Large Plastic Cutting Board: Sizes, Thickness and 6 Picks

Last updated: October 19, 2026

The best large plastic cutting board for most home kitchens is the Winco 18 x 24 x 1/2 inch board: it is big enough for a whole chicken or a pile of vegetables, thick enough to stay flat and simple enough to scrub clean. If you need even more room, the Winco 18 x 30 is the step up, and if you want a grippier, juice-catching board at a lower price tier, the Gorilla Grip is the practical alternative.

A large plastic cutting board is a workhorse. It does not need oiling, it does not absorb liquids and you can replace it when it wears out. This guide covers what counts as large, how thick a plastic board should be, how to fit one in a home sink, and six real boards worth considering. It is research-based: we did not personally use these products. Specs come from listings and maker descriptions, and “not listed” means exactly that.

Farberware 15 x 20 Inch Extra Large Plastic Cutting Board, White | Reversible Cutting Board with Deep Juice Groove, Generous Prep Surface and Dishwasher-Safe Design

Included for 'Large Plastic Cutting Board: Sizes, Thickness and 6 Picks' because the listing specifies White and Reversible Cutting Board with Deep Juice Groove, details this guide uses to compare options.

View on Amazon →

Winco CBWT-1830 Cutting Board, 18-Inch by 30-Inch by 1/2-Inch, White,Medium | Dishwasher safe, Stain resistant, Minimizes dulling, HACCP approved, Great for Charcuterie, Appetizers and Buffet Displays

Included for 'Large Plastic Cutting Board: Sizes, Thickness and 6 Picks' because the listing specifies 18-Inch by 30-Inch by 1/2-Inch and White, details this guide uses to compare options.

View on Amazon →

Winco Cutting Board, 18 by 24 by 1/2-Inch, White, 18" x 24" | Dishwasher safe, Stain resistant, Minimizes dulling, HACCP approved, Great for Charcuterie, Appetizers and Buffet Displays

Included for 'Large Plastic Cutting Board: Sizes, Thickness and 6 Picks' because the listing specifies 18 by 24 by 1/2-Inch and White, details this guide uses to compare options.

View on Amazon →

FARBERWARE Large Cutting Board, Dishwasher- Safe Plastic Chopping Board for Kitchen with Easy Grip Handle, 11in by 14in, White

Included for 'Large Plastic Cutting Board: Sizes, Thickness and 6 Picks' because the listing specifies 11in by 14in and White, details this guide uses to compare options.

View on Amazon →

Whether your kitchen centers on a home espresso setup with pastries and citrus to slice, or on weeknight family meals, the same rules apply. Choose the largest board that you can wash and store, make sure it is at least half an inch thick, and keep it flat on the counter.

Top Picks at a Glance

• Best Overall: Winco 18 x 24 x 1/2 inch white plastic board, dishwasher safe per the listing.
• Best Extra Large: Winco CBWT-1830, 18 x 30 x 1/2 inch, for butchering and big prep.
• Best Value Set: Empune extra large plastic boards, set of 3, with different sizes.
• Best Grip and Juice Control: Gorilla Grip nonporous slip-resistant board with juice groove.
• Best Easy Home Board: OXO Good Grips plastic utility board, double-sided and non-porous.
• Best Flexible Option: Cooler Kitchen extra thick flexible mats, set of 6 color-coded sheets.

Quick Comparison

See also: BDO Class Tier List: Best Classes Ranked for PvE & PvP • ASTD X Ghost III Rainbow EXP IV Farming Guide Explained

1. Winco 18 x 24: Best Overall Large Plastic Board

• Size: 18 x 24 x 1/2 inch, white
• Material: plastic, per the Winco listing
• Dishwasher safe, stain resistant, minimizes dulling per the listing
• HACCP-style commercial kitchen board
• Weight: not listed

Best for: Home cooks who want a true large board without the awkwardness of a 30 inch slab.

Skip if: your sink is narrower than 24 inches or your counter is crowded.

Eighteen by twenty-four inches is the classic large size in restaurant kitchens, and it works for the same reason at home. It is wide enough to separate raw and ready foods with room between them, and long enough for a whole fish or a pile of root vegetables. The Winco board is half an inch thick, which is the practical minimum for stability in plastic.

The listing calls out dishwasher safety, stain resistance and a surface that minimizes dulling. These claims line up with how commercial polyethylene boards are positioned. At home, the main constraint is washing. Few home dishwashers fit a board this large, so plan on scrubbing it in a sink or large tub, and dry it upright.

