What is the Length of the Single Bed Mattress?

Sibtain Azhar · April 23, 2025

What is the Standard length of the Single Bed Mattress?

The standard length of a single bed mattress is 190 cm (75 inches / 6 feet 3 inches). This measurement is consistent across most regions, though extra-long versions (e.g., 200 cm / 79 inches / 6 feet 7 inches) are available for taller individuals. Always verify product specs to match your bed frame.

Explore how to choose the right single bed mattress size with our insightful guide.

What should be the length of the single bed mattress for a child?

For a child, the standard single bed mattress length is 190 cm (75 inches / 6 feet 3 inches). However, some junior or toddler-specific mattresses are shorter:

Junior single: 180 cm (71 inches / 5 feet 11 inches) – Ideal for younger children (ages 4–10) or smaller rooms.

Standard single: 190 cm (75" / 6'3") – Best for older kids/teens to accommodate growth.

Choose based on:

Child’s height: Add 10–15 cm (4–6 inches) to their current height for comfort.

Bed frame size: Match the mattress length to the frame.

Longevity: A standard single (190 cm) avoids frequent upgrades as the child grows.

Does mattress length impact comfort and sleep quality?

Yes, mattress length directly impacts comfort and sleep quality if it doesn’t align with your height:

Standard length: 190 cm (75" / 6'3") suits most adults up to ~180 cm (5'11").

Too short: Feet/head may hang off, straining joints/muscles, and disrupting spinal alignment.

Ideal fit: Your body should fully rest within the mattress (add 5–10 cm / 2–4 inches to your height for comfort).

For taller individuals: Go for extra-long single mattresses (200 cm / 79" / 6'7") to avoid cramped postures and ensure restful sleep. Always prioritize length alongside depth and material for optimal support.

Does the length of the mattress influence spine alignment?

Yes, mattress length can influence spine alignment if it’s too short for your height:

Too short: Feet/head hanging off forces awkward postures (curling legs or tilting neck), straining spinal curvature.

Ideal length: Your body should lie fully extended with 5–10 cm (2–4 inches) of space beyond your height. For example:

A 180 cm (5'11") person needs at least 185–190 cm (73–75" / ~6'3") mattress.

Taller individuals (>190 cm / 6'3") should opt for extra-long mattresses (200 cm / 79" / 6'7").

Key: Spine alignment depends on full-body support. A properly sized mattress lets your spine rest neutrally, while a cramped one disrupts natural curves. Pair adequate length with proper depth (10–12 inches) and firmness for optimal results. Always measure your height + bed frame before buying!