diff --git a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/__init__.py b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/__init__.py
similarity index 100%
rename from erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/__init__.py
rename to erpnext/projects/report/employee_hours_utilization_based_on_timesheet/__init__.py
diff --git a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.js b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.js
similarity index 92%
rename from erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.js
rename to erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.js
index e9b817a..2a5ea36 100644
--- a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.js
+++ b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.js
@@ -2,7 +2,7 @@
 // For license information, please see license.txt
 /* eslint-disable */
 
-frappe.query_reports["Employee Hours Utilisation Based On Timesheet"] = {
+frappe.query_reports["Employee Hours Utilization Based On Timesheet"] = {
 	"filters": [
 		{
 			fieldname: "company",
diff --git a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.json b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.json
similarity index 63%
rename from erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.json
rename to erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.json
index 1b504e0..5ff8186 100644
--- a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.json
+++ b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.json
@@ -1,7 +1,7 @@
 {
  "add_total_row": 0,
  "columns": [],
- "creation": "2021-03-30 12:18:02.090630",
+ "creation": "2021-04-05 19:23:43.838623",
  "disable_prepared_report": 0,
  "disabled": 0,
  "docstatus": 0,
@@ -9,14 +9,14 @@
  "filters": [],
  "idx": 0,
  "is_standard": "Yes",
- "modified": "2021-03-30 12:18:02.090630",
+ "modified": "2021-04-05 19:23:43.838623",
  "modified_by": "Administrator",
  "module": "Projects",
- "name": "Employee Hours Utilisation Based On Timesheet",
+ "name": "Employee Hours Utilization Based On Timesheet",
  "owner": "Administrator",
  "prepared_report": 0,
  "ref_doctype": "Timesheet",
- "report_name": "Employee Hours Utilisation Based On Timesheet",
+ "report_name": "Employee Hours Utilization Based On Timesheet",
  "report_type": "Script Report",
  "roles": []
 }
\ No newline at end of file
diff --git a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.py b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.py
similarity index 91%
rename from erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.py
rename to erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.py
index 19cb1c9..bc9dc7d 100644
--- a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/employee_hours_utilisation_based_on_timesheet.py
+++ b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/employee_hours_utilization_based_on_timesheet.py
@@ -11,7 +11,7 @@
 	return EmployeeHoursReport(filters).run()
 
 class EmployeeHoursReport:
-	'''Employee Hours Utilisation Report Based On Timesheet'''
+	'''Employee Hours Utilization Report Based On Timesheet'''
 	def __init__(self, filters=None):
 		self.filters = frappe._dict(filters or {})
 
@@ -78,7 +78,7 @@
 	def generate_data(self):
 		self.generate_filtered_time_logs()
 		self.generate_stats_by_employee()
-		self.calculate_utilisations()
+		self.calculate_utilizations()
 
 		self.data = []
 
@@ -88,7 +88,7 @@
 			row.update(data)
 			self.data.append(row)
 
-		#  Sort by descending order of percentage utilisation
+		#  Sort by descending order of percentage utilization
 		self.data.sort(key=lambda x: x['per_util'], reverse=True)
 
 	def generate_filtered_time_logs(self):
@@ -128,7 +128,7 @@
 			else:
 				self.stats_by_employee[emp]['non_billed_hours'] += flt(hours, 2)
 
-	def calculate_utilisations(self):
+	def calculate_utilizations(self):
 		# (9.0) Will be fetched from HR settings
 		TOTAL_HOURS = flt(9.0 * self.day_span, 2)
 		for emp, data in iteritems(self.stats_by_employee):
@@ -147,25 +147,25 @@
 		if not self.data:
 			return 
 
-		avg_utilisation = 0.0
+		avg_utilization = 0.0
 		total_billed, total_non_billed = 0.0, 0.0
 		total_untracked = 0.0
 
 		for row in self.data:
-			avg_utilisation += row['per_util']
+			avg_utilization += row['per_util']
 			total_billed += row['billed_hours']
 			total_non_billed += row['non_billed_hours']
 			total_untracked += row['untracked_hours']
 
-		avg_utilisation /= len(self.data)
-		avg_utilisation = flt(avg_utilisation, 2)
+		avg_utilization /= len(self.data)
+		avg_utilization = flt(avg_utilization, 2)
 
 		THRESHOLD_PERCENTAGE = 70.0
 		self.report_summary = [
 			{
-				'value': f'{avg_utilisation}%',
-				'indicator': 'Red' if avg_utilisation < THRESHOLD_PERCENTAGE else 'Green',
-				'label': _('Average Utilisation'),
+				'value': f'{avg_utilization}%',
+				'indicator': 'Red' if avg_utilization < THRESHOLD_PERCENTAGE else 'Green',
+				'label': _('Average Utilization'),
 				'datatype': 'Percentage'
 			},
 			{
diff --git a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/test_employee_util.py b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/test_employee_util.py
similarity index 92%
rename from erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/test_employee_util.py
rename to erpnext/projects/report/employee_hours_utilization_based_on_timesheet/test_employee_util.py
index adf55af..5306b92 100644
--- a/erpnext/projects/report/employee_hours_utilisation_based_on_timesheet/test_employee_util.py
+++ b/erpnext/projects/report/employee_hours_utilization_based_on_timesheet/test_employee_util.py
@@ -4,11 +4,11 @@
 
 from frappe.utils.make_random import get_random
 from frappe.utils import get_timestamp
-from erpnext.projects.report.employee_hours_utilisation_based_on_timesheet.employee_hours_utilisation_based_on_timesheet import execute
+from erpnext.projects.report.employee_hours_utilization_based_on_timesheet.employee_hours_utilization_based_on_timesheet import execute
 from erpnext.hr.doctype.employee.test_employee import make_employee
 from erpnext.projects.doctype.project.test_project import make_project
 
-class TestEmployeeUtilisation(unittest.TestCase):
+class TestEmployeeUtilization(unittest.TestCase):
     @classmethod
     def setUpClass(cls):
         # Create test employee
@@ -69,7 +69,7 @@
         frappe.db.sql("DELETE FROM `tabTimesheet` WHERE company='_Test Company'")
         frappe.db.sql(f"DELETE FROM `tabProject` WHERE name='{cls.test_project.name}'")
 
-    def test_utilisation_report_with_required_filters_only(self):
+    def test_utilization_report_with_required_filters_only(self):
         filters = {
             "company": "_Test Company",
             "from_date": "2021-04-01",
@@ -99,7 +99,7 @@
 
         self.assertEqual(report[1], expected_data)
     
-    def test_utilisation_report_for_single_employee(self):
+    def test_utilization_report_for_single_employee(self):
         filters = {
             "company": "_Test Company",
             "from_date": "2021-04-01",
@@ -122,7 +122,7 @@
 
         self.assertEqual(report[1], expected_data)
 
-    def test_utilisation_report_for_project(self):
+    def test_utilization_report_for_project(self):
         filters = {
             "company": "_Test Company",
             "from_date": "2021-04-01",