Hash Brown Calories: McDonald's, Frozen and Fried
A McDonald's hash brown is 127 kcal, and that one number answers most hash brown calories searches on its own. Cook them at home and the pan decides: fried hash browns work out at 217 kcal per 100 g, oven-baked frozen ones at 164–193 kcal per 100 g, or 82 kcal for a single 50 g McCain patty.
You'd need to walk about 25 minutes to burn the 127 calories in a McDonald's hash brown.
How long does it take to burn off 127 kcal of hash brown?
A McDonald's hash brown is 127 kcal. Enter your weight to see how long it takes you to burn that off:
lb
| Activity | Time to burn 127 kcal |
|---|---|
| Walking, brisk | 25 min |
| Cycling, moderate | 16 min |
| Swimming, moderate | 18 min |
| Jogging | 15 min |
| Weight training, moderate | 28 min |
Times are for a 154 lb (11 st) adult at a steady pace; change the weight to see yours. BodyPal works this out from your steps automatically.
Hash brown nutrition per 100 g
These are the numbers for hash browns cooked the traditional way, shallow-fried in oil. Baked-from-frozen figures come further down, and they are meaningfully lower.
| Per 100 g, fried | Amount | RI% |
|---|---|---|
| Energy | 217 kcal / 908 kJ | 11% |
| Protein | 2.9 g | 6% |
| Carbohydrate | 22.2 g | 9% |
| Fat | 13.1 g | 19% |
| Fibre | 3.0 g | — |
| Sugars | 1.3 g | 1% |
| Salt | 0.94 g | 16% |
RI = Reference Intake for an average adult eating 2,000 kcal a day. Fibre has no RI figure on UK labels; the NHS recommendation is 30 g of fibre a day. Fibre is taken from the Iceland frozen hash brown label; sugars and salt from the McCain label.
Two things stand out. Fat is nearly a fifth of a day's reference intake per 100 g, which is what happens when grated potato meets hot oil. And salt is high for something that tastes mild: 0.94 g per 100 g is about a sixth of the 6 g a day the NHS advises adults to stay under.
Verified nutrition data
Numbers on this page come from CoFID, the UK government’s Composition of Foods Integrated Dataset, and from manufacturer labels where a branded product is named. Last verified August 2026. How we verify our data →
UK portions and what they cost you
Nobody eats 100 g of hash brown. They eat one, or two, or the one that came with the breakfast box.
| Portion | Weight | Calories |
|---|---|---|
| 1 McDonald's hash brown | as served | 127 kcal |
| 1 frozen oven hash brown (McCain) | ~50 g | 82 kcal |
| 2 frozen oven hash browns | ~100 g | 164 kcal |
| 2 hash browns fried for a fry-up | — | up to 254 kcal |
The McDonald's figure comes from the chain's own nutrition data and it is the most reliable number on this page, because the product never changes. Same size, same oil, same fryer, every branch.
Home cooking is where the range opens up. The same frozen patty is 82 kcal from the oven and closer to 127 kcal once it has spent five minutes soaking up sunflower oil in a frying pan. The potato didn't change. The oil did.
Oven-baked vs fried
This is the single biggest lever on the plate, and it's worth about a quarter of the calories.
| Per 100 g | Calories | Fibre | Sugars | Salt |
|---|---|---|---|---|
| McCain, oven-baked from frozen | 164 kcal | — | 1.3 g | 0.94 g |
| Iceland, oven-baked from frozen | 193 kcal | 3.0 g | 0.4 g | 0.7 g |
| Fried | 217 kcal | 3.0 g | 1.3 g | 0.94 g |
Baking McCain hash browns instead of frying them saves roughly 25% of the calories. Nothing else you do to a hash brown comes close to that.
The gap between the two frozen brands is worth a glance too. Iceland's are denser at 193 kcal per 100 g but carry noticeably less salt, 0.7 g against 0.94 g. If you're keeping an eye on salt, that's the better box; if you're counting calories, McCain's are the lighter one. Both beat the frying pan.
Hash browns in a full English
Two hash browns on a cooked breakfast come to 164 kcal straight from the oven, or as much as 254 kcal if they've been fried alongside the bacon. That's a 90 kcal swing on one component, decided entirely by which appliance you reached for.
Put that in perspective. On a plate that also holds sausages, bacon, egg and beans, hash browns are rarely the item doing the damage, and they're one of the few things on it you can halve without anyone noticing. Our breakdown of the full English breakfast shows where the rest of the total actually sits.
One cooking note that has nothing to do with calories: the Food Standards Agency advises cooking starchy foods like potatoes to a golden yellow rather than a dark brown. Very dark, crisp-edged hash browns are the ones that advice is aimed at.
