diff --git a/lambda/alexa/smarthome/unitOfMeasure.js b/lambda/alexa/smarthome/unitOfMeasure.js
index c720f28a..1e3e43eb 100644
--- a/lambda/alexa/smarthome/unitOfMeasure.js
+++ b/lambda/alexa/smarthome/unitOfMeasure.js
@@ -11,7 +11,6 @@
  * SPDX-License-Identifier: EPL-2.0
  */
 
-import { sprintf } from 'sprintf-js';
 import { Dimension, UnitSymbol, UnitSystem } from '#openhab/constants.js';
 
 /**
@@ -492,28 +491,16 @@ class UnitsOfMeasure {
    * @return {Object}
    */
   static getUnitOfMeasure({ dimension, unitSymbol, statePresentation, system = UnitSystem.METRIC }) {
-    // Determine symbol using item unit symbol or item state presentation pattern
-    const symbol = unitSymbol ?? this.getUnitSymbol(statePresentation);
+    // Determine symbol using item unit symbol or matching item state presentation with supported list
+    const symbol =
+      unitSymbol ??
+      Object.values(UnitSymbol).find((symbol) =>
+        new RegExp(`%\\d*(?:\\.\\d+)?[df]\\s*[%]?${symbol}$`).test(statePresentation)
+      );
     // Return unit of measure using symbol/dimension or fallback to default value using dimension/system
     return (
       this.#UOMS.find((uom) => uom.symbol === symbol && (!dimension || uom.dimension === dimension)) ||
       this.#UOMS.find((uom) => uom.default && uom.dimension === dimension && (!uom.system || uom.system === system))
     );
   }
-
-  /**
-   * Returns unit symbol based on given item state presentation pattern
-   * @param  {String} pattern
-   * @return {String}
-   */
-  static getUnitSymbol(pattern) {
-    try {
-      // Use a random number to format the item state presentation
-      const presentation = sprintf(pattern, Math.random());
-      // Return symbol based on the supported list matching the formatted item state presentation
-      return Object.values(UnitSymbol).find((symbol) => new RegExp(`\\d\\s*${symbol}$`).test(presentation));
-    } catch {
-      return undefined;
-    }
-  }
 }
diff --git a/lambda/openhab/index.js b/lambda/openhab/index.js
index 3af2d91e..937da26f 100644
--- a/lambda/openhab/index.js
+++ b/lambda/openhab/index.js
@@ -14,7 +14,6 @@
 import fs from 'node:fs';
 import axios from 'axios';
 import { HttpsAgent } from 'agentkeepalive';
-import { sprintf } from 'sprintf-js';
 import { validate as uuidValidate } from 'uuid';
 import { ItemType, ItemValue } from './constants.js';
 
@@ -243,17 +242,17 @@ export default class OpenHAB {
    * @return {String}
    */
   static formatItemState(item) {
-    const format = item.stateDescription?.pattern?.match(/%(?:[.0]\d+)?[df]/)?.[0] || '%f';
     const state = item.state;
-    const type = item.groupType || item.type;
+    const type = (item.groupType || item.type).split(':')[0];
 
-    switch (type.split(':')[0]) {
-      case ItemType.DIMMER:
-      case ItemType.NUMBER:
-      case ItemType.ROLLERSHUTTER:
-        return sprintf(format, parseFloat(state));
-      default:
-        return state;
+    if (type === ItemType.DIMMER || type === ItemType.NUMBER || type === ItemType.ROLLERSHUTTER) {
+      const { precision, specifier } =
+        item.stateDescription?.pattern?.match(/%\d*(?:\.(?<precision>\d+))?(?<specifier>[df])/)?.groups || {};
+      const value = parseFloat(state);
+
+      return specifier === 'd' ? value.toFixed() : precision <= 16 ? value.toFixed(precision) : value.toString();
     }
+
+    return state;
   }
 }
diff --git a/lambda/package-lock.json b/lambda/package-lock.json
index c31f63a5..a1ce9887 100644
--- a/lambda/package-lock.json
+++ b/lambda/package-lock.json
@@ -11,7 +11,6 @@
       "dependencies": {
         "agentkeepalive": "^4.5.0",
         "axios": "^1.5.1",
-        "sprintf-js": "^1.1.3",
         "uuid": "^9.0.1",
         "winston": "^3.10.0"
       },
@@ -2841,11 +2840,6 @@
         "node": ">=0.3.1"
       }
     },
-    "node_modules/sprintf-js": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.3.tgz",
-      "integrity": "sha512-Oo+0REFV59/rz3gfJNKQiBlwfHaSESl1pcGyABQsnnIfWOFt6JNj5gCog2U6MLZ//IGYD+nA8nI+mTShREReaA=="
-    },
     "node_modules/stack-trace": {
       "version": "0.0.10",
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
@@ -2854,14 +2848,6 @@
         "node": "*"
       }
     },
-    "node_modules/string_decoder": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
-      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
-      "dependencies": {
-        "safe-buffer": "~5.2.0"
-      }
-    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -2876,6 +2862,14 @@
         "node": ">=8"
       }
     },
+    "node_modules/string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "dependencies": {
+        "safe-buffer": "~5.2.0"
+      }
+    },
     "node_modules/strip-ansi": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
@@ -5296,24 +5290,11 @@
         }
       }
     },
-    "sprintf-js": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.3.tgz",
-      "integrity": "sha512-Oo+0REFV59/rz3gfJNKQiBlwfHaSESl1pcGyABQsnnIfWOFt6JNj5gCog2U6MLZ//IGYD+nA8nI+mTShREReaA=="
-    },
     "stack-trace": {
       "version": "0.0.10",
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
       "integrity": "sha512-KGzahc7puUKkzyMt+IqAep+TVNbKP+k2Lmwhub39m1AsTSkaDutx56aDCo+HLDzf/D26BIHTJWNiTG1KAJiQCg=="
     },
-    "string_decoder": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
-      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
-      "requires": {
-        "safe-buffer": "~5.2.0"
-      }
-    },
     "string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -5325,6 +5306,14 @@
         "strip-ansi": "^6.0.1"
       }
     },
+    "string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "requires": {
+        "safe-buffer": "~5.2.0"
+      }
+    },
     "strip-ansi": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
diff --git a/lambda/package.json b/lambda/package.json
index f0bba7b5..8170e309 100644
--- a/lambda/package.json
+++ b/lambda/package.json
@@ -29,7 +29,6 @@
   "dependencies": {
     "agentkeepalive": "^4.5.0",
     "axios": "^1.5.1",
-    "sprintf-js": "^1.1.3",
     "uuid": "^9.0.1",
     "winston": "^3.10.0"
   },