InBody 380 vs InBody R20
InBody 380 and InBody R20: compare documented specifications, features and limitations. Check the reports and explanation offered by the provider. More features alone do not establish better accuracy.
InBody 380: when to consider it
For following fat and muscle changes at a gym, nutrition practice or mobile testing event. Adds a body-water ratio and whole-body phase angle to the usual overview for discussion during a consultation.
InBody R20: when to consider it
R20 was developed for home body-composition monitoring and also appears in some fitness services. It gives a basic muscle-and-fat overview. For a more detailed consultation, it matters whether the provider also uses the computer report.
Specifications side by side
Highlighted rows differ. Unknown values stay unknown.
| Specifications | InBody 380 | InBody R20 |
|---|---|---|
| Recording time | ≈ 30 s | 30 s |
| Body weight range | 5–300 kg | 10–150 kg |
| Height range | 95–220 cm | Not verified |
| Device weight | 16 kg | 3 kg |
| Measurement frequencies | 5, 50, 500 kHz | 20, 100 kHz |
| Contact electrodes | 8 | 8 |
| Measurement position | Standing | Standing |
| Operating temperature | 10–40 °C | 10–40 °C |
| Dimensions (width × depth × height) | 415.5 × 871.5 × 1,069.9 mmEvidence | 321 × 360 × 58 mmEvidence |
| Age in the cited catalogue | From 3 yearsEvidence | 6–99 yearsEvidence |
| Impedance measurements | 15Evidence | 10Evidence |
| Device internal database capacity | 100,000 recordsEvidence | 300 recordsEvidence |
| Display | 7″ touchscreen TFT LCD, 480 × 800Evidence | LCD with basic results and buttonsEvidence |
| Display diagonal | 7″Model sources | Not verified |
| Documented interfaces | 2× RS-232C, 2× USB host, Ethernet, Bluetooth and Wi-FiModel sources | Cable USB to the original Lookin’Body Basic. Bluetooth belongs to the R20B variant.Model sources |
| Construction | Folding column and three-way hand electrodesModel sources | Not verified |
| Result sheets | Body composition, child and thermal reportsModel sources | Not verified |
| Client identification | ID entry and QR recognition option; depends on equipmentModel sources | Not verified |
| Operating modes | Professional and self-service modesModel sources | Not verified |
| Power | Not verified | AA batteries; the original documentation specifies battery operationModel sources |
| Modes | Not verified | Body composition analysis and weight-only modeModel sources |
| Detailed report | Not verified | Original Lookin’Body Basic on a computer; requires a working connectionModel sources |
| Variants | Not verified | Original R20 with USB; R20B is a separate Bluetooth variantModel 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 — katalog 380 / 380 catalogue (2024)
- InBody — globální 380 / global 380
- InBody 380 — česká produktová stránka / Czech product page
- InBody — česká příručka 380 / Czech 380 manual
- InBody — příprava / test preparation
- InBody Germany — InBody präsentiert InBody 380 & InBody 580
- InBody — Annual Report 2025 / výroční zpráva 2025
- Biospace — FDA K092786
- InBody R20 brochure — BC-ENG-00-A-090706
- InBody R20 — původní uživatelský manuál
- Lady-Fit Znojmo — InBody R20
- Lady-Fit Znojmo — ceník
- Slim Nest Beauty — procedury
- InBody — tisková zpráva k 29. výročí / 29th anniversary press release

