diff --git a/packages/common/CHANGELOG.md b/packages/common/CHANGELOG.md
index 0579e7b2d..db4efc644 100644
--- a/packages/common/CHANGELOG.md
+++ b/packages/common/CHANGELOG.md
@@ -8,6 +8,10 @@ All notable changes to this project will be documented in this file.
 
 <!-- template-start -->
 
+## 8.59.0 ((3/27/2026, 05:43 AM PST))
+
+This is an artificial version bump with no new change.
+
 ## 8.58.0 ((3/25/2026, 11:42 AM PST))
 
 This is an artificial version bump with no new change.
diff --git a/packages/common/package.json b/packages/common/package.json
index 10a4f8e0a..3de98d215 100644
--- a/packages/common/package.json
+++ b/packages/common/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coinbase/cds-common",
-  "version": "8.58.0",
+  "version": "8.59.0",
   "description": "Coinbase Design System - Common",
   "repository": {
     "type": "git",
diff --git a/packages/mcp-server/CHANGELOG.md b/packages/mcp-server/CHANGELOG.md
index 770b1b9ff..78d7c0704 100644
--- a/packages/mcp-server/CHANGELOG.md
+++ b/packages/mcp-server/CHANGELOG.md
@@ -8,6 +8,10 @@ All notable changes to this project will be documented in this file.
 
 <!-- template-start -->
 
+## 8.59.0 ((3/27/2026, 05:43 AM PST))
+
+This is an artificial version bump with no new change.
+
 ## 8.58.0 ((3/25/2026, 11:42 AM PST))
 
 This is an artificial version bump with no new change.
diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index d2ac24a62..697a23b3d 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coinbase/cds-mcp-server",
-  "version": "8.58.0",
+  "version": "8.59.0",
   "description": "Coinbase Design System - MCP Server",
   "repository": {
     "type": "git",
diff --git a/packages/mobile/CHANGELOG.md b/packages/mobile/CHANGELOG.md
index eefb2abce..1573ed87b 100644
--- a/packages/mobile/CHANGELOG.md
+++ b/packages/mobile/CHANGELOG.md
@@ -8,6 +8,12 @@ All notable changes to this project will be documented in this file.
 
 <!-- template-start -->
 
+## 8.59.0 (3/27/2026 PST)
+
+#### 🚀 Updates
+
+- Support controlSize on Checkbox and Radio. [[#546](https://github.com/coinbase/cds/pull/546)]
+
 ## 8.58.0 (3/25/2026 PST)
 
 #### 🚀 Updates
diff --git a/packages/mobile/package.json b/packages/mobile/package.json
index 46c77dba8..ce059f086 100644
--- a/packages/mobile/package.json
+++ b/packages/mobile/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coinbase/cds-mobile",
-  "version": "8.58.0",
+  "version": "8.59.0",
   "description": "Coinbase Design System - Mobile",
   "repository": {
     "type": "git",
diff --git a/packages/mobile/src/controls/Checkbox.tsx b/packages/mobile/src/controls/Checkbox.tsx
index 0d91a8744..0ec37a78c 100644
--- a/packages/mobile/src/controls/Checkbox.tsx
+++ b/packages/mobile/src/controls/Checkbox.tsx
@@ -11,7 +11,7 @@ import { Control, type ControlBaseProps, type ControlIconProps } from './Control
 
 export type CheckboxBaseProps<CheckboxValue extends string> = Omit<
   ControlBaseProps<CheckboxValue>,
-  'controlColor'
+  'controlColor' | 'controlSize' | 'dotSize'
 > & {
   /**
    * Sets the checked/active color of the checkbox.
@@ -23,6 +23,11 @@ export type CheckboxBaseProps<CheckboxValue extends string> = Omit<
    * @default 100
    */
   borderWidth?: ThemeVars.BorderWidth;
+  /**
+   * Sets the outer checkbox control size in pixels.
+   * @default theme.controlSize.checkboxSize
+   */
+  controlSize?: number;
 };
 