Because it is plain, you can use both sides, and because it is cheap you can retire it when the surface is heavily scarred.

Pros

• Classic large size
• Half inch thick
• Dishwasher safe per the listing
• Simple and durable

Cons

• Too big for most home dishwashers
• Plain and utilitarian
• No juice groove stated

2. Winco CBWT-1830: Best Extra Large Plastic Board

• Size: 18 x 30 x 1/2 inch, white
• Dishwasher safe, stain resistant per the listing
• Plastic construction
• Thickness: half an inch
• Weight: not listed

Best for: Butchering, holiday cooking and anyone who wants the largest practical plastic surface.

Skip if: you have a small sink or only a small counter.

Thirty inches is long. It is the largest plastic board in this guide and the one that suits kitchens with a long island or a wide counter. A board this size lets you prep an entire meal without moving ingredients, or lay out a roast, vegetables and herbs in one place.

The trade-off is storage and washing. A 30 inch board will not fit in most sinks flat, so you may need to wash it in a tub or shower or rinse it in sections. Find a place to store it upright, such as a gap beside the fridge or a cabinet with a vertical divider.

If you cook large meals frequently, this is the plastic board to buy. If not, the 18 x 24 is easier to live with.

Pros

• Largest plastic surface in the guide
• Half inch thick
• Dishwasher safe per the listing
• Inexpensive for the size

Cons

• Awkward to wash and store
• Overkill for small kitchens
• Plain appearance

3. Empune Extra Large Plastic Boards, Set of 3: Best Value Set

• Set of 3 extra large plastic boards
• Dishwasher safe per the listing
• Material: plastic
• Exact sizes and thickness: not listed in the summary
• Care: follow the packaging

Best for: Households that want separate boards for raw meat, vegetables and everything else.

Skip if: you need a verified thickness or a specific size.

A set of three plastic boards is the cheapest way to build a color or size system. The Empune set is marketed as extra large and dishwasher safe, which suggests the boards are meant for family cooking. The summary did not give exact dimensions or thickness, so check the product page before buying.

If the boards are thinner than half an inch, treat them as flexible prep surfaces and place a damp towel underneath them. If thicker, they will serve well for daily chopping. Either way, assign one board to raw meat, one to produce and one to bread.

Sets like this are also a good option for a second home or an apartment where storage is limited.

Pros

• Three boards at a budget price tier
• Supports raw and ready-to-eat separation
• Dishwasher safe per the listing
• Easy to replace

Cons

• Sizes and thickness not listed in the summary
• May flex if thin
• Less durable than commercial boards

4. Gorilla Grip Nonporous Board: Best for Grip and Juice Control

• Material: nonporous BPA-free plastic
• Slip-resistant surface and juice groove per the listing
• Color: black
• Size: not listed in the summary
• Care: follow the packaging

Best for: Anyone who has had a board slip or has dealt with a counter flooded with juice.

Skip if: you need an exact size and cannot confirm it on the listing.

Slipping boards are the most common complaint with plastic, since the surface is smooth and the underside can be slick. Gorilla Grip designs around that, with a slip-resistant surface that holds on a wet counter and a groove that catches liquid.

The black surface suits a modern kitchen and hides stains. It also makes it harder to see if a board is truly clean, so wash it carefully. Gorilla Grip sells multiple sizes; for a large board, look for the biggest option on the listing.

It is a sensible choice for slicing fruit, citrus for a coffee bar or juicy cuts of meat.

Pros

• Slip-resistant
• Juice groove
• Nonporous
• Budget price tier

Cons

• Size not listed in the summary
• Dark color hides residue
• May be smaller than a restaurant board

5. OXO Good Grips Plastic Utility Board: Best Easy Home Board

• Material: plastic, double-sided, non-porous per the listing
• Designed for easy handling and cleanup
• Size: not listed in the summary
• Thickness: not listed
• Care: follow the packaging

Best for: Home cooks who want a familiar brand and a double-sided board.

Skip if: you need a very large board and cannot confirm the size.

OXO’s utility boards are common in home kitchens because the designs are practical and easy to handle. This model is double-sided and non-porous, which makes it a good everyday option. It can be used for raw meat on one side and vegetables on the other, though many cooks prefer separate boards.

Check the size on the product page, since OXO offers several. For a large board, aim for dimensions of 14 x 21 inches or more.

It is a good choice if you want a board that is comfortable to use and not too big for a typical sink.

