Potato Side Dish Calculator
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Total potato weight = guests × grams per person — plan mashed potatoes, roasted potatoes, or scalloped potatoes for any group size.
Guests & portion size
Total potato weight
2,000 g
4.4 lb · about 9 medium potatoes
- Total grams
- 2,000 g
- Total pounds
- 4.4 lb
- Approx. medium potatoes
- 9
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Potatoes for mashed potatoes and sides
Mashed potato portions often run 170–230 g (about 6–8 oz) of raw potato per person when potatoes are a featured side — less if the table includes several starches. This calculator multiplies your per-guest gram target by headcount and converts to total pounds and an approximate potato count.
Average russet potatoes weigh about ½ lb (225 g) each, but sizes vary widely at the store. Weighing at checkout or buying by the bag is more reliable than counting eyes — the potato count here rounds up from total weight assuming medium russets.
Example: 10 guests at 200 g per person for classic mashed potatoes needs 2,000 g total — about 4.4 lb or roughly 9 medium russet potatoes before peeling and trimming.
Common questions
How many grams of potato per person for mashed potatoes?
About 170–230 g (6–8 oz) of raw potato per guest is typical when mashed potatoes are a main side. Use 150 g or less if several other starches are on the menu.
Does this include butter, milk, or cream?
No — only raw potato weight. Add butter, milk, cream, and seasonings separately using your recipe or the recipe scaler.
How accurate is the potato count?
It assumes medium russets at about ½ lb each and rounds up. Actual counts depend on potato size — use total weight as your shopping guide.