diff --git a/frontend/src/__tests__/cypress/cypress/tests/mocked/pipelines/pipelineCreateRuns.cy.ts b/frontend/src/__tests__/cypress/cypress/tests/mocked/pipelines/pipelineCreateRuns.cy.ts
index 7d361cf97d..4e270a2e84 100644
--- a/frontend/src/__tests__/cypress/cypress/tests/mocked/pipelines/pipelineCreateRuns.cy.ts
+++ b/frontend/src/__tests__/cypress/cypress/tests/mocked/pipelines/pipelineCreateRuns.cy.ts
@@ -267,7 +267,7 @@ describe('Pipeline create runs', () => {
                     },
                     double_param: {
                       parameterType: InputDefinitionParameterType.DOUBLE,
-                      defaultValue: 0.1,
+                      defaultValue: 7.0,
                       description: 'Some double helper text',
                       isOptional: true,
                     },
@@ -313,7 +313,7 @@ describe('Pipeline create runs', () => {
       paramsSection.findParamById('string_param').should('have.value', 'String default value');
       cy.findByTestId('string_param-helper-text').should('have.text', 'Some string helper text');
 
-      paramsSection.findParamById('double_param').should('have.value', '0.1');
+      paramsSection.findParamById('double_param').should('have.value', '7.0');
       cy.findByTestId('double_param-form-group').should('not.have.text', '*', { exact: false });
       cy.findByTestId('double_param-helper-text').should('have.text', 'Some double helper text');
 
diff --git a/frontend/src/concepts/pipelines/content/createRun/contentSections/ParamsSection/NumberInputParam.tsx b/frontend/src/concepts/pipelines/content/createRun/contentSections/ParamsSection/NumberInputParam.tsx
index 04d1b98a6f..fb44f00307 100644
--- a/frontend/src/concepts/pipelines/content/createRun/contentSections/ParamsSection/NumberInputParam.tsx
+++ b/frontend/src/concepts/pipelines/content/createRun/contentSections/ParamsSection/NumberInputParam.tsx
@@ -1,5 +1,5 @@
 import { TextInput } from '@patternfly/react-core';
-import React from 'react';
+import React, { useRef } from 'react';
 import NumberInputWrapper from '~/components/NumberInputWrapper';
 import { InputParamProps } from './types';
 
@@ -15,16 +15,24 @@ export const NumberInputParam: React.FC<NumberInputParamProps> = ({
   const [value, setValue] = React.useState<number | ''>(
     inputProps.value !== '' ? Number(inputProps.value) : '',
   );
+  const isDefault = useRef(true);
 
   if (isFloat) {
+    // if the default value is a whole number, display it as x.0
+    const displayValue =
+      typeof value === 'number' && Number.isInteger(value) && isDefault.current
+        ? value.toFixed(1)
+        : value;
+
     return (
       <TextInput
         {...inputProps}
         data-testid={inputProps.id}
         type="number"
         step={0.1}
-        value={value}
+        value={displayValue}
         onChange={(event, newValue) => {
+          isDefault.current = false;
           setValue(typeof newValue === 'string' ? parseFloat(newValue) : newValue);
           onChange(event, newValue);
         }}
diff --git a/frontend/src/concepts/pipelines/content/pipelinesDetails/pipelineRun/SelectedNodeInputOutputTab.tsx b/frontend/src/concepts/pipelines/content/pipelinesDetails/pipelineRun/SelectedNodeInputOutputTab.tsx
index 3bd6701fc4..6ba2dec35d 100644
--- a/frontend/src/concepts/pipelines/content/pipelinesDetails/pipelineRun/SelectedNodeInputOutputTab.tsx
+++ b/frontend/src/concepts/pipelines/content/pipelinesDetails/pipelineRun/SelectedNodeInputOutputTab.tsx
@@ -48,6 +48,9 @@ const SelectedNodeInputOutputTab: React.FC<SelectedNodeInputOutputTabProps> = ({
 
       switch (type) {
         case InputDefinitionParameterType.DOUBLE:
+          return numberValue && Number.isInteger(numberValue)
+            ? numberValue.toFixed(1)
+            : numberValue;
         case InputDefinitionParameterType.INTEGER:
           return numberValue;
         case InputDefinitionParameterType.BOOLEAN: