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Washer Size Chart: What Size Washer Do I Need? 2026

A 4.5 cu ft washer holds 18 lb of laundry, suits a household of 4–5 people, and is 27 in wide. Every size from 2.0 to 6.0 cu ft is in the table below, with the max load, the household it suits and the width — enter your capacity in the calculator and the reverse lookup tells you the size from the load you need to wash.

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Washer size lookup

Enter a washer capacity for its max load, household and width — or a load to find the capacity it needs.

The washer’s drum capacity in cubic feet, printed on the spec sheet. The default is 4.5 cu ft. Between 1 and 7 cu ft.

The weight of laundry you want to wash in one load, in pounds. The default is 18 lb — a 4.5 cu ft washer’s max load. Between 4 and 30 lb.

4.5 cu ft washer → 18 lb, 4–5 people, 27 in wide4.5 cu ft washer → 18 lb, 4–5 people, 27 in wide4.5 cu ft washer: 18 lb max load, suits 4–5 people, 27 in wide. Max load = 4 lb per cu ft, rounded; household and width come from the nearest chart row.

Washer capacity: 4.5 cu ft

Max load: 18 lb

Household size: 4–5 people

Washer width: 27 in

Reverse: 18 lb needs: 4.5 cu ft

Reverse: 12 lb needs: 3.0 cu ft

Reverse: 24 lb needs: 6.0 cu ft

Reverse: 10 lb needs: 2.5 cu ft

Branch: 3.0 cu ft: 12 lb, 2 people, 27 in

Branch: 5.0 cu ft: 20 lb, 5+ people, 27 in

Branch: 2.0 cu ft: 8 lb, 1 person, 24 in

Branch: 6.0 cu ft: 24 lb, 6+ people, 28 in

A 4.5 cu ft washer holds 18 lb. That suits a household of 4–5 people, and the machine is 27 in wide — the standard width for most full-size washers.

3.0 cu ft washer: 12 lb max load, 2 people, 27 in wide.

5.0 cu ft washer: 20 lb max load, 5+ people, 27 in wide.

2.0 cu ft washer: 8 lb max load, 1 person, 24 in wide.

6.0 cu ft washer: 24 lb max load, 6+ people, 28 in wide.

Reverse: an 18 lb load needs a 4.5 cu ft washer.

Reverse: a 12 lb load needs a 3.0 cu ft washer.

Reverse: a 24 lb load needs a 6.0 cu ft washer.

Reverse: a 10 lb load needs a 2.5 cu ft washer.

Reverse lookup: 18 lb → 4.5 cu ft; 12 lb → 3.0 cu ft; 24 lb → 6.0 cu ft; 10 lb → 2.5 cu ft. Max load = 4 lb per cu ft.

The full chart

Washer capacity in cubic feet, the max load it holds, the household it suits and the machine width. Max load follows the rule of thumb used across the industry: about 4 lb of laundry per cubic foot of drum. A load heavier than the max will not wash clean — the clothes need room to tumble.

CapacityMax loadHouseholdWidth
2.0 cu ft8 lb1 person24 in
2.5 cu ft10 lb1–2 people24 in
3.0 cu ft12 lb2 people27 in
3.5 cu ft14 lb2–3 people27 in
4.0 cu ft16 lb3–4 people27 in
4.5 cu ft18 lb4–5 people27 in
5.0 cu ft20 lb5+ people27 in
5.5 cu ft22 lb5+ people28 in
6.0 cu ft24 lb6+ people28 in

The worked example, line by line

Defaults: washer capacity 4.5 cu ft.

Line 1 — the max load. 4 × 4.5 = 18 lb. That is about two full laundry baskets, or a king-size sheet set plus a week of clothes for one person.

Line 2 — the household. The nearest chart row for 4.5 cu ft is the 4.5 row itself: 4–5 people. A household of four doing laundry twice a week fills a 4.5 cu ft drum without overloading it.

Line 3 — the width. The 4.5 cu ft row is 27 in wide — the standard full-size width. Measure the doorway and the laundry nook before you buy: 27 in fits most spaces, 28 in needs a check.

Reverse: an 18 lb load needs 4.5 cu ft (18 ÷ 4); a 12 lb load needs 3.0 cu ft; a 24 lb load needs 6.0 cu ft; a 10 lb load needs 2.5 cu ft.

Every branch, checked

3.0 cu ft: 12 lb max load, 2 people, 27 in wide. The classic apartment size for a couple — full width, smaller drum.

5.0 cu ft: 20 lb max load, 5+ people, 27 in wide. A big family drum in the standard width — the extra capacity comes from depth, not width.

2.0 cu ft: 8 lb max load, 1 person, 24 in wide. The compact size for one person or a small flat — narrow enough for a 24-in closet.

6.0 cu ft: 24 lb max load, 6+ people, 28 in wide. The biggest home size — check the doorway, because 28 in is wider than the standard 27-in opening.

Output · formula · meaning

OutputFormulaWhat it means
Max load4 × capacity (cu ft), rounded18 lb for a 4.5 cu ft washer.
Household sizenearest chart row4–5 people for a 4.5 cu ft washer.
Washer widthnearest chart row27 in for a 4.5 cu ft washer.
3.0 cu ft washertable row12 lb, 2 people, 27 in.
5.0 cu ft washertable row20 lb, 5+ people, 27 in.
2.0 cu ft washertable row8 lb, 1 person, 24 in.
6.0 cu ft washertable row24 lb, 6+ people, 28 in.
Reverse: 18 lb needsload ÷ 44.5 cu ft.
Reverse: 12 lb needsload ÷ 43.0 cu ft.
Reverse: 24 lb needsload ÷ 46.0 cu ft.
Reverse: 10 lb needsload ÷ 42.5 cu ft.