 export type CheckboxProps<CheckboxValue extends string> = CheckboxBaseProps<CheckboxValue>;
@@ -42,10 +47,11 @@ const CheckboxIcon = memo(
     animatedScaleValue,
     animatedOpacityValue,
     testID,
+    controlSize,
   }: React.PropsWithChildren<ControlIconProps>) => {
     const filled = checked || indeterminate;
     const theme = useTheme();
-    const checkboxSize = theme.controlSize.checkboxSize;
+    const checkboxSize = controlSize ?? theme.controlSize.checkboxSize;
     const iconPadding = checkboxSize / 5;
     const iconSize = checkboxSize - iconPadding;
 
diff --git a/packages/mobile/src/controls/CheckboxCell.tsx b/packages/mobile/src/controls/CheckboxCell.tsx
index 92863a3f2..5c1c704d0 100644
--- a/packages/mobile/src/controls/CheckboxCell.tsx
+++ b/packages/mobile/src/controls/CheckboxCell.tsx
@@ -27,7 +27,7 @@ export type CheckboxCellBaseProps<CheckboxValue extends string> = {
   rowGap?: ThemeVars.Space;
   pressedBorderColor?: ThemeVars.Color;
   pressedBorderWidth?: ThemeVars.BorderWidth;
-} & Omit<ControlBaseProps<CheckboxValue>, 'style' | 'children' | 'title'> &
+} & Omit<ControlBaseProps<CheckboxValue>, 'style' | 'children' | 'title' | 'dotSize'> &
   Omit<PressableBaseProps, 'children' | 'noScaleOnPress'>;
 
 export type CheckboxCellProps<CheckboxValue extends string> =
@@ -61,6 +61,7 @@ const CheckboxCellWithRef = forwardRef(function CheckboxCell<CheckboxValue exten
     background = 'bg',
     borderColor = 'bgLine',
     controlColor,
+    controlSize,
     accessibilityLabel,
     accessibilityHint,
     testID,
@@ -219,6 +220,7 @@ const CheckboxCellWithRef = forwardRef(function CheckboxCell<CheckboxValue exten
             accessible={false}
             checked={!!checked}
             controlColor={controlColor}
+            controlSize={controlSize}
             disabled={disabled}
             indeterminate={indeterminate}
             pointerEvents="none"
diff --git a/packages/mobile/src/controls/Control.tsx b/packages/mobile/src/controls/Control.tsx
index cf802520b..a73153764 100644
--- a/packages/mobile/src/controls/Control.tsx
+++ b/packages/mobile/src/controls/Control.tsx
@@ -34,6 +34,8 @@ export type ControlIconProps = SharedProps & {
   borderRadius?: ThemeVars.BorderRadius;
   borderWidth?: ThemeVars.BorderWidth;
   elevation?: ElevationLevels;
+  controlSize?: number;
+  dotSize?: number;
   animatedScaleValue: Animated.Value;
   animatedOpacityValue: Animated.Value;
   accessible?: boolean;
@@ -71,6 +73,15 @@ export type ControlBaseProps<ControlValue extends string> = Omit<
     controlColor?: ThemeVars.Color;
     /** Sets the elevation/drop shadow of the control. */
     elevation?: ElevationLevels;
+    /**
+     * Sets the control size in pixels.
+     */
+    controlSize?: number;
+    /**
+     * Sets the inner dot size in pixels.
+     * @default 2/3 of controlSize
+     */
+    dotSize?: number;
     style?: ViewStyle;
   };
 
