The Wall Street Journal has an interactive webpage up that measures your hand and suggests ideal smartphone display sizes based on the reach of your thumb.

Screen sizes vary. The length of your thumb and index finger mean some phones will be more comfortable to use. Follow these steps to see how phones with small, medium and large screens will fit your hand.

About the Author

Jordan Kahn

Jordan writes about all things Apple as Senior Editor of 9to5Mac, & contributes to 9to5Google, 9to5Toys, & Electrek.co. He also co-authors 9to5Mac’s Logic Pros series.