Size guide
Start from your height. Finish with a measurement.
These starting heights help you choose a chair and desk that can reach your fit. At a Personal Fit Session we measure you and set everything to the millimetre.
IllustrativeAdults
Starting heights by body height (with shoes)
| Your height | Seat height | Desk, seated | Desk, standing | Eye height, seated | Chair that fits | Desk that fits | Also consider |
|---|---|---|---|---|---|---|---|
| 150 cm | 400 mm | 610 mm | 940 mm | 1080 mm | Datum Compact | Altitude Pro (620-1280 mm) | Baseline footrest or Altitude keyboard tray at a fixed desk |
| 155 cm | 410 mm | 630 mm | 970 mm | 1110 mm | Datum Compact | Altitude Pro (620-1280 mm) | Baseline footrest or Altitude keyboard tray at a fixed desk |
| 160 cm | 430 mm | 650 mm | 1000 mm | 1150 mm | Datum Pro or Vernier Pro | Altitude Pro (620-1280 mm) | Baseline footrest or Altitude keyboard tray at a fixed desk |
| 165 cm | 440 mm | 670 mm | 1030 mm | 1180 mm | Datum Pro or Vernier Pro | Altitude Pro (620-1280 mm) | Baseline footrest or Altitude keyboard tray at a fixed desk |
| 170 cm | 450 mm | 690 mm | 1070 mm | 1220 mm | Datum Pro or Vernier Pro | Altitude Pro (620-1280 mm) | Baseline footrest or Altitude keyboard tray at a fixed desk |
| 175 cm | 460 mm | 710 mm | 1100 mm | 1250 mm | Datum Pro or Vernier Pro | Altitude One or Altitude Pro | - |
| 180 cm | 480 mm | 730 mm | 1130 mm | 1290 mm | Datum Pro or Vernier Pro | Altitude One or Altitude Pro | - |
| 185 cm | 490 mm | 750 mm | 1160 mm | 1320 mm | Datum Pro or Vernier Pro | Altitude One or Altitude Pro | - |
| 190 cm | 500 mm | 770 mm | 1190 mm | 1360 mm | Vernier Pro or Plinth Max 200 | Altitude One or Altitude Pro | - |
| 195 cm | 510 mm | 780 mm | 1220 mm | 1390 mm | Vernier Pro or Plinth Max 200 | Altitude Pro (620-1280 mm) | - |
Estimates from standard body-proportion ratios; individual proportions vary. Over 120 kg: choose Plinth Max 200 or Azimuth 24 Max 150 (sold with the test certificate).
Learners
Notch Junior chair and desk
Notch Junior adjusts from a seat of 380 to 500 mm and a desk of 540 to 760 mm, so it grows with learners from about 110 to 170 cm.
| Learner height | Seat | Desk | Notch Junior fits |
|---|---|---|---|
| 110 cm | 290 mm | 440 mm | Use a footrest / check at fitting |
| 120 cm | 320 mm | 490 mm | Use a footrest / check at fitting |
| 130 cm | 340 mm | 520 mm | Use a footrest / check at fitting |
| 140 cm | 370 mm | 570 mm | Use a footrest / check at fitting |
| 150 cm | 390 mm | 600 mm | Yes |
| 160 cm | 420 mm | 640 mm | Yes |
| 170 cm | 440 mm | 680 mm | Yes |
Hands, screens and loupes
Other sizes we check
- Mouse: hand length under about 17 cm - Axis Vertical Compact; longer - Axis Vertical.
- Screen: top of the screen at or just below seated eye height, about an arm’s length away - Eyeline arms.
- Feet: if your feet do not rest flat at your seat height, add a Baseline Tilt footrest.
- Dental loupes: working distance and declination angle are measured at the chair - every Focal loupe is made to those two numbers.