@@ -111,6 +122,8 @@ const ControlWithRef = forwardRef(function ControlWithRef<ControlValue extends s
     borderColor,
     borderRadius,
     borderWidth,
+    controlSize,
+    dotSize,
     ...props
   }: ControlProps<ControlValue>,
   ref: React.ForwardedRef<View>,
@@ -230,7 +243,9 @@ const ControlWithRef = forwardRef(function ControlWithRef<ControlValue extends s
           borderWidth={borderWidth}
           checked={checked}
           controlColor={controlColor}
+          controlSize={controlSize}
           disabled={pressDisabled}
+          dotSize={dotSize}
           elevation={elevation}
           indeterminate={indeterminate}
           pressed={pressed}
@@ -264,7 +279,9 @@ const ControlWithRef = forwardRef(function ControlWithRef<ControlValue extends s
       borderWidth,
       checked,
       controlColor,
+      controlSize,
       disabled,
+      dotSize,
       elevation,
       getLabelStyle,
       iconWrapperStyles,
diff --git a/packages/mobile/src/controls/Radio.tsx b/packages/mobile/src/controls/Radio.tsx
index 9f7154b42..2745edca5 100644
--- a/packages/mobile/src/controls/Radio.tsx
+++ b/packages/mobile/src/controls/Radio.tsx
@@ -18,7 +18,7 @@ const styles = StyleSheet.create({
 
 export type RadioBaseProps<RadioValue extends string> = Omit<
   ControlBaseProps<RadioValue>,
-  'controlColor'
+  'controlColor' | 'controlSize' | 'dotSize'
 > & {
   /**
    * Sets the checked/active color of the radio.
@@ -30,14 +30,32 @@ export type RadioBaseProps<RadioValue extends string> = Omit<
    * @default 100
    */
   borderWidth?: ThemeVars.BorderWidth;
+  /**
+   * Sets the outer radio control size in pixels.
+   * @default theme.controlSize.radioSize
+   */
+  controlSize?: number;
+  /**
+   * Sets the inner dot size in pixels.
+   * @default 2/3 of controlSize
+   */
+  dotSize?: number;
 };
 
 export type RadioProps<RadioValue extends string> = RadioBaseProps<RadioValue>;
 
-const DotSvg = ({ color = 'black', width = 20 }: { color?: ColorValue; width?: number }) => {
+const DotSvg = ({
+  color = 'black',
+  width = 20,
+  dotSize = (2 * width) / 3,
+}: {
+  color?: ColorValue;
+  width?: number;
+  dotSize?: number;
+}) => {
   return (
     <Svg fill="none" height={width} viewBox={`0 0 ${width} ${width}`} width={width}>
-      <Circle cx="50%" cy="50%" fill={color} r={width / 3} />
+      <Circle cx="50%" cy="50%" fill={color} r={dotSize / 2} />
     </Svg>
   );
 };
@@ -53,11 +71,13 @@ const RadioIcon: React.FC<React.PropsWithChildren<ControlIconProps>> = ({
   animatedScaleValue,
   animatedOpacityValue,
   controlColor = 'bgPrimary',
+  controlSize,
+  dotSize,
   borderColor = checked ? controlColor : 'bgLineHeavy',
   testID,
 }) => {
   const theme = useTheme();
-  const radioSize = theme.controlSize.radioSize;
+  const radioSize = controlSize ?? theme.controlSize.radioSize;
 
