About this tool
The Standing Desk Height Calculator is a free, in-browser tool that turns your body height into ergonomic desk, seat, and monitor heights for both standing and seated work. It uses well-established anthropometric ratios so your elbows stay near 90°, your wrists stay neutral, and the top of your screen sits at or just below eye level — the neutral-posture setup ergonomists recommend to reduce shoulder, wrist, and neck strain. Everything is computed locally in your browser and nothing you enter is uploaded.
From your total height H the tool derives: standing desk (elbow) height ≈ 0.6 × H, seated desk height ≈ 0.375 × H, and seat height ≈ 0.25 × H. Standing eye height ≈ 0.936 × H tells you where the top of a monitor should be (place it about 2–3 in / 5–8 cm below that so your gaze falls on the upper third of the screen), and seated eye height ≈ seat height + 0.4 × H does the same when sitting. An optional shoe-heel value is added to the standing measurements so a heel that lifts you off the floor is accounted for. Choose centimeters or inches for all results.
As a worked example, a person 170 cm tall gets a standing desk height of about 102 cm, a seated desk height of about 63.8 cm, a seat height of about 42.5 cm, and a standing eye height of about 159 cm — so the monitor top should be roughly 154–156 cm off the floor. Treat these as starting points: fine-tune until your forearms are parallel to the floor, wrists straight, and you can read the screen without tilting your head, and alternate between sitting and standing through the day.