For 10 people, a good rule of thumb is about ½ pound (around 225 g) of potatoes per person , so you’ll want roughly 5 pounds total, or about 10 medium potatoes.

Quick Scoop

  • For most side dishes (mashed, roasted, or baked), plan:
    • Per person: ~½ lb potatoes or 1 medium potato.
* **For 10 people:** ~5 lb total, about 10 medium potatoes.
  • If your crowd loves potatoes or you want leftovers, bump it up to 6 lb (12 medium potatoes).

Adjusting For Dish Type

  • Mashed potatoes
    • Typical guides suggest ⅓–½ lb raw potatoes per person.
* For 10 people: 3½–5 lb; choosing 5 lb is safest for hearty eaters.
  • Roasted potatoes
    • About ½ lb per person is standard.
* For 10: ~5 lb, again around 10 medium potatoes.
  • Baked potatoes
    • Easiest math: 1 medium-to-large potato per person.
* For 10 people: bake at least 10, plus 1–2 extra if people are very hungry.

Simple Serving Table (HTML)

html

<table>
  <thead>
    <tr>
      <th>Dish type</th>
      <th>Per person</th>
      <th>For 10 people</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Mashed potatoes</td>
      <td>0.33–0.5 lb</td>
      <td>3.5–5 lb total</td>
    </tr>
    <tr>
      <td>Roasted potatoes</td>
      <td>0.5 lb</td>
      <td>5 lb total</td>
    </tr>
    <tr>
      <td>Baked potatoes</td>
      <td>1 medium potato</td>
      <td>10 medium potatoes</td>
    </tr>
  </tbody>
</table>

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.