   return (
     <Interactable
@@ -81,7 +101,7 @@ const RadioIcon: React.FC<React.PropsWithChildren<ControlIconProps>> = ({
         style={{ transform: [{ scale: animatedScaleValue }], opacity: animatedOpacityValue }}
       >
         <Box testID="radio-icon">
-          <DotSvg color={theme.color[controlColor]} width={radioSize} />
+          <DotSvg color={theme.color[controlColor]} dotSize={dotSize} width={radioSize} />
         </Box>
       </Animated.View>
     </Interactable>
@@ -96,7 +116,6 @@ const RadioWithRef = forwardRef(function Radio<RadioValue extends string>(
     typeof children === 'string' && accessibilityLabel === undefined
       ? children
       : accessibilityLabel;
-
   return (
     <Control<RadioValue>
       {...props}
diff --git a/packages/mobile/src/controls/RadioCell.tsx b/packages/mobile/src/controls/RadioCell.tsx
index bce33a9e1..d552be3e6 100644
--- a/packages/mobile/src/controls/RadioCell.tsx
+++ b/packages/mobile/src/controls/RadioCell.tsx
@@ -27,7 +27,7 @@ export type RadioCellBaseProps<RadioValue extends string> = {
   rowGap?: ThemeVars.Space;
   pressedBorderColor?: ThemeVars.Color;
   pressedBorderWidth?: ThemeVars.BorderWidth;
-} & Omit<ControlBaseProps<RadioValue>, 'style' | 'children' | 'title'> &
+} & Omit<ControlBaseProps<RadioValue>, 'style' | 'children' | 'title' | 'controlSize' | 'dotSize'> &
   Omit<PressableProps, 'children' | 'noScaleOnPress'>;
 
 export type RadioCellProps<RadioValue extends string> = RadioCellBaseProps<RadioValue> & {
diff --git a/packages/mobile/src/controls/Switch.tsx b/packages/mobile/src/controls/Switch.tsx
index b9eb3ef7e..b57d06b4f 100644
--- a/packages/mobile/src/controls/Switch.tsx
+++ b/packages/mobile/src/controls/Switch.tsx
@@ -9,7 +9,7 @@ import { Control, type ControlBaseProps, type ControlIconProps } from './Control
 
 export type SwitchBaseProps<SwitchValue extends string> = Omit<
   ControlBaseProps<SwitchValue>,
-  'style'
+  'style' | 'controlSize' | 'dotSize'
 >;
 
 export type SwitchProps<SwitchValue extends string> = SwitchBaseProps<SwitchValue>;
diff --git a/packages/mobile/src/controls/__tests__/Checkbox.test.tsx b/packages/mobile/src/controls/__tests__/Checkbox.test.tsx
index 90e136945..ecd13f3a2 100644
--- a/packages/mobile/src/controls/__tests__/Checkbox.test.tsx
+++ b/packages/mobile/src/controls/__tests__/Checkbox.test.tsx
@@ -48,6 +48,21 @@ describe('Checkbox', () => {
     expect(screen.getByTestId('mock-checkbox')).toBeAccessible();
   });
 
+  it('applies controlSize to checkbox container', () => {
+    render(
+      <DefaultThemeProvider>
+        <Checkbox checked controlSize={60} testID="test-checkbox">
+          Checked
+        </Checkbox>
+      </DefaultThemeProvider>,
+    );
+
+    expect(screen.getByTestId('test-checkbox')).toHaveStyle({
+      width: 60,
+      height: 60,
+    });
+  });
+
   it('renders a minus icon when indeterminate', () => {
     render(
       <DefaultThemeProvider>
diff --git a/packages/mobile/src/controls/__tests__/RadioGroup.test.tsx b/packages/mobile/src/controls/__tests__/RadioGroup.test.tsx
index f03d66f8c..08644fd32 100644
--- a/packages/mobile/src/controls/__tests__/RadioGroup.test.tsx
+++ b/packages/mobile/src/controls/__tests__/RadioGroup.test.tsx
@@ -1,4 +1,5 @@
 import { Pressable } from 'react-native';
+import { Circle } from 'react-native-svg';
 import { fireEvent, render, screen } from '@testing-library/react-native';
 
