diff --git a/erpnext/projects/doctype/activity_type/activity_type.js b/erpnext/projects/doctype/activity_type/activity_type.js
index 7eb3571..f1ba882 100644
--- a/erpnext/projects/doctype/activity_type/activity_type.js
+++ b/erpnext/projects/doctype/activity_type/activity_type.js
@@ -1,4 +1,8 @@
 frappe.ui.form.on("Activity Type", {
+	onload: function(frm) {
+		frm.set_currency_labels(["billing_rate", "costing_rate"], frappe.defaults.get_global_default('currency'));
+	},
+
 	refresh: function(frm) {
 		frm.add_custom_button(__("Activity Cost per Employee"), function() {
 			frappe.route_options = {"activity_type": frm.doc.name};
diff --git a/erpnext/projects/doctype/timesheet/timesheet.js b/erpnext/projects/doctype/timesheet/timesheet.js
index 28535d7..532d649 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.js
+++ b/erpnext/projects/doctype/timesheet/timesheet.js
@@ -93,6 +93,7 @@
 			frm.fields_dict["time_logs"].grid.toggle_enable("is_billable", false);
 		}
 		frm.trigger('setup_filters');
+		frm.trigger('set_dynamic_field_label');
 	},
 
 	customer: function(frm) {
@@ -113,6 +114,48 @@
 		frm.refresh();
 	},
 
+	currency: function(frm) {
+		let base_currency = frappe.defaults.get_global_default('currency');
+		if (base_currency != frm.doc.company) {
+			frappe.call({
+				method: "erpnext.setup.utils.get_exchange_rate",
+				args: {
+					from_currency: frm.doc.currency,
+					to_currency: base_currency
+				},
+				callback: function(r) {
+					if (r.message) {
+						frm.set_value('exchange_rate', flt(r.message));
+						frm.set_df_property("exchange_rate", "description", "1 " + frm.doc.currency + " = [?] " + base_currency);
+					}
+				}
+			});
+		}
+		frm.trigger('set_dynamic_field_label');
+	},
+
+	exchange_rate: function(frm) {
+		$.each(frm.doc.time_logs, function(i, d) {
+			calculate_billing_costing_amount(frm, d.doctype, d.name);
+		});
+		calculate_time_and_amount(frm);
+	},
+
+	set_dynamic_field_label: function(frm) {
+		let base_currency = frappe.defaults.get_global_default('currency');
+		frm.set_currency_labels(["base_total_costing_amount", "base_total_billable_amount", "base_total_billed_amount"], base_currency);
+		frm.set_currency_labels(["total_costing_amount", "total_billable_amount", "total_billed_amount"], frm.doc.currency);
+		frm.set_currency_labels(["base_billing_rate", "base_billing_amount", "base_costing_rate", "base_costing_amount"], base_currency, "time_logs");
+		frm.set_currency_labels(["billing_rate", "billing_amount", "costing_rate", "costing_amount"], frm.doc.currency, "time_logs");
+
+		let time_logs_grid = frm.fields_dict.time_logs.grid;
+		$.each(["base_billing_rate", "base_billing_amount", "base_costing_rate", "base_costing_amount"], function(i, d) {
+			if(frappe.meta.get_docfield(time_logs_grid.doctype, d))
+				time_logs_grid.set_column_disp(d, frm.doc.currency != base_currency);
+		});
+		frm.refresh_fields();
+	},
+
 	make_invoice: function(frm) {
 		let fields = [{
 			"fieldtype": "Link",
@@ -204,35 +247,34 @@
 		if(frm.doc.parent_project) {
 			frappe.model.set_value(cdt, cdn, 'project', frm.doc.parent_project);
 		}
-
-		var $trigger_again = $('.form-grid').find('.grid-row').find('.btn-open-row');
-		$trigger_again.on('click', () => {
-			$('.form-grid')
-				.find('[data-fieldname="timer"]')
-				.append(frappe.render_template("timesheet"));
-			frm.trigger("control_timer");
-		});
 	},
+
 	hours: function(frm, cdt, cdn) {
 		calculate_end_time(frm, cdt, cdn);
+		calculate_billing_costing_amount(frm, cdt, cdn);
+		calculate_time_and_amount(frm);
 	},
 
