Weighted Blanket Calculator

Estimate a practical weighted blanket target for one person or a couple. The calculator uses the Omni weight rule so you can compare lb and kg results quickly. This page also keeps the formula, examples, FAQs, and references close by so you can check the result with confidence.

What This Weighted Blanket Calculator Helps You Do

For one person, use body weight divided by 10 plus 1.5 lb, or plus 0.68 kg. For couples, use 7.5 percent of combined body weight. Review the formula and examples below if you want to see how the result is derived.

This page is meant to give you a fast answer, but it also helps you double-check the math before you make a decision. Start with the inputs that you already know, run the calculation, and then compare the output with the formula, examples, and FAQs below so you can see whether the answer fits the situation you are modeling.

If the result looks off, the usual causes are a unit mismatch, a missing decimal, the wrong scenario, or a value that needs to be entered as a rate instead of a total. The notes on this page are designed to make those checks easy without forcing you to leave the calculator and search for context elsewhere.

  • Use the calculator first for a quick estimate.
  • Use the formula to understand how the result is built.
  • Use the examples to compare common use cases.
  • Use the references when the answer depends on a standard or assumption.

Common Checks

A quick result is useful, but the best result is one that still makes sense when you look at it a second time. If you are comparing scenarios, try changing one input at a time so you can see which variable has the biggest impact on the final answer. That makes it much easier to spot whether the calculation matches your expectations.

It also helps to keep the context of the problem in mind. A calculator can tell you the math, but you still need to decide whether the input represents a total, a rate, an average, or a category-specific assumption. When in doubt, start with a simple example from the page and scale up from there.

  • Check that every unit matches the rest of the problem.
  • Keep rates, totals, and averages separate.
  • Adjust one variable at a time when testing scenarios.
  • Use the smallest realistic input first, then scale upward.

Scenario Planning

This calculator is especially useful when you want a quick answer before you commit time, money, or effort. Try one baseline input set, then change a single number and compare the result so you can see how sensitive the answer is to that variable.

That makes the page useful for more than just arithmetic. It becomes a small decision aid that helps you compare options, test assumptions, and explain the final number with confidence when you need to share it with someone else.

Result

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Quick Answer: For one person, use body weight divided by 10 plus 1.5 lb, or plus 0.68 kg. For couples, use 7.5 percent of combined body weight. Review the formula and examples below if you want to see how the result is derived.

How to Calculate Weighted Blanket Calculator

  1. Choose the mode: Select the single-person or couple estimate.
  2. Enter the weight: Fill in the body weight or combined weight and choose lb or kg.
  3. Compare the output: Review the recommended blanket weight and round to the nearest available size.

Weighted Blanket Calculator Formula

Single person: weighted blanket weight = body weight / 10 + 1.5 lb or body weight / 10 + 0.68 kg | Couple: weighted blanket weight = 0.075 x combined body weight
Variable Meaning Unit
body weight Your weight for the single-person estimate lb or kg
combined body weight The combined weight of both people lb or kg

Worked Examples

USA - Single-person example
  • Mode: Single person
  • Body weight: 178 lb
  • Unit: lb

Result: 19.3 lb

A 178 lb person gets a recommendation near a 20 lb blanket.

UK - Metric example
  • Mode: Single person
  • Body weight: 80 kg
  • Unit: kg

Result: 8.68 kg

An 80 kg person gets a recommendation just under 9 kg.

EU - Couple example
  • Mode: Couple
  • Combined body weight: 220 lb
  • Unit: lb

Result: 16.5 lb

A couple weighing 220 lb together gets about a 16.5 lb blanket.

How to Interpret Your Results

Range Meaning Action
Under 10 lb Light blanket Good for small body weights or children.
10 to 20 lb Common adult range Most adults will find a blanket in this range familiar.
Above 20 lb Heavier blanket Check comfort, mobility, and the actual blanket size.

Frequently Asked Questions

A common rule is body weight divided by 10 plus a small comfort allowance.

Use whichever unit matches the weight you enter. The calculator keeps the output in the same unit.

Yes. The couple estimate uses 7.5 percent of the combined body weight.
Planning note: This calculator gives a practical sizing target, not a medical recommendation.

References

Last reviewed: March 30, 2026