Pros

• Trusted kitchen brand
• Double-sided
• Non-porous
• Budget price tier

Cons

• Size not listed in the summary
• Thickness not listed
• Not as large as commercial boards

6. Cooler Kitchen Flexible Mats, Set of 6: Best Flexible Option

• Six extra thick flexible plastic sheets
• Color coded per the listing
• Flexible so food can be poured into a pan
• Dimensions: not listed in the summary
• Care: wash after each use

Best for: Meal prep, color-coding and moving chopped food without a scoop.

Skip if: you chop hard or bony foods.

Flexible plastic mats are the lightweight cousin of large cutting boards. A set of six lets you assign one mat to each food type, wash them in the dishwasher if allowed and store them flat. They are not designed for heavy chopping, but they are excellent for slicing and for moving food.

Place them on a damp towel or a non-slip liner. Replace them as soon as they develop deep scars. They are inexpensive enough that you can rotate them.

Pair them with a thick Winco board for tough tasks, and you have a flexible system.

Pros

• Six color-coded sheets
• Flexible for pouring
• Very budget friendly
• Store flat

Cons

• Not for heavy chopping
• Can curl or slide
• Wear out faster

Also Consider

Winco 12 x 18 x 1/2 inch

A smaller white commercial board at the very low price tier; a good second board for raw poultry.

Farberware 11 x 14 Plastic Board

A compact, easy-grip dishwasher-safe board for small tasks.

thetchry Plastic Cutting Board Set of 3

A BPA-free set in large and small sizes with non-slip features per the listing.

Goodluck 5-Piece Flexible Cutting Boards

A budget flexible mat set for meat and vegetables; check thickness before buying.

How We Chose

We started with the question of what counts as large for a home plastic board, and answered it with commercial sizing: 12 x 18 inches is a medium board, 18 x 24 inches is large and 18 x 30 inches is extra large. We then looked for real boards at those sizes and in useful alternatives such as sets and flexible mats.

We read each listing for size, thickness, material and cleaning notes, and we did not personally use the products. Where the listing summary lacked a number, we said so. Prices are shown as tiers only.

We also paid attention to sink fit and storage, because those practical constraints decide whether a large board is a pleasure or a chore.

Buying Guide

What counts as a large plastic cutting board?

Standard home boards are about 11 x 14 inches. Medium boards are 12 x 18. Large is 15 x 20 up to 18 x 24 inches, and extra large is 18 x 30 or more. Use the actual dimensions rather than labels, since brands use XL and XXL loosely.

Choose large if you often prep for four or more people, handle whole poultry or work with a lot of produce at once.

How thick should plastic be?

Half an inch is the practical minimum for a rigid board. Thinner sheets flex and may slide. Three-quarter inch boards are heavier and more stable, but more expensive and harder to store. Flexible mats are thin by design and are best used on top of a stable surface.

Sink, dishwasher and storage fit

Measure the inside of your sink and dishwasher. Many sinks are about 22 to 30 inches wide, but the basin depth may be 14 to 18 inches. A 24 inch board may only fit diagonally. Check the space where you store your boards, and consider a vertical divider.

If the board does not fit, you can wash it in a tub, outside with a hose or in sections with a sponge.

Plastic types and what they mean

HDPE and polypropylene are the common food-contact plastics for boards. HDPE is slightly softer and more forgiving on knives; polypropylene tolerates heat and dishwashers well. Look for NSF listing or BPA-free statements where available. A white board shows dirt and is easy to check for cleanliness.

Plastic scars with use. When grooves are deep enough to catch a fingernail and stain, replace the board.

Cleaning and sanitizing

Wash with hot soapy water after every use. For raw meat, sanitize with a solution of about one tablespoon of unscented bleach per gallon of water, following USDA guidance, then rinse. Dry upright. If the maker allows dishwashers, use the top rack and avoid heated drying that can warp thin boards.

Never use a board that smells bad even after washing.

Cost per Year: A Simple Way to Compare

Plastic boards are consumables, so compare them by cost per year of use, not by sticker price. As an illustration, if a budget board lasts about one year of heavy use and a thicker commercial board lasts about three, the thicker board is a better deal even if it costs more at purchase. Use your own numbers: divide the price you pay by the number of years you expect to use it before the surface is too scarred.

This thinking also helps you decide on sets. A set of three thin boards might each last a year; a single half inch board might last three. If you cook daily, the thicker board usually wins. If you cook occasionally, a cheap set is fine.

