Loft depends on position
Side sleepers usually need more height, stomach sleepers need less, and back sleepers often need a medium loft that supports the neck without pushing the chin forward.
Pillow Loft Calculator
High loft? Low loft? Find the perfect pillow height for your body and sleep style in seconds.
pillow loft calculator
How this pillow loft calculator helps
Sleepers trying to reduce neck strain by matching pillow height to body shape and mattress feel.
Estimate pillow height
Match loft to sleep position
Improve neck and shoulder alignment
How do you sleep?
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Pillow Care Tips
Wash Every 6 Months
Most down and fiber pillows are machine washable. Check the tag! Memory foam should usually be spot cleaned only.
Replace After 1-2 Years
Pillows absorb sweat and oils. If it folds in half and doesn't spring back immediately, it's dead.
Use Protectors
A zippered pillow protector under your pillowcase keeps dust mites and moisture out of the fill.
Frequently Asked Questions
What is pillow loft?
Loft refers to the height or thickness of the pillow. It is the most critical factor in spinal alignment. The goal is to keep your head neutral, not tilted up (too high) or down (too low).
Does mattress firmness affect pillow choice?
Yes! On a soft mattress, your body sinks down, so there is less gap between your head and the mattress—meaning you need a LOWER loft pillow. On a firm mattress, you stay higher up, requiring a HIGHER loft pillow.
Why do I wake up with neck pain?
Neck pain is usually caused by the wrong pillow height. If you sleep on your back with a high pillow, your chin is forced to your chest. If you sleep on your side with a low pillow, your head drops towards the bed. Both strain muscles.
What is the best pillow material?
It depends on preference. Memory foam offers the best contouring and support. Down is soft and luxurious but requires fluffing. Latex is bouncy and cooling. Buckwheat is firm and very breathable.
How do I measure my shoulder width?
Measure from the base of your neck to the tip of your shoulder bone. This measurement roughly corresponds to the 'gap' needed to be filled by the pillow when side sleeping.
Quick guide
Pillow Loft Calculator: what to check first
Use this tool as a starting point, then confirm product details, health guidance, seller terms, and live availability where relevant before making a final decision.
Step 1
Choose your sleep position
Step 2
Add body build and shoulder context
Step 3
Account for mattress firmness
Step 4
Compare pillow materials and adjustability
Mattress firmness changes the gap
A softer mattress lets shoulders sink farther, often reducing pillow height needs. A firm mattress can leave a larger gap for side sleepers.
Adjustability is useful
Shredded foam, latex fill, and adjustable inserts make it easier to fine-tune loft after a few nights of real sleep.
Search questions this tool answers
What is pillow loft?
Pillow loft is the height or thickness of a pillow when it supports your head and neck.
What pillow loft is best for side sleepers?
Side sleepers often need medium-high to high loft, depending on shoulder width and how deeply the mattress lets them sink.
Can the wrong pillow loft cause neck pain?
It can contribute to neck strain if it bends the neck too far upward, downward, or sideways for long periods.
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