Weighted Blanket Calculator: What Size & Weight Do I Need?

🛏️ Weighted Blanket Calculator

Find the ideal blanket weight and size for any person or bed — based on body weight & sleep preferences

Quick Presets
📏 Blanket Calculator
📊 Your Weighted Blanket Results
🧵 Fill Material Reference
Glass
Micro Beads
Thin & even fill
Pellets
Plastic Poly
Lightweight
Steel
Shot Beads
Thinnest blanket
Natural
Grains
Eco-friendly
Sand
Fill
Budget option
Cotton
Batting
Bulkier blanket
10%
Standard Rule
Of body weight
5–12%
Safe Range
All user types
📋 Recommended Blanket Weight by Body Weight
Body Weight (lbs) Body Weight (kg) Min Blanket Weight Ideal Weight (10%) Max Blanket Weight
40 lbs18 kg3 lbs (1.4 kg)4 lbs (1.8 kg)5 lbs (2.3 kg)
50 lbs23 kg4 lbs (1.8 kg)5 lbs (2.3 kg)6 lbs (2.7 kg)
60 lbs27 kg5 lbs (2.3 kg)6 lbs (2.7 kg)8 lbs (3.6 kg)
80 lbs36 kg6 lbs (2.7 kg)8 lbs (3.6 kg)10 lbs (4.5 kg)
100 lbs45 kg8 lbs (3.6 kg)10 lbs (4.5 kg)12 lbs (5.4 kg)
125 lbs57 kg9 lbs (4.1 kg)12 lbs (5.4 kg)15 lbs (6.8 kg)
150 lbs68 kg11 lbs (5.0 kg)15 lbs (6.8 kg)18 lbs (8.2 kg)
175 lbs79 kg13 lbs (5.9 kg)17 lbs (7.7 kg)21 lbs (9.5 kg)
200 lbs91 kg15 lbs (6.8 kg)20 lbs (9.1 kg)24 lbs (10.9 kg)
225 lbs102 kg17 lbs (7.7 kg)22 lbs (10.0 kg)27 lbs (12.2 kg)
250 lbs113 kg19 lbs (8.6 kg)25 lbs (11.3 kg)30 lbs (13.6 kg)
🛏️ Standard Blanket Sizes Reference
Size Dimensions (in) Dimensions (cm) Best For Area (sq ft)
Lap Pad24" x 36"61 x 91 cmDesk/therapy use6 sq ft
Throw48" x 72"122 x 183 cmCouch/TV use24 sq ft
Twin48" x 72"122 x 183 cmSingle child/adult24 sq ft
Full/Double54" x 74"137 x 188 cmSingle adult27.75 sq ft
Queen60" x 80"152 x 203 cmAdult/couple33.3 sq ft
King80" x 87"203 x 221 cmCouple/large adult48.3 sq ft
📐 Fill Amount Needed by Blanket Size & Target Weight
Blanket Size 8 lb Blanket 12 lb Blanket 15 lb Blanket 20 lb Blanket 25 lb Blanket
Throw (48x72)6 lbs fill9 lbs fill11 lbs fill15 lbs fillN/A
Twin (48x72)6 lbs fill9 lbs fill11 lbs fill15 lbs fill20 lbs fill
Full (54x74)6.5 lbs fill10 lbs fill12.5 lbs fill17 lbs fill22 lbs fill
Queen (60x80)7 lbs fill10.5 lbs fill13 lbs fill18 lbs fill23 lbs fill
King (80x87)7.5 lbs fill11 lbs fill14 lbs fill19 lbs fill24 lbs fill
💡 The 10% Rule: The most widely used guideline is to choose a blanket that weighs approximately 10% of the user's body weight. For children, stay between 5–8% to ensure safety. For seniors or those with limited mobility, keep it at 7–8%. Never exceed 15% of body weight.
⚠️ Sharing a Weighted Blanket: When two people share a blanket, use the lighter person's body weight as the basis for calculation. A blanket that is comfortable for the lighter partner ensures neither user feels pinned down. Alternatively, consider separate blankets for the best individual experience.

A Weighted Blanket is heavier than a typical cover or cushion, that wraps the body in softness. Sometimes one simply needs a strong arm or big furry cat, that curls up in a spiral. When that is not available a Weighted Blanket can replace it well.

Such blankets help many folks reduce worry and sleep more well.

What Is a Weighted Blanket and How It Helps

They usually fill them with glass beads, plastic pellets or similar pieces to add mass. Some have soft fabric like cotton, velvet or flannel around them. For instance, the Silka Snow & Hand-Knitted Weighted Blanket uses a cotton structure without any stuffings or plastic pellets.

It gives natural weight and gentle pressure, without clumping or sounds. Its knitted style includes crossed threads, so that it does not keep heat too much.

To choose the right weight, one should consider around 10 percent of the body mass. Some prefer somethign a bit heavier, even so. A too heavy blanket can create troubles.

One hardly moves such a heavy thing around, and turning in bed with it becomes hard. A less heavy version commonly is more practical in everyday cases.

Weighted Blankets come in various forms and masses. Companies like Baloo Living offer them in 12, 15, 20 or 25 pounds. One finds them for twins, queens and kings.

IKEA offers cheap Weighted Blankets in different sizes to fit various bodies and tastes. Weighted Blankets use soft rich material. There are even Weighted Blankets only four children, filled with glass beads or tiny pellets to keep little ones comfortable.

A new idea is the heavy sleep bag from Hawthorn. It works as a born blanket with a 10-pound inside and hand knitted cotton surface. One closes it with a zipper for use at home or duringtrips by plane.

Weighted Blankets first were made to help people with sensory processing problems, like autism. They are useful also for folks with conditions like chronic stress or strong ADHD. Many use them to calm down after a long and intense day.

A Weighted Blanket helps to control high energy or reset a nervous system. They even can reduce some signs of chronic pain.

One downside is the price. Weighted Blankets usually cost more than average. Some are difficult to wash or dry.

Check well whether one can wash them by machine before buying. Even so, many folks find them more comforting and sleep more quickly and deep with one.

Weighted Blanket Calculator: What Size & Weight Do I Need?

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