How Much Does a Sheet of Drywall Weigh?

Quick answer: Most 1/2" drywall sold today is lightweight board. A 4×8 sheet of lightweight 1/2" weighs about 38–45 lb (17–20 kg) depending on the brand, and a 4×12 about 58–67 lb (26–30 kg). Regular 1/2" board, which is less common now, is heavier: about 51 lb (23 kg) for a 4×8 and 77 lb (35 kg) for a 4×12. A 4×8 sheet of 5/8" Type X is about 70 lb (32 kg), and a 4×12 about 106 lb (48 kg).

Those numbers come from the per-square-foot weights published by USG and Gold Bond (National Gypsum), the brands sold at Home Depot and Lowe’s: about 1.2–1.4 lb/ft² for lightweight 1/2", 1.6 for regular 1/2", and 2.2 for 5/8" Type X. Real sheets run a few pounds either way depending on the brand, the plant, and how much moisture the board has picked up. To find the weight of a whole job, use the drywall weight calculator. Punch in the sheet count and it does the multiplication for you.

Drywall weight per square foot

Every sheet weight on this page starts here. Multiply the rate by the sheet’s square footage (a 4×8 is 32 ft², a 4×12 is 48 ft²).

Assumptions: 48" wide sheets, nominal weights from USG and Gold Bond data sheets, dry board. The sheet chart uses the heavier brand value for 1/4" and 3/8". Moisture- and mold-resistant versions are usually close to the regular version of the same product. Abuse- and impact-resistant boards are heavier.

Drywall sheet weight chart (pounds, 48" wide)

Metric quick reference: lightweight 1/2" 4×8 ≈ 17–20 kg · lightweight 1/2" 4×12 ≈ 26–30 kg · regular 1/2" 4×8 ≈ 23.2 kg · regular 1/2" 4×12 ≈ 34.8 kg · 5/8" Type X 4×8 ≈ 31.9 kg · 5/8" Type X 4×12 ≈ 47.9 kg.

54" wide board (used on 9-ft walls so two sheets cover the height): multiply by 4.5 ft instead of 4. A 54"×12' sheet of lightweight 1/2" is 54 ft² × 1.2–1.4 = about 65–76 lb; regular 1/2" is about 86 lb.

Why 5/8" is heavier than the extra thickness suggests

Going from 1/2" to 5/8" adds 25% more thickness, but the weight jumps about 37% over regular 1/2" (1.6 → 2.2 lb/ft²), and roughly 1.6–1.8 times the weight of lightweight 1/2". Most 5/8" board sold is Type X fire-rated, and its core is denser and reinforced with glass fibers, so it weighs more per inch of thickness than regular 1/2". While plenty of hangers will walk a 4×8 of 1/2" (about 38–45 lb lightweight, 51 lb regular) by themselves, a 4×12 of 5/8" (about 106 lb) is a two-person carry for almost everyone.

Standard vs lightweight drywall

Lightweight 1/2" board weighs roughly 10–25% less than regular 1/2", depending on brand (about 1.2–1.4 lb/ft² vs 1.6). On a 4×12 that is about 58–67 lb instead of 77 lb. Over a full house, that adds up to a lot less strain on your crew’s backs and shoulders. Most crews hang lightweight 1/2" on walls and many ceilings now. Two cautions:

• Don’t swap lightweight 1/2" in where the plans call for 5/8" Type X. Fire-rated assemblies are listed with specific products. A lightweight 5/8" Type X board only works if the assembly listing allows it.
• On ceilings with wide framing spacing, generally anything over 16 inches, or heavy wet texture, check the board’s sag-resistance rating and the manufacturer’s framing-spacing limits.

How to figure the weight of a whole load

Sheets × weight per sheet = load weight. A few real-world examples:

Don’t forget the rest of the load. A 4.5-gallon bucket of pre-mixed all-purpose mud is roughly 60 lb, and boxes of screws, bead and tape add up too.

Hauling it: check your payload, not your towing rating

The number that matters for a pickup bed is payload, printed on the tire-and-loading sticker in the driver’s door jamb. That figure includes you, your passengers and your tools. Many half-ton pickups are rated somewhere around 1,500–2,300 lb of payload. Based on the math above, that is about 35–55 sheets of lightweight 1/2" 4×8, or 24–36 sheets of lightweight 1/2" 4×12. Regular 1/2" cuts that to about 30–45 sheets of 4×8, or 20–30 of 4×12. If you’re close to your limit, plan with the regular numbers. If you are looking to do a full basement job, you will likely need to take more than one trip or request a supplier delivery.

• Long sheets overhang. A 12-ft sheet sticks well past most tailgates. Strap it flat, flag the overhang, and support it so it doesn’t crack at the tailgate edge. You may find a tailgate extender beneficial in supporting the overhang.
• Keep it dry. Wet board gets heavier, the paper delaminates, and the core goes soft. Tarp it in transit.
• Delivery is usually worth it. Most drywall suppliers will boom or hand-carry (“stock”) the board into the rooms where it gets hung. That saves your crew hours and saves the board from damage. Ask about the stocking fee when you order.

Stocking the house: where to put the stacks

A stack of 30 sheets of 5/8" 4×12 is over 3,100 lb (30 × 105.6). On an upper floor, don’t drop that weight in one pile in the middle of a joist span.

• Spread board out in smaller stacks across rooms, close to bearing walls or along the outside walls.
• Lay sheets flat on the floor or on spacers. Leaning long sheets against a wall for days lets them bow, and bowed board fights you on the wall.
• Keep stacks off fresh concrete and away from doorways and stair openings where the crew needs room to work.
• If the floor is engineered (I-joists, trusses) and you’re stocking a big load, ask the builder or framer where it’s OK to stack.

Lifting and hanging heavy board

• One person can carry a 1/2" 4×8 (about 38–45 lb lightweight, 51 lb regular). Anything 4×12 or 5/8" is a two-person carry. Using a panel carrier or a drywall cart for longer distance moves can save energy and is safer in the long run.
• For ceilings, rent a drywall lift or use T-braces (“deadmen”). A 5/8" 4×12 overhead is about 106 lb held above your head while you drive screws.
• Hang ceilings first, then walls. Go top row first on walls, so the bottom row holds the top edge tight.

Why real sheets don’t match the chart exactly

Published weights are nominal. Actual sheets vary by manufacturer and plant, by the core formula (regular, Type X, moisture-resistant), and by moisture. Board that has sat in a damp garage weighs more than board fresh off the truck. For planning loads and lifts, the chart is close enough. If you’re right at a legal or payload limit, leave yourself a margin of about 5–10%.

Related tools and reading

• Drywall weight calculator: per-sheet and job total
• Drywall sheet count calculator: get the sheet count first, then weigh it
• UltraLight drywall review
• Drywall thickness by type
• Drywall layout best practices
• How many screws per sheet