 	billing_hours: function(frm, cdt, cdn) {
 		calculate_billing_costing_amount(frm, cdt, cdn);
+		calculate_time_and_amount(frm);
 	},
 
 	billing_rate: function(frm, cdt, cdn) {
 		calculate_billing_costing_amount(frm, cdt, cdn);
+		calculate_time_and_amount(frm);
 	},
 
 	costing_rate: function(frm, cdt, cdn) {
 		calculate_billing_costing_amount(frm, cdt, cdn);
+		calculate_time_and_amount(frm);
 	},
 
 	is_billable: function(frm, cdt, cdn) {
 		update_billing_hours(frm, cdt, cdn);
 		update_time_rates(frm, cdt, cdn);
 		calculate_billing_costing_amount(frm, cdt, cdn);
+		calculate_time_and_amount(frm);
 	},
 
 	activity_type: function(frm, cdt, cdn) {
@@ -240,7 +282,8 @@
 			method: "erpnext.projects.doctype.timesheet.timesheet.get_activity_cost",
 			args: {
 				employee: frm.doc.employee,
-				activity_type: frm.selected_doc.activity_type
+				activity_type: frm.selected_doc.activity_type,
+				currency: frm.doc.currency
 			},
 			callback: function(r){
 				if(r.message){
@@ -290,17 +333,21 @@
 };
 
 var calculate_billing_costing_amount = function(frm, cdt, cdn) {
-	let child = frappe.get_doc(cdt, cdn);
+	let row = frappe.get_doc(cdt, cdn);
 	let billing_amount = 0.0;
-	let costing_amount = 0.0;
-
-	if (child.billing_hours && child.is_billable) {
-		billing_amount = (child.billing_hours * child.billing_rate);
+	let base_billing_amount = 0.0;
+	let exchange_rate = flt(frm.doc.exchange_rate);
+	frappe.model.set_value(cdt, cdn, 'base_billing_rate', flt(row.billing_rate) * exchange_rate);
+	frappe.model.set_value(cdt, cdn, 'base_costing_rate', flt(row.costing_rate) * exchange_rate);
+	if (row.billing_hours && row.is_billable) {
+		base_billing_amount = flt(row.billing_hours) * flt(row.base_billing_rate);
+		billing_amount = flt(row.billing_hours) * flt(row.billing_rate);
 	}
-	costing_amount = flt(child.costing_rate * child.hours);
+
+	frappe.model.set_value(cdt, cdn, 'base_billing_amount', base_billing_amount);
+	frappe.model.set_value(cdt, cdn, 'base_costing_amount', flt(row.base_costing_rate) * flt(row.hours));
 	frappe.model.set_value(cdt, cdn, 'billing_amount', billing_amount);
-	frappe.model.set_value(cdt, cdn, 'costing_amount', costing_amount);
-	calculate_time_and_amount(frm);
+	frappe.model.set_value(cdt, cdn, 'costing_amount', flt(row.costing_rate) * flt(row.hours));
 };
 
 var calculate_time_and_amount = function(frm) {
diff --git a/erpnext/projects/doctype/timesheet/timesheet.py b/erpnext/projects/doctype/timesheet/timesheet.py
index d864c75..1ee59ae 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.py
+++ b/erpnext/projects/doctype/timesheet/timesheet.py
@@ -14,6 +14,7 @@
 from erpnext.manufacturing.doctype.workstation.workstation import (check_if_within_operating_hours,
 	WorkstationHolidayError)
 from erpnext.manufacturing.doctype.manufacturing_settings.manufacturing_settings import get_mins_between_operations
+from erpnext.setup.utils import get_exchange_rate
 
 class OverlapError(frappe.ValidationError): pass
 class OverWorkLoggedError(frappe.ValidationError): pass
@@ -37,9 +38,9 @@
 		self.total_hours = 0.0
 		self.total_billable_hours = 0.0
 		self.total_billed_hours = 0.0
-		self.total_billable_amount = 0.0
-		self.total_costing_amount = 0.0
-		self.total_billed_amount = 0.0
+		self.total_billable_amount = self.base_total_billable_amount = 0.0
+		self.total_costing_amount = self.base_total_costing_amount = 0.0
+		self.total_billed_amount = self.base_total_billed_amount = 0.0
 
