InBody 120 vs InBody 720
InBody 120 and InBody 720: compare documented specifications, features and limitations. Check the reports and explanation offered by the provider. More features alone do not establish better accuracy.
InBody 120: when to consider it
InBody120 is useful for following fat and muscle while changing your diet or activity. A meaningful consultation benefits from the full computer-generated report; the small display shows only part of the results.
InBody 720: when to consider it
An older detailed analyzer for following body composition and water during nutrition or sports programmes. Research mode adds regional phase angles; your report’s scope depends on the location’s settings.
Specifications side by side
Highlighted rows differ. Unknown values stay unknown.
| Specifications | InBody 120 | InBody 720 |
|---|---|---|
| Recording time | ≈ 17 s | < 60 s (Medical); < 2 min (Research) |
| Body weight range | 5–250 kg | 10–250 kg |
| Height range | 50–300 cm | 95–220 cm |
| Device weight | 4.3 kg | 45 kg |
| Measurement frequencies | 20, 100 kHz | 1, 5, 50, 250, 500 kHz; 1 MHz |
| Contact electrodes | 8 | 8 |
| Measurement position | Standing | Standing |
| Operating temperature | 10–40 °C | 10–40 °C |
| Dimensions (width × depth × height) | 392 × 434 × 55.2 mm · without the optional standEvidence | 520 × 870 × 1,200 mmEvidence |
| Age in the cited catalogue | 3–99 yearsEvidence | 3–99 yearsEvidence |
| Impedance measurements | 10Evidence | 30Evidence |
| Display | 48 × 24 mm FSTN LCDEvidence | Colour TFT LCD, 640 × 480 pixelsEvidence |
| Documented interfaces | RS-232C and Bluetooth; detailed report through LookinBodyModel sources | RS-232C, USB Host, Ethernet and IEEE 1284 parallel printer portEvidence |
| Power | Four AA batteries or a mains adapterModel sources | Not verified |
| Optional stand | 393 × 516 × 732 mm; total weight with stand 5.7 kgModel sources | Not verified |
| Report formats | Screen, optional thermal printer, full report through LookinBodyModel sources | Not verified |
| Controls | Buttons and a separate handpiece; height is enteredModel sources | Not verified |
| Reactance measurements | Not verified | 15Evidence |
| Measured regions | Not verified | Right and left arm, trunk, right and left legModel sources |
| Weight and height | Not verified | Built-in weighing platform; height is enteredModel sources |
| Report modes | Not verified | Medical for the standard report; Research for additional electrical valuesModel sources |
Fat-free mass is not pure muscle mass. A single result is not a diagnosis. Different devices and similarly named metrics may use definitions that are not interchangeable.
Sources and verification
- InBody — manuál 120, rev. E / 120 manual, revision E (2018)
- InBody — katalog 120 / 120 catalogue (2014)
- InBody 120 — česká produktová stránka / Czech product page
- InBody — příprava / test preparation
- InBody — Annual Report 2024, company history
- InBody — InBody 720 User’s Manual
- Biospace — Results Interpretation & Application
- Masarykova univerzita — InBody 720 / laboratory
- InBody CZ — podpora starších přístrojů / older device support
- Biospace — 510(k) Summary K052646

