diff --git a/erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.json b/erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.json
index 7acb36eca93..e059777dde2 100644
--- a/erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.json
+++ b/erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.json
@@ -731,7 +731,6 @@
    "label": "Valuation Rate",
    "no_copy": 1,
    "options": "Company:company:default_currency",
-   "precision": "6",
    "print_hide": 1,
    "read_only": 1
   },
@@ -984,7 +983,7 @@
  "idx": 1,
  "istable": 1,
  "links": [],
- "modified": "2025-10-14 13:01:54.441511",
+ "modified": "2026-04-07 15:41:45.687554",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Purchase Invoice Item",
diff --git a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
index a8fb4ab93a0..147bb76064d 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -2917,7 +2917,7 @@ class TestSalesInvoice(FrappeTestCase):
 		si.submit()
 
 		# Check if adjustment entry is created
-		self.assertTrue(
+		self.assertFalse(
 			frappe.db.exists(
 				"GL Entry",
 				{
diff --git a/erpnext/controllers/selling_controller.py b/erpnext/controllers/selling_controller.py
index 20c8a72290b..d5bd3501527 100644
--- a/erpnext/controllers/selling_controller.py
+++ b/erpnext/controllers/selling_controller.py
@@ -616,11 +616,11 @@ class SellingController(StockController):
 							if allow_at_arms_length_price:
 								continue
 
-							rate = flt(
-								flt(d.incoming_rate, d.precision("incoming_rate")) * d.conversion_factor,
-								d.precision("rate"),
-							)
-							if d.rate != rate:
+							rate = flt(flt(d.incoming_rate) * flt(d.conversion_factor or 1.0))
+
+							if flt(d.rate, d.precision("incoming_rate")) != flt(
+								rate, d.precision("incoming_rate")
+							):
 								d.rate = rate
 								frappe.msgprint(
 									_(
diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index e75dd3dacd2..4b6fc4f4054 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -186,8 +186,11 @@ class calculate_taxes_and_totals:
 			bill_for_rejected_quantity_in_purchase_invoice = frappe.get_single_value(
 				"Buying Settings", "bill_for_rejected_quantity_in_purchase_invoice"
 			)
+
+			do_not_round_fields = ["valuation_rate", "incoming_rate"]
+
 			for item in self.doc.items:
-				self.doc.round_floats_in(item)
+				self.doc.round_floats_in(item, do_not_round_fields=do_not_round_fields)
 
 				if item.discount_percentage == 100:
 					item.rate = 0.0
diff --git a/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json b/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
index c8fcdb4c5a7..3a82642873d 100644
--- a/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
+++ b/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
@@ -759,7 +759,6 @@
    "label": "Incoming Rate",
    "no_copy": 1,
    "options": "Company:company:default_currency",
-   "precision": "6",
    "print_hide": 1,
    "read_only": 1
   },
@@ -952,7 +951,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2025-05-31 18:51:32.651562",
+ "modified": "2026-04-07 15:44:20.892151",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Delivery Note Item",
diff --git a/erpnext/stock/doctype/purchase_receipt_item/purchase_receipt_item.json b/erpnext/stock/doctype/purchase_receipt_item/purchase_receipt_item.json
index 463544a9952..8fda1c44702 100644
--- a/erpnext/stock/doctype/purchase_receipt_item/purchase_receipt_item.json
+++ b/erpnext/stock/doctype/purchase_receipt_item/purchase_receipt_item.json
@@ -734,7 +734,6 @@
    "oldfieldname": "valuation_rate",
    "oldfieldtype": "Currency",
    "options": "Company:company:default_currency",
-   "precision": "6",
    "print_hide": 1,
    "print_width": "80px",
    "read_only": 1,
@@ -1149,7 +1148,7 @@
  "idx": 1,
  "istable": 1,
  "links": [],
- "modified": "2025-10-14 12:59:20.384056",
+ "modified": "2026-04-07 15:41:47.032889",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Purchase Receipt Item",