Enter your sleep position, shoulder width, and mattress firmness to calculate your exact pillow loft target backed by published biomechanics research.
Loft targets derived from published biomechanics research including Tian et al. 2025 (PMID 39412632) and Lei et al. 2021 (PMID 34683013). Results are a calibration target, not a medical recommendation. Consult a clinician for diagnosed cervical conditions.
FAQs
Yes, you can calculate your loft for both positions separately. First, select 'Side Sleeper' and enter your shoulder width to get your side loft. Then, refresh the page and select 'Back Sleeper' to see your recommended back loft. You will likely need an adjustable pillow to accommodate both measurements.
straight across from the outer edge of your left shoulder bone to the outer edge of your right.Enter that number in inches into the 'Shoulder Width' field and click 'Calculate Loft'.
Yes, the tool adjusts your final loft recommendation based on how far you sink into your bed. Simply select your mattress feel from the 'Mattress Firmness' dropdown menu. If your bed is extremely plush, the calculator will subtract from your total loft requirement since your shoulders will sink deeper into the mattress.