diff --git a/db/patch-add-timeout-monitor.sql b/db/patch-add-timeout-monitor.sql
new file mode 100644
index 000000000..32d49d1e2
--- /dev/null
+++ b/db/patch-add-timeout-monitor.sql
@@ -0,0 +1,6 @@
+-- You should not modify if this have pushed to Github, unless it does serious wrong with the db.
+BEGIN TRANSACTION;
+
+ALTER TABLE monitor
+    ADD timeout DOUBLE default 0 not null;
+COMMIT;
\ No newline at end of file
diff --git a/server/database.js b/server/database.js
index ba20663fb..ed4e4d1b1 100644
--- a/server/database.js
+++ b/server/database.js
@@ -79,6 +79,7 @@ class Database {
         "patch-added-kafka-producer.sql": true,
         "patch-add-certificate-expiry-status-page.sql": true,
         "patch-monitor-oauth-cc.sql": true,
+        "patch-add-timeout-monitor.sql": true,
     };
 
     /**
diff --git a/server/model/monitor.js b/server/model/monitor.js
index a8f3d898a..152a2c72a 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -102,6 +102,7 @@ class Monitor extends BeanModel {
             active: await this.isActive(),
             forceInactive: !await Monitor.isParentActive(this.id),
             type: this.type,
+            timeout: this.timeout,
             interval: this.interval,
             retryInterval: this.retryInterval,
             resendInterval: this.resendInterval,
@@ -428,7 +429,7 @@ class Monitor extends BeanModel {
                     const options = {
                         url: this.url,
                         method: (this.method || "get").toLowerCase(),
-                        timeout: this.interval * 1000 * 0.8,
+                        timeout: this.timeout,
                         headers: {
                             "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
                             "User-Agent": "Uptime-Kuma/" + version,
@@ -648,7 +649,7 @@ class Monitor extends BeanModel {
                     }
 
                     let res = await axios.get(steamApiUrl, {
-                        timeout: this.interval * 1000 * 0.8,
+                        timeout: this.timeout,
                         headers: {
                             "Accept": "*/*",
                             "User-Agent": "Uptime-Kuma/" + version,
diff --git a/server/server.js b/server/server.js
index ad01eab2f..b5f15f67d 100644
--- a/server/server.js
+++ b/server/server.js
@@ -716,6 +716,7 @@ let needSetup = false;
                 bean.headers = monitor.headers;
                 bean.basic_auth_user = monitor.basic_auth_user;
                 bean.basic_auth_pass = monitor.basic_auth_pass;
+                bean.timeout = monitor.timeout;
                 bean.oauth_client_id = monitor.oauth_client_id,
                 bean.oauth_client_secret = monitor.oauth_client_secret,
                 bean.oauth_auth_method = this.oauth_auth_method,
@@ -1372,6 +1373,7 @@ let needSetup = false;
 
                             // Define default values
                             let retryInterval = 0;
+                            let timeout = monitorListData[i].timeout || (monitorListData[i].interval * 0.8); // fallback to old value
 
