     TimeDifference,
     TimeExtract,
+    TimeDeltaToSeconds,
+    TimeDeltaToMilliseconds,
 )
 
 def test_time_now():
@@ -209,3 +211,60 @@ def test_time_extract():
     assert microsecond == 123456
     # January 2, 2023 was a Monday (weekday 0)
     assert weekday == 0
+
+def test_time_delta_to_seconds():
+    node = TimeDeltaToSeconds()
+
+    # One second should equal 1.0
+    result = node.to_seconds(timedelta(seconds=1))
+    assert isinstance(result, tuple)
+    assert len(result) == 1
+    assert isinstance(result[0], float)
+    assert result[0] == 1.0
+
+    # Larger durations
+    result = node.to_seconds(timedelta(days=1, hours=2, minutes=30))
+    assert result[0] == 24*60*60 + 2*60*60 + 30*60
+
+    # Sub-second durations remain fractional
+    result = node.to_seconds(timedelta(milliseconds=500))
+    assert result[0] == 0.5
+
+    # Negative deltas
+    result = node.to_seconds(timedelta(seconds=-2))
+    assert result[0] == -2.0
+
+def test_time_delta_to_milliseconds():
+    node = TimeDeltaToMilliseconds()
+
+    # One millisecond should equal 1
+    result = node.to_milliseconds(timedelta(milliseconds=1))
+    assert isinstance(result, tuple)
+    assert len(result) == 1
+    assert isinstance(result[0], int)
+    assert result[0] == 1
+
+    # One second is 1000 milliseconds
+    result = node.to_milliseconds(timedelta(seconds=1))
+    assert result[0] == 1000
+
+    # Larger durations
+    result = node.to_milliseconds(timedelta(seconds=90))
+    assert result[0] == 90000
+
+    # Negative deltas
+    result = node.to_milliseconds(timedelta(milliseconds=-5))
+    assert result[0] == -5
+
+    # Sub-millisecond durations are rounded to the nearest millisecond
+    # 0.51 ms rounds up to 1
+    result = node.to_milliseconds(timedelta(microseconds=510))
+    assert result[0] == 1
+
+    # 0.49 ms rounds down to 0
+    result = node.to_milliseconds(timedelta(microseconds=490))
+    assert result[0] == 0
+
+    # 0.999 ms rounds up to 1
+    result = node.to_milliseconds(timedelta(microseconds=999))
+    assert result[0] == 1