 import { Text } from '../../typography/Text';
@@ -158,4 +159,41 @@ describe('Radio', () => {
       borderColor: 'rgb(9,133,81)', // This corresponds to bgPositive in defaultTheme
     });
   });
+
+  it('applies controlSize to radio container', () => {
+    render(
+      <DefaultThemeProvider>
+        <Radio checked controlSize={60} testID="test-radio">
+          Radio
+        </Radio>
+      </DefaultThemeProvider>,
+    );
+
+    expect(screen.getByTestId('test-radio')).toHaveStyle({
+      width: 60,
+      height: 60,
+    });
+  });
+
+  it('defaults dotSize to two thirds of controlSize and supports explicit dotSize', () => {
+    const { rerender } = render(
+      <DefaultThemeProvider>
+        <Radio checked controlSize={60} testID="test-radio">
+          Radio
+        </Radio>
+      </DefaultThemeProvider>,
+    );
+
+    expect(screen.UNSAFE_getByType(Circle).props.r).toBe(20);
+
+    rerender(
+      <DefaultThemeProvider>
+        <Radio checked controlSize={60} dotSize={30} testID="test-radio">
+          Radio
+        </Radio>
+      </DefaultThemeProvider>,
+    );
+
+    expect(screen.UNSAFE_getByType(Circle).props.r).toBe(15);
+  });
 });
diff --git a/packages/web/CHANGELOG.md b/packages/web/CHANGELOG.md
index 300026171..11379be82 100644
--- a/packages/web/CHANGELOG.md
+++ b/packages/web/CHANGELOG.md
@@ -8,6 +8,12 @@ All notable changes to this project will be documented in this file.
 
 <!-- template-start -->
 
+## 8.59.0 (3/27/2026 PST)
+
+#### 🚀 Updates
+
+- Suppoer controlSize on Checkbox and Radio. [[#546](https://github.com/coinbase/cds/pull/546)]
+
 ## 8.58.0 (3/25/2026 PST)
 
 #### 🚀 Updates
diff --git a/packages/web/package.json b/packages/web/package.json
index 11382cf19..893201da3 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coinbase/cds-web",
-  "version": "8.58.0",
+  "version": "8.59.0",
   "description": "Coinbase Design System - Web",
   "repository": {
     "type": "git",
diff --git a/packages/web/src/controls/Checkbox.tsx b/packages/web/src/controls/Checkbox.tsx
index 391c93bbf..c16ab1084 100644
--- a/packages/web/src/controls/Checkbox.tsx
+++ b/packages/web/src/controls/Checkbox.tsx
@@ -18,9 +18,6 @@ import { Control, type ControlBaseProps } from './Control';
 
 const checkboxCss = css`
   position: relative;
-  width: var(--controlSize-checkboxSize);
-  height: var(--controlSize-checkboxSize);
-
   border-style: solid;
 
   transition:
@@ -50,6 +47,11 @@ export type CheckboxBaseProps<CheckboxValue extends string> = ControlBaseProps<C
    * @default 100
    */
   borderWidth?: ThemeVars.BorderWidth;
+  /**
+   * Sets the outer checkbox control size in pixels.
+   * @default theme.controlSize.checkboxSize
+   */
+  controlSize?: number;
 };
 
 export type CheckboxProps<CheckboxValue extends string> = CheckboxBaseProps<CheckboxValue>;
@@ -65,13 +67,14 @@ const CheckboxWithRef = forwardRef(function CheckboxWithRef<CheckboxValue extend
     borderRadius = 100,
     borderWidth = 100,
     elevation,
+    controlSize,
     ...props
   }: CheckboxProps<CheckboxValue>,
   ref: React.ForwardedRef<HTMLInputElement>,
 ) {
   const filled = checked || indeterminate;
   const theme = useTheme();
-  const checkboxSize = theme.controlSize.checkboxSize;
+  const checkboxSize = controlSize ?? theme.controlSize.checkboxSize;
   const iconPadding = checkboxSize / 5;
   const iconSize = checkboxSize - iconPadding;
 
