diff --git a/awx/main/models/unified_jobs.py b/awx/main/models/unified_jobs.py
index 76a2895bf8..6bc85e3162 100644
--- a/awx/main/models/unified_jobs.py
+++ b/awx/main/models/unified_jobs.py
@@ -4,6 +4,7 @@
 # Python
 from io import StringIO
 import datetime
+import decimal
 import codecs
 import json
 import logging
@@ -842,15 +843,16 @@ class UnifiedJob(
             if 'finished' not in update_fields:
                 update_fields.append('finished')
 
+        dq = decimal.Decimal('1.000')
+        if self.elapsed is None:
+            self.elapsed = decimal.Decimal(0.0).quantize(dq)
+
         # If we have a start and finished time, and haven't already calculated
         # out the time that elapsed, do so.
-        if self.started and self.finished and not self.elapsed:
+        if self.started and self.finished and self.elapsed == 0.0:
             td = self.finished - self.started
-            elapsed = (td.microseconds + (td.seconds + td.days * 24 * 3600) * 10 ** 6) / (10 ** 6 * 1.0)
-        else:
-            elapsed = 0.0
-        if self.elapsed != elapsed:
-            self.elapsed = str(elapsed)
+            elapsed = decimal.Decimal(td.total_seconds())
+            self.elapsed = elapsed.quantize(dq)
             if 'elapsed' not in update_fields:
                 update_fields.append('elapsed')
 
diff --git a/awx_collection/test/awx/test_ad_hoc_wait.py b/awx_collection/test/awx/test_ad_hoc_wait.py
index 943268184a..5718783015 100644
--- a/awx_collection/test/awx/test_ad_hoc_wait.py
+++ b/awx_collection/test/awx/test_ad_hoc_wait.py
@@ -13,9 +13,10 @@ def test_ad_hoc_command_wait_successful(run_module, admin_user):
     command = AdHocCommand.objects.create(status='successful', started=now(), finished=now())
     result = run_module('tower_ad_hoc_command_wait', dict(command_id=command.id), admin_user)
     result.pop('invocation', None)
+    result['elapsed'] = float(result['elapsed'])
     assert result.pop('finished', '')[:10] == str(command.finished)[:10]
     assert result.pop('started', '')[:10] == str(command.started)[:10]
-    assert result == {"status": "successful", "changed": False, "elapsed": str(command.elapsed), "id": command.id}
+    assert result == {"status": "successful", "changed": False, "elapsed": command.elapsed, "id": command.id}
 
 
 @pytest.mark.django_db
@@ -23,13 +24,14 @@ def test_ad_hoc_command_wait_failed(run_module, admin_user):
     command = AdHocCommand.objects.create(status='failed', started=now(), finished=now())
     result = run_module('tower_ad_hoc_command_wait', dict(command_id=command.id), admin_user)
     result.pop('invocation', None)
+    result['elapsed'] = float(result['elapsed'])
     assert result.pop('finished', '')[:10] == str(command.finished)[:10]
     assert result.pop('started', '')[:10] == str(command.started)[:10]
     assert result == {
         "status": "failed",
         "failed": True,
         "changed": False,
-        "elapsed": str(command.elapsed),
+        "elapsed": command.elapsed,
         "id": command.id,
         "msg": "The ad hoc command - 1, failed",
     }
diff --git a/awx_collection/test/awx/test_job.py b/awx_collection/test/awx/test_job.py
index 012c1fd9d1..107d7c1616 100644
--- a/awx_collection/test/awx/test_job.py
+++ b/awx_collection/test/awx/test_job.py
@@ -13,9 +13,10 @@ def test_job_wait_successful(run_module, admin_user):
     job = Job.objects.create(status='successful', started=now(), finished=now())
     result = run_module('tower_job_wait', dict(job_id=job.id), admin_user)
     result.pop('invocation', None)
+    result['elapsed'] = float(result['elapsed'])
     assert result.pop('finished', '')[:10] == str(job.finished)[:10]
     assert result.pop('started', '')[:10] == str(job.started)[:10]
-    assert result == {"status": "successful", "changed": False, "elapsed": str(job.elapsed), "id": job.id}
+    assert result == {"status": "successful", "changed": False, "elapsed": job.elapsed, "id": job.id}
 
 
 @pytest.mark.django_db
@@ -23,9 +24,10 @@ def test_job_wait_failed(run_module, admin_user):
     job = Job.objects.create(status='failed', started=now(), finished=now())
     result = run_module('tower_job_wait', dict(job_id=job.id), admin_user)
     result.pop('invocation', None)
+    result['elapsed'] = float(result['elapsed'])
     assert result.pop('finished', '')[:10] == str(job.finished)[:10]
     assert result.pop('started', '')[:10] == str(job.started)[:10]
-    assert result == {"status": "failed", "failed": True, "changed": False, "elapsed": str(job.elapsed), "id": job.id, "msg": "Job with id 1 failed"}
+    assert result == {"status": "failed", "failed": True, "changed": False, "elapsed": job.elapsed, "id": job.id, "msg": "Job with id 1 failed"}
 
 
 @pytest.mark.django_db