 		for d in self.get("time_logs"):
 			self.update_billing_hours(d)
@@ -47,10 +48,13 @@
 
 			self.total_hours += flt(d.hours)
 			self.total_costing_amount += flt(d.costing_amount)
+			self.base_total_costing_amount += flt(d.base_costing_amount)
 			if d.is_billable:
 				self.total_billable_hours += flt(d.billing_hours)
 				self.total_billable_amount += flt(d.billing_amount)
+				self.base_total_billable_amount += flt(d.base_billing_amount)
 				self.total_billed_amount += flt(d.billing_amount) if d.sales_invoice else 0.0
+				self.base_total_billed_amount += flt(d.base_billing_amount) if d.sales_invoice else 0.0
 				self.total_billed_hours += flt(d.billing_hours) if d.sales_invoice else 0.0
 
 	def calculate_percentage_billed(self):
@@ -330,12 +334,17 @@
 	})
 
 @frappe.whitelist()
-def get_activity_cost(employee=None, activity_type=None):
+def get_activity_cost(employee=None, activity_type=None, currency=None):
+	base_currency = frappe.defaults.get_global_default('currency')
 	rate = frappe.db.get_values("Activity Cost", {"employee": employee,
 		"activity_type": activity_type}, ["costing_rate", "billing_rate"], as_dict=True)
 	if not rate:
 		rate = frappe.db.get_values("Activity Type", {"activity_type": activity_type},
 			["costing_rate", "billing_rate"], as_dict=True)
+		if rate and currency and currency!=base_currency:
+			exchnage_rate = get_exchange_rate(base_currency, currency)
+			rate[0]["costing_rate"] = rate[0]["costing_rate"] * exchnage_rate
+			rate[0]["billing_rate"] = rate[0]["billing_rate"] * exchnage_rate
 
 	return rate[0] if rate else {}
 
diff --git a/erpnext/projects/doctype/timesheet_detail/timesheet_detail.json b/erpnext/projects/doctype/timesheet_detail/timesheet_detail.json
index 0c9ed0b..ee04c61 100644
--- a/erpnext/projects/doctype/timesheet_detail/timesheet_detail.json
+++ b/erpnext/projects/doctype/timesheet_detail/timesheet_detail.json
@@ -31,9 +31,13 @@
   "column_break_8",
   "billing_hours",
   "section_break_11",
+  "base_billing_rate",
+  "base_billing_amount",
+  "base_costing_rate",
+  "base_costing_amount",
+  "column_break_14",
   "billing_rate",
   "billing_amount",
-  "column_break_14",
   "costing_rate",
   "costing_amount"
  ],
@@ -230,12 +234,40 @@
    "fieldname": "description",
    "fieldtype": "Small Text",
    "label": "Description"
+  },
+  {
+   "fieldname": "base_billing_rate",
+   "fieldtype": "Currency",
+   "label": "Billing Rate",
+   "print_hide": 1,
+   "read_only": 1
+  },
+  {
+   "fieldname": "base_billing_amount",
+   "fieldtype": "Currency",
+   "label": "Billing Amount",
+   "print_hide": 1,
+   "read_only": 1
+  },
+  {
+   "fieldname": "base_costing_rate",
+   "fieldtype": "Currency",
+   "label": "Costing Rate",
+   "print_hide": 1,
+   "read_only": 1
+  },
+  {
+   "fieldname": "base_costing_amount",
+   "fieldtype": "Currency",
+   "label": "Costing Amount",
+   "print_hide": 1,
+   "read_only": 1
   }
  ],
  "idx": 1,
  "istable": 1,
  "links": [],
- "modified": "2021-05-15 16:16:10.688694",
+ "modified": "2021-05-18 12:19:33.205940",
  "modified_by": "Administrator",
  "module": "Projects",
  "name": "Timesheet Detail",