@@ -116,6 +119,7 @@ const CheckboxWithRef = forwardRef(function CheckboxWithRef<CheckboxValue extend
         flexShrink={0}
         justifyContent="center"
         role="presentation"
+        style={{ width: checkboxSize, height: checkboxSize }}
         testID="checkbox-outer"
       >
         <motion.div {...innerContainerMotionProps} data-testid="checkbox-inner">
diff --git a/packages/web/src/controls/CheckboxCell.tsx b/packages/web/src/controls/CheckboxCell.tsx
index df98784b3..aa10cee69 100644
--- a/packages/web/src/controls/CheckboxCell.tsx
+++ b/packages/web/src/controls/CheckboxCell.tsx
@@ -21,6 +21,11 @@ export type CheckboxCellBaseProps<CheckboxValue extends string> = Omit<
     'onChange' | 'title' | 'children' | 'iconStyle' | 'labelStyle' | 'checked'
   > & {
     checked?: boolean;
+    /**
+     * Sets the outer checkbox control size in pixels.
+     * @default theme.controlSize.checkboxSize
+     */
+    controlSize?: number;
     title: React.ReactNode;
     description?: React.ReactNode;
     onChange?: (inputChangeEvent: React.ChangeEvent<HTMLInputElement>) => void;
@@ -87,6 +92,7 @@ const CheckboxCellWithRef = forwardRef(function CheckboxCell<CheckboxValue exten
     noScaleOnPress = true,
     readOnly,
     indeterminate,
+    controlSize,
     className,
     classNames,
     styles,
@@ -142,6 +148,7 @@ const CheckboxCellWithRef = forwardRef(function CheckboxCell<CheckboxValue exten
           aria-describedby={ariaDescribedBy}
           aria-labelledby={ariaLabelledBy}
           checked={!!checked}
+          controlSize={controlSize}
           disabled={disabled}
           indeterminate={indeterminate}
           onChange={onChange}
diff --git a/packages/web/src/controls/Radio.tsx b/packages/web/src/controls/Radio.tsx
index 27fc00501..3721c8703 100644
--- a/packages/web/src/controls/Radio.tsx
+++ b/packages/web/src/controls/Radio.tsx
@@ -18,13 +18,15 @@ import { Control, type ControlBaseProps } from './Control';
 const DotSvg = ({
   color = 'black',
   width = 20,
+  dotSize = (2 * width) / 3,
 }: {
   color?: React.CSSProperties['color'];
   width?: number;
+  dotSize?: number;
 }) => {
   return (
     <svg fill="none" height={width} viewBox={`0 0 ${width} ${width}`} width={width}>
-      <circle cx="50%" cy="50%" fill={color} r={width / 3} />
+      <circle cx="50%" cy="50%" fill={color} r={dotSize / 2} />
     </svg>
   );
 };
@@ -32,8 +34,6 @@ const DotSvg = ({
 const baseCss = css`
   position: relative;
   appearance: radio;
-  width: var(--controlSize-radioSize);
-  height: var(--controlSize-radioSize);
 
   border-style: solid;
   border-radius: var(--borderRadius-1000);
@@ -62,6 +62,16 @@ export type RadioBaseProps<RadioValue extends string> = ControlBaseProps<RadioVa
    * @default 100
    */
   borderWidth?: ThemeVars.BorderWidth;
+  /**
+   * Sets the outer radio control size in pixels.
+   * @default theme.controlSize.radioSize
+   */
+  controlSize?: number;
+  /**
+   * Sets the inner dot size in pixels.
+   * @default 2/3 of controlSize
+   */
+  dotSize?: number;
 };
 
 export type RadioProps<RadioValue extends string> = RadioBaseProps<RadioValue>;
@@ -75,12 +85,14 @@ const RadioWithRef = forwardRef(function RadioWithRef<RadioValue extends string>
     borderColor = checked ? controlColor : 'bgLineHeavy',
     borderWidth = 100,
     elevation,
+    controlSize,
+    dotSize,
     ...props
   }: RadioProps<RadioValue>,
   ref: React.ForwardedRef<HTMLInputElement>,
 ) {
   const theme = useTheme();
-  const iconWidth = theme.controlSize.radioSize;
+  const iconWidth = controlSize ?? theme.controlSize.radioSize;
 
