Available to check 
Samsung Family Hub™ RS90F66BEFEU Plumbed Total No Frost American Fridge Freezer
from £2,549.
£2,549
Rated 4.8 / 5 from up to 4,314 reviews
Colours tracked: Black
Guide
How to choose the right fridge freezer size
Work out the right fridge freezer size by measuring your kitchen first, then comparing capacity, layout and delivery fit against a few clear examples.
ReviewX may earn a commission if you buy through links on this site.
Last verified: 2026-06-10
How much food storage do you actually need?
The right fridge freezer size depends on how you shop, not just the biggest litre figure on the spec sheet. A household that buys in bulk or keeps a lot of fresh food on hand may want a larger model, while smaller households may find a more modest capacity easier to live with. As a rule of thumb, use capacity as a shorthand and then check whether you need more fresh-food space or more freezer space before you look at premium extras.
Fridge freezer sizes and layouts explained
Layout matters as much as overall size, especially when you are comparing 50/50, 70/30, American-style and multi-door designs. All three examples in this guide are American or multi-door fridge freezers, so they are aimed at shoppers who want a larger storage format rather than a compact under-counter appliance. If you are considering an integrated or built-in style, check that the installation type and hinge setup match your kitchen as well as the storage space itself.
Measuring your kitchen space
Before comparing features, measure the height, width and depth of the installation space and compare those figures with the product dimensions on the retailer page. AO’s guidance also highlights ventilation, doorway clearance and delivery access, which are especially important for American fridge freezers that may need extra room to get through doors and into position. If the route into your kitchen is tight, the appliance can be a poor fit even when the storage capacity looks right on paper.
When to choose a bigger model
A bigger fridge freezer makes sense when household size, family routines or bulk shopping create a real storage need. That is also where price can rise quickly: the shortlist runs from the Hisense PureFlat Infinite RQ758N4SASE at £899 to the Samsung Family Hub™ RS90F66BEFEU at £2,549, so shoppers should separate ‘how much fits’ from ‘how much it costs’. If you are weighing similarly styled models, compare fresh-food space, freezer layout and installation fit before deciding whether the extra spend is justified.
Electricals to use as comparison examples
Available to check 
Hisense KitchenFit RQ768N4GVE Total No Frost Multi-door American Fridge Freezer
from £1,699.
£1,699
Rated 4.9 / 5 from up to 28 reviews
Colours tracked: Silver
Available to check 
Hisense PureFlat Infinite RQ758N4SASE Total No Frost Multi-door American Fridge Freezer
from £899.
£899
Rated 4.9 / 5 from up to 3,257 reviews
Colours tracked: Stainless Steel
Sources and comparison signals
This is a cautious comparison shortlist, not a ranked verdict. The current signals show Samsung Family Hub™ RS90F66BEFEU at 4.8/5 from up to 4,314 reviews, Hisense PureFlat Infinite RQ758N4SASE at 4.9/5 from up to 3,257 reviews, and Hisense KitchenFit RQ768N4GVE at 4.9/5 from up to 28 reviews, so review depth varies a lot. Some live retailer details were unavailable during checking, so verify current dimensions, prices and availability on AO before you buy.
- 3 example electricals used to ground the adviceprice range, product spread, variants and review-signal comparison
- Measurement Guides | Guides & Advice | ao.comGeneral fit, measurement and room-size advice
- Fridge Freezer Buying Guide | Find the Right One | ao.comFridge freezer buying-guide context, integrated vs freestanding context
- American Fridge Freezer Height Measurement Made Simple ao.comWidth and doorway-clearance advice for American fridge freezers
- Fridge freezers | AO CareCapacity shorthand in litres and shopping-bag equivalence
- What Size Refrigerator Do I Need? | Samsung USHousehold-size and shopping-habit capacity guidance
Helpful next reads
Use these related electricals guides and reviews to turn the advice into a practical shortlist.
Firmness questions
What fridge freezer size is best for a couple?
For a couple, a smaller fridge freezer or a more compact 50/50 style may be enough, but it depends on how you shop. If you buy fresh food often or batch-cook and freeze a lot, you may want more capacity than the simplest rule of thumb suggests.
Do I need to measure doorway clearance for an American fridge freezer?
Yes. AO’s guidance specifically says American fridge freezers need width checks and doorway-clearance checks, so measure the route from delivery point to kitchen as well as the final gap. A model can fit the wall space but still fail at the doorway or hallway turn.
Is capacity or layout more important when choosing a fridge freezer?
Both matter, but layout usually comes first because it decides how usable the space feels day to day. Capacity is a useful shorthand, yet shoppers should still check whether they need more fresh-food room, more freezer room, or an integrated style that matches the kitchen setup.
When should I choose a larger fridge freezer?
Choose a larger model if a bigger household, regular bulk shopping or heavy freezing habits genuinely need the extra space. The trade-off is usually price and fit, so compare the storage layout against the current shortlist prices: £899, £1,699 and £2,549.
How much should I trust review ratings versus review count?
Treat both as comparison signals, but give more weight to the one with the deeper sample. In this shortlist, Samsung’s 4.8/5 comes from up to 4,314 reviews, which is much more stable than the Hisense KitchenFit score from up to 28 reviews, while the Hisense PureFlat Infinite sits in between with up to 3,257 reviews.