                             /*
                             Only replace the default value with the backup file data for the specific version, where it appears the first time
@@ -1397,6 +1399,7 @@ let needSetup = false;
                                 basic_auth_pass: monitorListData[i].basic_auth_pass,
                                 authWorkstation: monitorListData[i].authWorkstation,
                                 authDomain: monitorListData[i].authDomain,
+                                timeout,
                                 interval: monitorListData[i].interval,
                                 retryInterval: retryInterval,
                                 resendInterval: monitorListData[i].resendInterval || 0,
diff --git a/src/lang/en.json b/src/lang/en.json
index 8a894e5c7..003e7596b 100644
--- a/src/lang/en.json
+++ b/src/lang/en.json
@@ -59,6 +59,8 @@
     "Hostname": "Hostname",
     "Port": "Port",
     "Heartbeat Interval": "Heartbeat Interval",
+    "Request Timeout": "Request Timeout",
+    "timeoutAfter": "Timeout after {0} seconds",
     "Retries": "Retries",
     "Heartbeat Retry Interval": "Heartbeat Retry Interval",
     "Resend Notification if Down X times consecutively": "Resend Notification if Down X times consecutively",
diff --git a/src/lang/ko-KR.json b/src/lang/ko-KR.json
index 052e08092..f3fff8d0a 100644
--- a/src/lang/ko-KR.json
+++ b/src/lang/ko-KR.json
@@ -589,6 +589,8 @@
     "RadiusCalledStationIdDescription": "접속 스테이션의 식별자",
     "RadiusCallingStationId": "접속 요청 스테이션의 Id",
     "RadiusCallingStationIdDescription": "접속 요청 스테이션의 식별자",
+    "timeoutAfter": "{0}초 후 타임아웃",
+    "Request Timeout": "요청 타임아웃",
     "Query": "쿼리",
     "settingsCertificateExpiry": "TLS 인증서 만료",
     "certificationExpiryDescription": "HTTPS 모니터링 TLS 인증서가 만료되면 알림을 활성화해요:",
diff --git a/src/pages/EditMonitor.vue b/src/pages/EditMonitor.vue
index 515f84d90..c13ecc7a6 100644
--- a/src/pages/EditMonitor.vue
+++ b/src/pages/EditMonitor.vue
@@ -393,7 +393,7 @@
                             <!-- Interval -->
                             <div class="my-3">
                                 <label for="interval" class="form-label">{{ $t("Heartbeat Interval") }} ({{ $t("checkEverySecond", [ monitor.interval ]) }})</label>
-                                <input id="interval" v-model="monitor.interval" type="number" class="form-control" required :min="minInterval" step="1" :max="maxInterval">
+                                <input id="interval" v-model="monitor.interval" type="number" class="form-control" required :min="minInterval" step="1" :max="maxInterval" @blur="finishUpdateInterval">
                             </div>
 
                             <div class="my-3">
@@ -412,6 +412,12 @@
                                 <input id="retry-interval" v-model="monitor.retryInterval" type="number" class="form-control" required :min="minInterval" step="1">
                             </div>
 
+                            <!-- Timeout: HTTP / Keyword only -->
+                            <div v-if="monitor.type === 'http' || monitor.type === 'keyword'" class="my-3">
+                                <label for="timeout" class="form-label">{{ $t("Request Timeout") }} ({{ $t("timeoutAfter", [ monitor.timeout || clampTimeout(monitor.interval) ]) }})</label>
+                                <input id="timeout" v-model="monitor.timeout" type="number" class="form-control" required min="0" step="0.1">
+                            </div>
+
                             <div class="my-3">
                                 <label for="resend-interval" class="form-label">
                                     {{ $t("Resend Notification if Down X times consecutively") }}
@@ -840,6 +846,7 @@ const monitorDefaults = {
     retryInterval: 60,
     resendInterval: 0,
     maxretries: 1,
+    timeout: 48,
     notificationIDList: {},
     ignoreTls: false,
     upsideDown: false,
@@ -1113,6 +1120,13 @@ message HealthCheckResponse {
             }
         },
 
+        "monitor.timeout"(value, oldValue) {
+            // keep timeout within 80% range
+            if (value && value !== oldValue) {
+                this.monitor.timeout = this.clampTimeout(value);
+            }
+        },
+
         "monitor.type"() {
             if (this.monitor.type === "push") {
                 if (! this.monitor.pushToken) {
@@ -1274,6 +1288,10 @@ message HealthCheckResponse {
                         if (this.monitor.retryInterval === 0) {
                             this.monitor.retryInterval = this.monitor.interval;
                         }
+                        // Handling for monitors that are missing/zeroed timeout
+                        if (!this.monitor.timeout) {
+                            this.monitor.timeout = ~~(this.monitor.interval * 8) / 10;
+                        }
                     } else {
                         toast.error(res.msg);
                     }
@@ -1445,7 +1463,26 @@ message HealthCheckResponse {
         addedDraftGroup(draftGroupName) {
             this.draftGroupName = draftGroupName;
             this.monitor.parent = -1;
-        }
+        },
+
+        // Clamp timeout
+        clampTimeout(timeout) {
+            // limit to 80% of interval, narrowly avoiding epsilon bug
+            const maxTimeout = ~~(this.monitor.interval * 8 ) / 10;
+            const clamped = Math.max(0, Math.min(timeout, maxTimeout));
+
+            // 0 will be treated as 80% of interval
+            return Number.isFinite(clamped) ? clamped : maxTimeout;
+        },
+
+        finishUpdateInterval() {
+            // Update timeout if it is greater than the clamp timeout
+            let clampedValue = this.clampTimeout(this.monitor.interval);
+            if (this.monitor.timeout > clampedValue) {
+                this.monitor.timeout = clampedValue;
+            }
+        },
+
     },
 };
 </script>