Mistakes to Avoid With Large Boards

The most common error is buying the biggest board you can find without checking your sink. The second is using a thin sheet for heavy chopping. The third is leaving a board in a stack while still damp. The fourth is keeping a deeply scarred board for years. Avoid these four, and a plastic board will serve you well.

Worked Example: Will It Fit My Sink?

Take a sink basin that is 20 inches wide and 15 inches deep. A 24 x 18 inch board will not lie flat, but it will fit diagonally: the diagonal of that basin is about 25 inches, which clears a 24 inch board with an inch to spare, though you will have to tilt it. An 18 x 30 board will not fit at all, so you would wash it in two passes, one end at a time, or in a bathtub.

Measure your own basin, allow at least one inch of clearance for scrubbing, and decide before you buy. If your basin is under 20 inches wide, the 12 x 18 or 15 x 20 inch sizes are far easier to live with, and you can pair them with flexible mats for large jobs.

Setting Up a Prep Station Around a Large Board

A big board works best when the surrounding counter is organized. Put the board in the center, a bowl for scraps on the dominant-hand side, a bowl of cut ingredients on the other and a damp towel under the board. Keep the knife block or magnetic strip within arm’s reach and the sink close for quick hand washing.

If your counter is shallow, place the board lengthwise parallel to the counter edge so the long side faces you. If you use a home espresso setup nearby, keep wet citrus and pastry slicing on a separate small board so that coffee equipment stays clean and dry.

Finally, store the board where it can drain. A narrow cabinet divider or a hook on the inside of a door gets it off the counter and lets air circulate on both faces.

Quick Care Calendar

After every use: scrub both faces with hot soapy water and dry upright. Weekly: inspect for deep grooves and odors, and sanitize if you cut raw meat on it. Monthly: wash the storage area and check that the board is not warping. Every one to three years: replace the board, or sooner if the surface is heavily scored.

When a Large Plastic Board Is Not the Right Tool

A big plastic board is not ideal for every job. Serving cheese, slicing crusty bread for the table or presenting pastries is better done on wood or bamboo, which looks warmer and keeps bread crumbs from skidding. Chopping very hard items, such as frozen foods or bones, can chip or crack thin plastic, so use a thick board or a butcher’s block for those tasks instead. And if your goal is to avoid plastic altogether, choose a paper composite or hardwood board and keep a small plastic board only for raw meat. Matching the board to the job protects both your knives and your food.

Frequently Asked Questions

What size is a large plastic cutting board?

A large plastic cutting board is typically 15 x 20 inches to 18 x 24 inches. Extra large boards are 18 x 30 inches or more. Always check the dimensions in the listing.

How thick should a large plastic cutting board be?

At least half an inch for stability. Thinner boards flex and may slide, while thicker boards are heavier and more stable.

Can large plastic cutting boards go in the dishwasher?

Many can if the maker allows it and the board fits. Most home dishwashers cannot fit a board over about 18 inches. Wash larger boards in the sink.

Is a plastic cutting board better than wood?

Plastic is easier to sanitize and replace, which suits raw meat. Wood is gentler on knives and nicer to serve from but needs more care. Many cooks use both.

How do I stop a large plastic board from sliding?

Put a damp towel or non-slip mat underneath it. A board with grip features such as the Gorilla Grip also helps.

When should I replace a plastic cutting board?

Replace it when it has deep grooves that hold stains or odors, or when it is warped. Heavy users may replace boards every one to three years.

Are flexible cutting mats good?

They are useful for slicing and for moving food, and for color-coding in meal prep. They are not stable enough for heavy chopping.

Which One Should You Buy?

For most kitchens, buy the Winco 18 x 24. If you regularly prep very large meals, step up to the Winco 18 x 30. If you want a grippy board with a juice groove, choose the Gorilla Grip. If you want a set for color-coding, the Empune set or the Cooler Kitchen mats are low-cost options, and the OXO board is the easy brand-name choice for everyday cooking.

Measure your sink and storage space first, pick the largest board that fits and replace it when it is scarred.

Sources

• Winco product pages and prep board specifications
• OXO and Gorilla Grip product descriptions
• Empune and Cooler Kitchen listing details
• USDA Food Safety and Inspection Service guidance on cutting boards
• NSF International standards for food equipment

Last updated: October 2026

Related Reviews & Guides

Guides

AMD Radeon 9070 XT vs Compared: Specs & Performance

Guides

Best Shed Storage Solutions for a Tidier Shed

Guides

Most Powerful Anime Necromancers Ranked: Top 15 List

Guides

Latte vs Cappuccino: What’s the Difference?