diff --git a/support-frontend/assets/helpers/tracking/quantumMetric.ts b/support-frontend/assets/helpers/tracking/quantumMetric.ts
index bc74e53661..65dbbf6dce 100644
--- a/support-frontend/assets/helpers/tracking/quantumMetric.ts
+++ b/support-frontend/assets/helpers/tracking/quantumMetric.ts
@@ -4,6 +4,7 @@ import type { Participations } from 'helpers/abTests/abtest';
 import type { ContributionType } from 'helpers/contributions';
 import type { PaymentMethod } from 'helpers/forms/paymentMethods';
 import type { IsoCurrency } from 'helpers/internationalisation/currency';
+import type { ProductKey } from 'helpers/productCatalog';
 import type { BillingPeriod } from 'helpers/productPrice/billingPeriods';
 import type { ProductPrice } from 'helpers/productPrice/productPrices';
 import type { SubscriptionProduct } from 'helpers/productPrice/subscriptions';
@@ -11,6 +12,7 @@ import { logException } from 'helpers/utilities/logger';
 import type { ReferrerAcquisitionData } from './acquisitions';
 import {
 	canRunQuantumMetric,
+	getCheckoutAnnualValue,
 	getContributionAnnualValue,
 	getSubscriptionAnnualValue,
 	waitForQuantumMetricAPi,
@@ -22,6 +24,8 @@ type SendEventTestParticipationId = 30;
 
 type SendEventPageViewId = 181;
 
+type SendEventCheckoutValueId = 182;
+
 enum SendEventAcquisitionDataFromQueryParam {
 	Source = 94,
 	ComponentId = 95,
@@ -70,7 +74,8 @@ type SendEventId =
 	| SendEventContributionCheckoutConversion
 	| SendEventContributionPaymentMethodUpdate
 	| SendEventAcquisitionDataFromQueryParam
-	| SendEventPageViewId;
+	| SendEventPageViewId
+	| SendEventCheckoutValueId;
 
 // ---- sendEvent logic ---- //
 
@@ -107,6 +112,7 @@ function sendEvent(
 	id: SendEventId,
 	isConversion: boolean,
 	value: string,
+	payload?: Record<string, unknown>,
 ): void {
 	/**
 	 * A cart value event is indicated by 64 in QM.
@@ -119,7 +125,12 @@ function sendEvent(
 		? 64
 		: 0;
 	if (window.QuantumMetricAPI?.isOn()) {
-		window.QuantumMetricAPI.sendEvent(id, qmCartValueEventId, value);
+		console.log('*** sendEvent ***', id, qmCartValueEventId, value, payload);
+		if (payload) {
+			window.QuantumMetricAPI.sendEvent(id, qmCartValueEventId, value, payload);
+		} else {
+			window.QuantumMetricAPI.sendEvent(id, qmCartValueEventId, value);
+		}
 	}
 }
 
@@ -287,6 +298,45 @@ function sendEventSubscriptionCheckoutConversion(
 	}
 }
 
+function sendEventCheckoutValue(
+	amount: number,
+	product: ProductKey,
+	billingPeriod: BillingPeriod,
+	sourceCurrency: IsoCurrency,
+): void {
+	console.log(
+		'*** sendEventCheckoutValue ***',
+		amount,
+		product,
+		billingPeriod,
+		sourceCurrency,
+	);
+	void ifQmPermitted(() => {
+		const sendEventWhenReady = () => {
+			const sendEventId = 182;
+			const convertedValue = getCheckoutAnnualValue(
+				billingPeriod,
+				amount,
+				sourceCurrency,
+			);
+			const payload = {
+				product,
+				billingPeriod,
+			};
+			if (convertedValue) {
+				sendEvent(
+					sendEventId,
+					false,
+					Math.round(convertedValue).toString(),
+					payload,
+				);
+			}
+		};
+		sendEventWhenReadyTrigger(sendEventWhenReady);
+	});
+}
+
+// TODO: To be deleted with the 2-step checkout
 function sendEventContributionCheckoutConversion(
 	amount: number,
 	contributionType: ContributionType,
@@ -307,11 +357,11 @@ function sendEventContributionCheckoutConversion(
 				sendEvent(sendEventId, true, Math.round(convertedValue).toString());
 			}
 		};
-
 		sendEventWhenReadyTrigger(sendEventWhenReady);
 	});
 }
 
