diff --git a/package.json b/package.json
index 9b073a1..e48ea43 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "hammerjs": "^2.0.8",
     "ngx-electron": "^1.0.4",
     "rxjs": "^6.0.0",
+    "webstorage-decorators": "^1.0.3",
     "zone.js": "^0.8.26"
   },
   "devDependencies": {
diff --git a/src/app/formulaManager/formulaManager.component.ts b/src/app/formulaManager/formulaManager.component.ts
index 6f45654..7d0bb8e 100644
--- a/src/app/formulaManager/formulaManager.component.ts
+++ b/src/app/formulaManager/formulaManager.component.ts
@@ -2,6 +2,7 @@ import {Component, ElementRef, ViewChildren, HostListener} from '@angular/core';
 import {AngularFirestore} from 'angularfire2/firestore';
 import {ConvertFromGPipe, ConvertToGPipe} from './units.pipe';
 import {ElectronService} from 'ngx-electron';
+import {LocalStorage} from 'webstorage-decorators';
 
 @Component({
   selector: 'formula-manager',
@@ -14,7 +15,8 @@ export class FormulaManagerComponent {
   formula;
   installPrompt;
   components;
-  unit = 'g';
+  @LocalStorage({defaultValue: 'g'})
+  unit;
 
   _newTotal: number = 0;
   get newTotal() {
diff --git a/yarn.lock b/yarn.lock
index 78e507b..37f09f1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -417,6 +417,10 @@
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.7.0.tgz#9a06f4f137ee84d7df0460c1fdb1135ffa6c50fd"
 
+"@types/crypto-js@^3.1.39":
+  version "3.1.41"
+  resolved "https://registry.yarnpkg.com/@types/crypto-js/-/crypto-js-3.1.41.tgz#50727bd54f13991288d1aff66d1f6b6e68f7b2f3"
+
 "@types/jasmine@*", "@types/jasmine@~2.8.6":
   version "2.8.8"
   resolved "https://registry.yarnpkg.com/@types/jasmine/-/jasmine-2.8.8.tgz#bf53a7d193ea8b03867a38bfdb4fbb0e0bf066c9"
@@ -2134,6 +2138,10 @@ crypto-browserify@^3.11.0:
     randombytes "^2.0.0"
     randomfill "^1.0.3"
 
+crypto-js@^3.1.9-1:
+  version "3.1.9-1"
+  resolved "https://registry.yarnpkg.com/crypto-js/-/crypto-js-3.1.9-1.tgz#fda19e761fc077e01ffbfdc6e9fdfc59e8806cd8"
+
 crypto-random-string@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/crypto-random-string/-/crypto-random-string-1.0.0.tgz#a230f64f568310e1498009940790ec99545bca7e"
@@ -8745,6 +8753,13 @@ websocket-extensions@>=0.1.1:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
 
+webstorage-decorators@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/webstorage-decorators/-/webstorage-decorators-1.0.3.tgz#8058eb130c2f0b34f103adc0b024e634b7d5a315"
+  dependencies:
+    "@types/crypto-js" "^3.1.39"
+    crypto-js "^3.1.9-1"
+
 whatwg-fetch@2.0.4, whatwg-fetch@>=0.10.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"