diff --git a/apps/showcase/pages/inputtext/index.vue b/apps/showcase/pages/inputtext/index.vue
index 0ed21a917..a172e888d 100755
--- a/apps/showcase/pages/inputtext/index.vue
+++ b/apps/showcase/pages/inputtext/index.vue
@@ -11,6 +11,7 @@ import FloatLabelDoc from '@/doc/inputtext/FloatLabelDoc.vue';
 import HelpTextDoc from '@/doc/inputtext/HelpTextDoc.vue';
 import ImportDoc from '@/doc/inputtext/ImportDoc.vue';
 import InvalidDoc from '@/doc/inputtext/InvalidDoc.vue';
+import SizesDoc from '@/doc/inputtext/SizesDoc.vue';
 import PTComponent from '@/doc/inputtext/pt/index.vue';
 import ThemingDoc from '@/doc/inputtext/theming/index.vue';
 
@@ -28,21 +29,21 @@ export default {
                     label: 'Basic',
                     component: BasicDoc
                 },
-                /*{
-                    id: 'sizes',
-                    label: 'Sizes',
-                    component: SizesDoc
-                },*/
-                {
-                    id: 'helptext',
-                    label: 'HelpText',
-                    component: HelpTextDoc
-                },
                 {
                     id: 'floatlabel',
                     label: 'Float Label',
                     component: FloatLabelDoc
                 },
+                {
+                    id: 'sizes',
+                    label: 'Sizes',
+                    component: SizesDoc
+                },
+                {
+                    id: 'helptext',
+                    label: 'Help Text',
+                    component: HelpTextDoc
+                },
                 {
                     id: 'filled',
                     label: 'Filled',
diff --git a/packages/primevue/src/inputtext/style/InputTextStyle.js b/packages/primevue/src/inputtext/style/InputTextStyle.js
index af36728dd..6fe1531ee 100644
--- a/packages/primevue/src/inputtext/style/InputTextStyle.js
+++ b/packages/primevue/src/inputtext/style/InputTextStyle.js
@@ -51,6 +51,16 @@ const theme = ({ dt }) => `
     color: ${dt('inputtext.placeholder.color')};
 }
 
+.p-inputtext-sm {
+    font-size: ${dt('inputtext.sm.font.size')};
+    padding: ${dt('inputtext.sm.padding.y')} ${dt('inputtext.sm.padding.x')};
+}
+
+.p-inputtext-lg {
+    font-size: ${dt('inputtext.lg.font.size')};
+    padding: ${dt('inputtext.lg.padding.y')} ${dt('inputtext.lg.padding.x')};
+}
+
 .p-fluid .p-inputtext {
     width: 100%;
 }
diff --git a/packages/themes/src/presets/aura/inputtext/index.js b/packages/themes/src/presets/aura/inputtext/index.js
index f22994ab1..1f0e1eaff 100644
--- a/packages/themes/src/presets/aura/inputtext/index.js
+++ b/packages/themes/src/presets/aura/inputtext/index.js
@@ -22,6 +22,16 @@ export default {
             offset: '{form.field.focus.ring.offset}',
             shadow: '{form.field.focus.ring.shadow}'
         },
-        transitionDuration: '{form.field.transition.duration}'
+        transitionDuration: '{form.field.transition.duration}',
+        sm: {
+            fontSize: '0.875rem',
+            paddingX: '0.625rem',
+            paddingY: '0.375rem'
+        },
+        lg: {
+            fontSize: '1.125rem',
+            paddingX: '0.875rem',
+            paddingY: '0.625rem'
+        }
     }
 };
diff --git a/packages/themes/src/presets/lara/button/index.js b/packages/themes/src/presets/lara/button/index.js
index bb4d510e9..54003e013 100644
--- a/packages/themes/src/presets/lara/button/index.js
+++ b/packages/themes/src/presets/lara/button/index.js
@@ -8,12 +8,12 @@ export default {
         iconOnlyWidth: '2.75rem',
         sm: {
             fontSize: '0.875rem',
-            paddingX: '0.875rem',
+            paddingX: '0.625rem',
             paddingY: '0.5rem'
         },
         lg: {
             fontSize: '1.125rem',
-            paddingX: '1.125rem',
+            paddingX: '0.875rem',
             paddingY: '0.75rem'
         },
         label: {
diff --git a/packages/themes/src/presets/lara/inputtext/index.js b/packages/themes/src/presets/lara/inputtext/index.js
index f22994ab1..9fcaca854 100644
--- a/packages/themes/src/presets/lara/inputtext/index.js
+++ b/packages/themes/src/presets/lara/inputtext/index.js
@@ -22,6 +22,16 @@ export default {
             offset: '{form.field.focus.ring.offset}',
             shadow: '{form.field.focus.ring.shadow}'
         },
-        transitionDuration: '{form.field.transition.duration}'
+        transitionDuration: '{form.field.transition.duration}',
+        sm: {
+            fontSize: '0.875rem',
+            paddingX: '0.625rem',
+            paddingY: '0.5rem'
+        },
+        lg: {
+            fontSize: '1.125rem',
+            paddingX: '0.875rem',
+            paddingY: '0.75rem'
+        }
     }
 };
diff --git a/packages/themes/src/presets/nora/inputtext/index.js b/packages/themes/src/presets/nora/inputtext/index.js
index f22994ab1..1f0e1eaff 100644
--- a/packages/themes/src/presets/nora/inputtext/index.js
+++ b/packages/themes/src/presets/nora/inputtext/index.js
@@ -22,6 +22,16 @@ export default {
             offset: '{form.field.focus.ring.offset}',
             shadow: '{form.field.focus.ring.shadow}'
         },
-        transitionDuration: '{form.field.transition.duration}'
+        transitionDuration: '{form.field.transition.duration}',
+        sm: {
+            fontSize: '0.875rem',
+            paddingX: '0.625rem',
+            paddingY: '0.375rem'
+        },
+        lg: {
+            fontSize: '1.125rem',
+            paddingX: '0.875rem',
+            paddingY: '0.625rem'
+        }
     }
 };