How do hash browns compare?
| Food | Per 100 g | Typical portion | Protein / Carbs / Fat per 100 g |
|---|---|---|---|
| Hash browns, fried | 217 kcal | 2 patties, up to 254 kcal | 2.9 g / 22.2 g / 13.1 g |
| Hash browns, oven-baked (McCain) | 164 kcal | 1 patty ~50 g, 82 kcal | 2.3 / 21.0 / 7.4 |
| Jacket potato | 97 kcal | medium 285 g, 277 kcal | 2.5 g / 22.6 g / 0.2 g |
| Chip shop chips | 214 kcal | regular, 300 g — 642 kcal | 3.5 / 33.2 / 8.4 |
Here's the verdict. Gram for gram a fried hash brown is chip shop chips in a different shape, 217 against 214 kcal, so if the goal is losing weight the jacket potato wins by a distance at 97 kcal per 100 g with almost no fat. But portion size flips the picture: a medium jacket potato is 277 kcal and fills you up for hours, while a single oven hash brown is 82 kcal and fills you up for about ten minutes. Pick the potato for the meal, the hash brown for the extra.
The air-fryer myth
The common belief is that an air fryer strips calories out of a hash brown. It doesn't. An air fryer is a small fan oven, so a frozen patty cooked in one lands on the oven-baked numbers, 164–193 kcal per 100 g, not below them.
What the air fryer actually does is let you skip the added oil, and that's where the saving lives. The 25% gap between 164 and 217 kcal per 100 g is oil, not technology. Brush the basket with a spoonful of oil first and you have quietly rebuilt the frying pan.
Second myth, smaller but stubborn: that hash browns are raw potato until you cook them. Most frozen supermarket hash browns are par-fried before freezing, which is why a "baked" one still carries a good amount of fat. Reading the box beats guessing.
Most popular hash brown brands in the United Kingdom
Ranked by how widely each product appears among foods sold in the United Kingdom, from the BodyPal food database of over 3.3 million products. Calories are the figures printed on each label.
| Product | Calories (per 100 g, oven-baked) |
|---|---|
| McCain Hash Browns | 164 kcal |
| Strong Roots Cauliflower Hash Browns | 185 kcal |
| Iceland Hash Browns | 193 kcal |
Brand popularity: BodyPal food database. Nutrition: manufacturer labels.
Common questions
How many calories are in a McDonald's hash brown?
One McDonald's hash brown is 127 kcal, according to the chain's own nutrition data. It's the lightest hot item on most breakfast orders and one of the few fast food numbers you can log without thinking, because the product is made to the same size and cooked the same way in every branch.
How many calories are in a frozen oven hash brown?
A McCain oven hash brown is 82 kcal for roughly 50 g, based on 164 kcal per 100 g on the label. Iceland's are denser at 193 kcal per 100 g. Two McCain patties from the oven come to 164 kcal, which is less than a single fried portion of the same weight.
Are hash browns healthy?
Hash browns are potato plus oil: 217 kcal and 13.1 g fat per 100 g fried, falling to 164 kcal baked from frozen. Salt is the figure worth watching at 0.94 g per 100 g, about a sixth of the 6 g a day the NHS advises for adults. Oven-baked, they're an ordinary starchy side.
Are oven hash browns lower in calories than fried?
Yes, by about 25%: 164 kcal per 100 g for McCain oven-baked against 217 kcal per 100 g fried. The potato is identical, so the whole difference is oil absorbed in the pan. On a two-patty portion that's the difference between 164 kcal and up to 254 kcal.
How many calories are in air fryer hash browns?
Air fryer hash browns land at 164–193 kcal per 100 g, the same as oven-baked, because an air fryer is a fan oven in a small box. The saving comes from cooking without added oil rather than from the appliance. Add a spoonful of oil and you move back towards the fried figure of 217 kcal.
How many calories do two hash browns add to a full English?
Two hash browns add 164 kcal to a cooked breakfast if they came out of the oven, or up to 254 kcal if they were fried in the pan with everything else. On a plate that size they're rarely the biggest number, but they're one of the easiest items to halve.
How much salt is in a hash brown?
A 50 g McCain hash brown carries about 0.47 g of salt, from 0.94 g per 100 g on the label. Iceland's are lower at 0.7 g per 100 g, or roughly 0.35 g per patty. Two of them use up around a sixth of the 6 g daily maximum the NHS advises.
Do hash browns contain any fibre?
Yes, 3.0 g per 100 g on the Iceland frozen hash brown label, which is decent for a fried potato product and comes from the potato skin left in the mix. That's around a tenth of the 30 g a day the NHS suggests, from a 100 g portion.
Are hash browns worse than chips?
They're near enough identical fried: 217 kcal per 100 g for hash browns against 214 kcal per 100 g for chip shop chips. The difference is how much you eat. A chip shop portion runs far heavier than two hash browns, so hash browns usually cost less over the meal.
Can hash browns fit into a weight-loss day?
One oven-baked hash brown at 82 kcal fits into most days without much thought. The problem is never one; it's four fried ones next to bacon. Bake them from frozen, keep it to two, and you've spent 164 kcal on the part of breakfast people actually look forward to.
Similar foods
- Pancake — 187 kcal each
- Duck eggs — ~106 kcal each
- Eggs — 72 kcal per boiled medium egg
- Greek yogurt — 226 kcal per 170 g pot
- Weetabix — 136 kcal for two biscuits
- Porridge — 168 kcal a bowl with semi milk
Count it without the maths
BodyPal logs a plate of hash browns, beans and bacon from one photo, splits the calories by item and keeps the running total for the day.
