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Buying guide · 2 min readCoffee beans vs ground coffee: price, freshness and what to buy
Whole beans are usually cheaper per kilo and always fresher. Whether that is worth it depends on one purchase.
This is really two questions wearing one coat: which is cheaper, and which is better. The answers point the same way, but only after you account for the cost of a grinder — which is where most of the honest disagreement lives.
Which is cheaper?
Compared like for like — same brand, same blend, same pack size — whole beans are usually a little cheaper per kilo than the pre-ground version, because grinding is a step the roaster otherwise pays for. The bigger effect is that beans are far more commonly sold in 1kg bags, and pack size dominates price per kilo. Ground coffee tends to top out at 500g in supermarkets, so it rarely reaches the cheapest tier.
Cheapest whole beans per cup
Prices are the last we fetched and can move. As an Amazon Associate we earn from qualifying purchases — it never changes the order, which is always cheapest per cup first.
Cheapest ground coffee per cup
Prices are the last we fetched and can move. As an Amazon Associate we earn from qualifying purchases — it never changes the order, which is always cheapest per cup first.
The grinder changes the arithmetic
A decent burr grinder is the entry cost of buying beans. Hand grinders start around £30 and are genuinely good at that price; electric burr grinders that are worth owning start higher. Blade grinders are cheap and produce dust and boulders at the same time, which no recipe fixes.
If beans save you, say, 5p a cup over the equivalent ground coffee, a £40 grinder pays for itself in 800 cups — a bit over a year at two a day. That is a real payback, but it is not instant, and it only holds if you were going to buy the more expensive small bags of ground anyway.
What you actually gain from grinding fresh
- Aromatics. Ground coffee loses most of its volatile aroma within days of grinding; whole beans hold it for weeks.
- Control. Grind size is the main lever you have over extraction, and pre-ground coffee has already made that choice for you — usually a medium setting that suits nothing perfectly.
- Espresso specifically. Pre-ground espresso is a compromise; the machine cannot correct for a grind that is wrong for its basket.
If you brew with a cafetière or a filter machine, pre-ground coffee is much less of a compromise than it is for espresso. Buy beans for espresso first; the rest is a smaller upgrade.
So which should you buy?
| If you… | Buy | Because |
|---|---|---|
| Pull espresso at home | Whole beans | Grind control is the difference between a good and a bad shot |
| Use a cafetière or filter | Either | Pre-ground is a modest compromise; buy on price per kilo |
| Drink under two cups a day | Ground, in small packs | A big bag of beans will go stale before you finish it |
| Want the lowest price per kilo | Whole beans, 1kg | Large bags are where the price per kilo actually falls |