+// TODO: To be deleted with the 2-step checkout
 function sendEventContributionCartValue(
 	amount: string,
 	contributionType: ContributionType,
@@ -320,7 +370,6 @@ function sendEventContributionCartValue(
 	if (amount === 'other' || Number.isNaN(parseInt(amount))) {
 		return;
 	}
-
 	void ifQmPermitted(() => {
 		const sendEventWhenReady = () => {
 			const sendEventId =
@@ -336,7 +385,6 @@ function sendEventContributionCartValue(
 				sendEvent(sendEventId, false, Math.round(convertedValue).toString());
 			}
 		};
-
 		sendEventWhenReadyTrigger(sendEventWhenReady);
 	});
 }
@@ -456,4 +504,5 @@ export {
 	sendEventPaymentMethodSelected,
 	sendEventConversionPaymentMethod,
 	sendEventAcquisitionDataFromQueryParamEvent,
+	sendEventCheckoutValue,
 };
diff --git a/support-frontend/assets/helpers/tracking/quantumMetricHelpers.ts b/support-frontend/assets/helpers/tracking/quantumMetricHelpers.ts
index 759bbe3a5c..fd5a8482e8 100644
--- a/support-frontend/assets/helpers/tracking/quantumMetricHelpers.ts
+++ b/support-frontend/assets/helpers/tracking/quantumMetricHelpers.ts
@@ -49,6 +49,33 @@ export function getSubscriptionAnnualValue(
 	return discountedAnnualPrice;
 }
 
+export function getCheckoutAnnualValue(
+	billingPeriod: BillingPeriod,
+	amount: number,
+	sourceCurrency: IsoCurrency,
+): number | undefined {
+	const billingMultiplier = {
+		Annual: 1,
+		Monthly: 12,
+		Quarterly: 4,
+	} as const satisfies Record<BillingPeriod, number>;
+	const valueInPence = amount * billingMultiplier[billingPeriod] * 100;
+	const targetCurrency: IsoCurrency = 'GBP';
+
+	if (window.QuantumMetricAPI?.isOn()) {
+		const convertedValue: number =
+			window.QuantumMetricAPI.currencyConvertFromToValue(
+				valueInPence,
+				sourceCurrency,
+				targetCurrency,
+			);
+		return convertedValue;
+	}
+
+	return;
+}
+
+// TODO: To be deleted with the 2-step checkout
 export function getContributionAnnualValue(
 	contributionType: ContributionType,
 	amount: number,
diff --git a/support-frontend/assets/pages/[countryGroupId]/checkout.tsx b/support-frontend/assets/pages/[countryGroupId]/checkout.tsx
index 25a4ebd8a8..ccf6b75cc6 100644
--- a/support-frontend/assets/pages/[countryGroupId]/checkout.tsx
+++ b/support-frontend/assets/pages/[countryGroupId]/checkout.tsx
@@ -97,7 +97,10 @@ import {
 	getSupportAbTests,
 } from 'helpers/tracking/acquisitions';
 import { trackComponentClick } from 'helpers/tracking/behaviour';
-import { sendEventPaymentMethodSelected } from 'helpers/tracking/quantumMetric';
+import {
+	sendEventCheckoutValue,
+	sendEventPaymentMethodSelected,
+} from 'helpers/tracking/quantumMetric';
 import { isProd } from 'helpers/urls/url';
 import { logException } from 'helpers/utilities/logger';
 import type { GeoId } from 'pages/geoIdConfig';
@@ -243,6 +246,17 @@ export function Checkout({ geoId, appConfig }: Props) {
 		? parseInt(contributionParam, 10)
 		: undefined;
 
+	/**
+	 * This is some annoying transformation we need from
+	 * Product API => Contributions work we need to do
+	 */
+	const billingPeriod =
+		ratePlan.billingPeriod === 'Quarter'
+			? 'Quarterly'
+			: ratePlan.billingPeriod === 'Month'
+			? 'Monthly'
+			: 'Annual';
+
 	let promotion;
 	if (productKey === 'Contribution') {
 		/**
@@ -279,17 +293,6 @@ export function Checkout({ geoId, appConfig }: Props) {
 				? appConfig.allProductPrices[productKey]
 				: undefined;
 
-		/**
-		 * This is some annoying transformation we need from
-		 * Product API => Contributions work we need to do
-		 */
-		const billingPeriod =
-			ratePlan.billingPeriod === 'Quarter'
-				? 'Quarterly'
-				: ratePlan.billingPeriod === 'Month'
-				? 'Monthly'
-				: 'Annual';
-
 		const getFulfilmentOptions = (productKey: string): FulfilmentOptions => {
 			switch (productKey) {
 				case 'SupporterPlus':
@@ -398,6 +401,19 @@ export function Checkout({ geoId, appConfig }: Props) {
 	 * a country that doesn't correspond to the countryGroup a product is in.
 	 */
 	const forcedCountry = urlSearchParams.get('country') ?? undefined;
+
+	useEffect(() => {
+		/**
+		 * Notify QM of checkout value
+		 */
+		sendEventCheckoutValue(
+			payment.finalAmount,
+			productKey,
+			billingPeriod,
+			currencyKey,
+		);
+	}, []);
+
 	return (
 		<Elements stripe={stripePromise} options={elementsOptions}>
 			<CheckoutComponent
diff --git a/support-frontend/window.d.ts b/support-frontend/window.d.ts
index 5e73e2426e..afa9554496 100644
--- a/support-frontend/window.d.ts
+++ b/support-frontend/window.d.ts
@@ -80,6 +80,7 @@ declare global {
 				id: SendEventId,
 				isConversion: 0 | 1 | 64,
 				value: string,
+				payload?: Record<string, unknown>,
 			) => void;
 			currencyConvertFromToValue: (
 				value: number,