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diff --git a/addons/product/models/uom_uom.py b/addons/product/models/uom_uom.py
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+++ b/addons/product/models/uom_uom.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, models, _
+
+
+class UoM(models.Model):
+    _inherit = 'uom.uom'
+
+    @api.onchange('rounding')
+    def _onchange_rounding(self):
+        precision = self.env['decimal.precision'].precision_get('Product Unit of Measure')
+        if self.rounding < 1.0 / 10.0**precision:
+            return {'warning': {
+                'title': _('Warning!'),
+                'message': _(
+                    "This rounding precision is higher than the Decimal Accuracy"
+                    " (%s digits).\nThis may cause inconsistencies in computations.\n"
+                    "Please set a precision between %s and 1."
+                ) % (precision, 1.0 / 10.0**precision),
+            }}