How Long to Boil Potatoes?
Get a size-aware boil estimate below, then verify doneness before serving. How we calculate times.
Calculator
Estimated cooking time
25–29 min
Evidence-informed estimate · Cooking times vary — follow the food-specific completion and food-safety guidance.
- Start in cold, well-salted water so they heat through evenly.
- Times assume the food starts refrigerated, not room temperature.
Potatoes by method
At typical settings. Pressure cooker is fastest at 12–14 min.
| Method | Typical time | Temp |
|---|---|---|
| Boil | 25–29 min | |
| Oven | 55 min – 1 hr 5 min | |
| Air fryer | 34–39 min | |
| Steam | 30–35 min | |
| Pressure cooker | 12–14 min |
How to boil potatoes
Start checking at the early end of the 25–29 min estimate. Appliance output, size and starting state vary, so use the settings above and follow the food-specific completion and safety guidance.
Boil potatoes time by size
| Size | Approximate | Time |
|---|---|---|
| Cubed (3 cm) | For mash or roast cubes | 13–15 min |
| Baby / small whole | ≈80 g each | 17–19 min |
| Medium whole | ≈180 g | 25–29 min |
| Large whole / jacket | ≈300 g, for baking | 35–41 min |
How to know when it's done
Test with the tip of a sharp knife or a fork — it should slide in with little resistance. potatoes keep cooking slightly after they leave the heat, so check a minute early.
Food-level cooking reference: BBC Good Food — Potato glossary (checked 2026-08-18). CookCue applies deterministic adjustments; food-safety guidance is sourced separately.
Frequently asked questions
How long should I boil potatoes?
Cubed potatoes take 13–15 minutes, medium whole potatoes 24–30 minutes. They're done when a fork slides in easily.
How long does a jacket potato take?
65–80 minutes at 200°C in the oven, or 45–55 minutes in an air fryer at 200°C. Prick the skin before baking.
Should potatoes go into cold or boiling water?
Cold. They cook more evenly and the outside doesn't turn mushy before the center is done.