Who uses this

  • The family of four buying a new washer: they learn a 4.5 cu ft washer holds 18 lb and suits 4–5 people — so they know the standard size fits, and they check the 27-in width against their laundry nook before ordering.
  • The apartment dweller: they learn a 2.0 cu ft washer holds 8 lb and is 24 in wide — so they know the compact size fits one person and a narrow closet, and they check the 3.0 cu ft row at 12 lb before sizing up.
  • The big-family shopper: they learn a 5.0 cu ft washer holds 20 lb in the standard 27-in width — so they know the extra capacity comes from depth, and they check the 6.0 cu ft row at 24 lb and 28 in before going bigger.
  • The load-weigher: they learn an 18 lb load needs 4.5 cu ft — so they can work backwards from the laundry pile, and they check the 12 lb and 24 lb reverses before guessing a size.

Accuracy & limitations

The 4-lb-per-cubic-foot rule is the industry rule of thumb, not a law of physics: real loads depend on what you wash — towels and jeans weigh far more per cubic foot than sheets and T-shirts, and a drum full of towels hits the weight limit long before it looks full. Household sizes assume two to three loads a week; a household that washes daily can manage with a smaller drum, and one that washes once a week needs a bigger one. Widths are the standard for each capacity class, but manufacturers vary by an inch either way — always measure the actual machine and the doorway before buying. Front-loaders and top-loaders of the same capacity hold the same weight, but front-loaders usually wash a full load better because the drum tumbles the clothes. For the matching dryer, see clothesline vs dryer; for cold versus hot wash, see cold wash vs hot wash.

Cite this calculatorBright Side Kit. “Washer Size Chart: What Size Washer Do I Need? 2026.” brightoolbox.com, 2026. Method: max load = 4 × capacity (cu ft), rounded; household and width from the nearest chart row; reverse: capacity = load ÷ 4. Defaults: 4.5 cu ft → 18 lb, 4–5 people, 27 in wide. Rows: 2.0 cu ft → 8 lb, 1 person, 24 in; 2.5 cu ft → 10 lb, 1–2 people, 24 in; 3.0 cu ft → 12 lb, 2 people, 27 in; 3.5 cu ft → 14 lb, 2–3 people, 27 in; 4.0 cu ft → 16 lb, 3–4 people, 27 in; 4.5 cu ft → 18 lb, 4–5 people, 27 in; 5.0 cu ft → 20 lb, 5+ people, 27 in; 5.5 cu ft → 22 lb, 5+ people, 28 in; 6.0 cu ft → 24 lb, 6+ people, 28 in. Reverses: 18 lb → 4.5 cu ft; 12 lb → 3.0 cu ft; 24 lb → 6.0 cu ft; 10 lb → 2.5 cu ft. Bright Side Kit. "Washer Size Chart: What Size Washer Do I Need? 2026." https://brightoolbox.com/washer-size-chart/ Accessed October 25, 2026.
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Frequently asked questions

What size washer do I need for a family of 4?

A 4.5 cu ft washer. It holds 18 lb per load and suits 4–5 people at two to three loads a week, and it is 27 in wide — the standard full-size width. A family that washes once a week should look at the 5.0 cu ft row (20 lb) instead.

How many pounds can a 4.5 cu ft washer hold?

18 lb. The rule is about 4 lb per cubic foot: 4 × 4.5 = 18 lb. That is roughly two full laundry baskets, or a king-size sheet set plus a week of clothes for one person.

What size washer do I need for one person?

A 2.0 cu ft washer holds 8 lb and is 24 in wide — enough for one person at two loads a week. A 2.5 cu ft washer (10 lb) is the step up if you wash bulky items like duvets.

How wide is a standard washer?

27 in. Every capacity from 3.0 to 5.0 cu ft in the chart is 27 in wide; compact 2.0–2.5 cu ft machines are 24 in, and the biggest 5.5–6.0 cu ft machines are 28 in. Measure the actual machine before buying — brands vary by an inch.

What size washer holds 20 pounds?

A 5.0 cu ft washer. It holds 20 lb, suits 5+ people, and is still 27 in wide — the extra capacity comes from depth, not width. A 24 lb load needs the 6.0 cu ft size, which is 28 in wide.

Can I overload my washer?

You can, but the clothes will not wash clean. Above the max load the clothes cannot tumble, detergent cannot reach the middle, and the machine wears out faster. If the drum is more than about three-quarters full of dry clothes, split the load.

Does a bigger washer use more water?

Not per load of laundry. A 5.0 cu ft washer uses more water per cycle than a 2.0 cu ft one, but it washes more than twice as much — so a big family uses less water overall with the bigger drum, because it runs fewer cycles.

Front loader or top loader — does size work the same?

Yes, for capacity: a 4.5 cu ft front-loader and a 4.5 cu ft top-loader both hold 18 lb. The difference is the wash: front-loaders tumble the clothes and usually clean a full load better, while top-loaders are easier to load and unload.