   const innerContainerMotionProps = useMotionProps({
     enterConfigs: [checkboxOpacityEnterConfig, checkboxScaleEnterConfig],
@@ -107,12 +119,13 @@ const RadioWithRef = forwardRef(function RadioWithRef<RadioValue extends string>
         flexShrink={0}
         justifyContent="center"
         role="presentation"
+        style={{ width: iconWidth, height: iconWidth }}
       >
         <motion.div {...innerContainerMotionProps}>
           {checked && (
             // setting inner dot to match color of the radio outline
             <Box color={controlColor} testID="radio-icon">
-              <DotSvg color="currentColor" width={iconWidth} />
+              <DotSvg color="currentColor" dotSize={dotSize} width={iconWidth} />
             </Box>
           )}
         </motion.div>
diff --git a/packages/web/src/controls/__tests__/Checkbox.test.tsx b/packages/web/src/controls/__tests__/Checkbox.test.tsx
index 7bceb7fa8..851a28630 100644
--- a/packages/web/src/controls/__tests__/Checkbox.test.tsx
+++ b/packages/web/src/controls/__tests__/Checkbox.test.tsx
@@ -93,6 +93,23 @@ describe('Checkbox', () => {
     expect(icon.className).toContain('bgNegative');
   });
 
+  it('applies controlSize to checkbox container', () => {
+    render(
+      <DefaultThemeProvider>
+        <Checkbox checked controlSize={60} onChange={mockOnChange}>
+          Checked
+        </Checkbox>
+      </DefaultThemeProvider>,
+    );
+
+    const outline = screen.getByTestId('checkbox-outer');
+
+    expect(outline).toHaveStyle({
+      width: '60px',
+      height: '60px',
+    });
+  });
+
   it('uses bg color when unchecked regardless of controlColor prop', () => {
     render(
       <DefaultThemeProvider>
diff --git a/packages/web/src/controls/__tests__/RadioGroup.test.tsx b/packages/web/src/controls/__tests__/RadioGroup.test.tsx
index 295b2f2a2..3ce54fa35 100644
--- a/packages/web/src/controls/__tests__/RadioGroup.test.tsx
+++ b/packages/web/src/controls/__tests__/RadioGroup.test.tsx
@@ -81,6 +81,50 @@ describe('RadioGroup.test', () => {
     });
   });
 
+  it('applies controlSize to radio container', () => {
+    render(
+      <DefaultThemeProvider>
+        <Radio checked controlSize={60} onChange={jest.fn()} testID="test-radio" />
+      </DefaultThemeProvider>,
+    );
+
+    const radio = screen.getByTestId('test-radio-parent');
+    const outlineElement = within(radio).getByRole('presentation');
+
+    expect(outlineElement).toHaveStyle({
+      width: '60px',
+      height: '60px',
+    });
+  });
+
+  it('defaults dotSize to two thirds of controlSize', () => {
+    render(
+      <DefaultThemeProvider>
+        <Radio checked controlSize={60} onChange={jest.fn()} testID="test-radio" />
+      </DefaultThemeProvider>,
+    );
+
+    const radio = screen.getByTestId('test-radio-parent');
+    const dotElement = within(radio).getByTestId('radio-icon');
+    const circle = dotElement.querySelector('circle');
+
+    expect(circle).toHaveAttribute('r', '20');
+  });
+
+  it('uses explicit dotSize when provided', () => {
+    render(
+      <DefaultThemeProvider>
+        <Radio checked controlSize={60} dotSize={30} onChange={jest.fn()} testID="test-radio" />
+      </DefaultThemeProvider>,
+    );
+
+    const radio = screen.getByTestId('test-radio-parent');
+    const dotElement = within(radio).getByTestId('radio-icon');
+    const circle = dotElement.querySelector('circle');
+
+    expect(circle).toHaveAttribute('r', '15');
+  });
+
   it('renders options', () => {
     render(
       <DefaultThemeProvider>