diff --git a/cypress/integration/control_float.js b/cypress/integration/control_float.js
new file mode 100644
index 0000000000..670d1fe73e
--- /dev/null
+++ b/cypress/integration/control_float.js
@@ -0,0 +1,93 @@
+context("Control Float", () => {
+	before(() => {
+		cy.login();
+		cy.visit("/app/website");
+	});
+
+	function get_dialog_with_float() {
+		return cy.dialog({
+			title: "Float Check",
+			fields: [
+				{
+					fieldname: "float_number",
+					fieldtype: "Float",
+					Label: "Float"
+				}
+			]
+		});
+	}
+
+	it("check value changes", () => {
+		get_dialog_with_float().as("dialog");
+
+		let data = get_data();
+		data.forEach(x => {
+			cy.window()
+				.its("frappe")
+				.then(frappe => {
+					frappe.boot.sysdefaults.number_format = x.number_format;
+				});
+			x.values.forEach(d => {
+				cy.get_field("float_number", "Float").clear();
+				cy.fill_field("float_number", d.input, "Float").blur();
+				cy.get_field("float_number", "Float").should(
+					"have.value",
+					d.blur_expected
+				);
+
+				cy.get_field("float_number", "Float").focus();
+				cy.get_field("float_number", "Float").blur();
+				cy.get_field("float_number", "Float").focus();
+				cy.get_field("float_number", "Float").should(
+					"have.value",
+					d.focus_expected
+				);
+			});
+		});
+	});
+
+	function get_data() {
+		return [
+			{
+				number_format: "#.###,##",
+				values: [
+					{
+						input: "364.87,334",
+						blur_expected: "36.487,334",
+						focus_expected: "36487.334"
+					},
+					{
+						input: "36487,334",
+						blur_expected: "36.487,334",
+						focus_expected: "36487.334"
+					},
+					{
+						input: "100",
+						blur_expected: "100,000",
+						focus_expected: "100"
+					}
+				]
+			},
+			{
+				number_format: "#,###.##",
+				values: [
+					{
+						input: "364,87.334",
+						blur_expected: "36,487.334",
+						focus_expected: "36487.334"
+					},
+					{
+						input: "36487.334",
+						blur_expected: "36,487.334",
+						focus_expected: "36487.334"
+					},
+					{
+						input: "100",
+						blur_expected: "100.000",
+						focus_expected: "100"
+					}
+				]
+			}
+		];
+	}
+});
diff --git a/frappe/public/js/frappe/form/controls/float.js b/frappe/public/js/frappe/form/controls/float.js
index 89f8f23cc5..e00f74238c 100644
--- a/frappe/public/js/frappe/form/controls/float.js
+++ b/frappe/public/js/frappe/form/controls/float.js
@@ -1,4 +1,17 @@
 frappe.ui.form.ControlFloat = class ControlFloat extends frappe.ui.form.ControlInt {
+
+	make_input() {
+		super.make_input();
+		const change_handler = e => {
+			if (this.change) this.change(e);
+			else {
+				let value = this.get_input_value();
+				this.parse_validate_and_set_in_model(value, e);
+			}
+		};
+		// convert to number format on focusout since focus converts it to flt.
+		this.$input.on("focusout", change_handler);
+	}
 	parse(value) {
 		value = this.eval_expression(value);
 		return isNaN(parseFloat(value)) ? null : flt(value, this.get_precision());
diff --git a/frappe/public/js/frappe/utils/number_format.js b/frappe/public/js/frappe/utils/number_format.js
index 1c39f42ec5..32e3669caf 100644
--- a/frappe/public/js/frappe/utils/number_format.js
+++ b/frappe/public/js/frappe/utils/number_format.js
@@ -8,7 +8,12 @@ if (!window.frappe) window.frappe = {};
 function flt(v, decimals, number_format) {
 	if (v == null || v == '') return 0;
 
-	if (typeof v !== "number") {
+	if (!(typeof v === "number" || String(parseFloat(v)) == v)) {
+		// cases in which this block should not run
+		// 1. 'v' is already a number
+		// 2. v is already parsed but in string form
+		// if (typeof v !== "number") {
+
 		v = v + "";
 
 		// strip currency symbol if exists
@@ -25,6 +30,7 @@ function flt(v, decimals, number_format) {
 			v = 0;
 	}
 
+	v = parseFloat(v);
 	if (decimals != null)
 		return _round(v, decimals);
 	return v;