Free tool
RULA calculator
Pick the posture bands for one task. You get the RULA grand score, the action level and the joint driving the risk.
- Pick the bands
- Score updates as you answer
- Nothing leaves your browser
Arm and wrist
Neck, trunk and legs
Load and repetition
Wrist is the most loaded joint at 2 of 4
Further investigation is needed; changes may be required.
Review first
- 1Keep the posture varied and review the full task, including duration and repetition.
Scored in your browser. Nothing is uploaded or stored.
RULA points at the wrist here. Confirming that and choosing the control stays with the assessor.
Inside your assistant
Run the same assessment from Claude, ChatGPT or Copilot
The scoring runs the same way through a connector, so the assessment happens where the conversation already is. Nothing about your workspace is sent to Soter.
Endpoint
https://soter-tools-mcp-hazel.vercel.app/mcpClaude
- Settings, then Connectors, then Add custom connector.
- Paste the endpoint and save.
- Ask: assess the RULA score for this posture.
ChatGPT
- Enable Developer Mode in your workspace settings.
- Add the endpoint as a custom MCP connector.
- Ask: assess the RULA score for this posture.
Copilot Studio
- Open your agent, then Tools, then Add a tool.
- Choose Model Context Protocol and paste the endpoint.
- Ask: assess the RULA score for this posture.
After the score
Where a RULA score stops
RULA tells you a task deserves attention. It does not tell you what changed, whether the control worked, or how the same task scores across a shift.
What people ask about RULA scores
What is a RULA assessment?
Rapid Upper Limb Assessment is a screening method for musculoskeletal risk in the upper body. It scores upper arm, lower arm, wrist, neck, trunk and legs, adds muscle use and force, and combines them into a grand score from 1 to 7 with a matching action level.
What does my RULA score mean?
A score of 1 or 2 is acceptable if the posture is not held or repeated for long periods. 3 or 4 means further investigation is needed and changes may be required. 5 or 6 means investigation and changes are required soon. A score of 7 means investigation and changes are required immediately.
Is this calculator accurate?
It applies the published RULA tables exactly, including Table A, Table B and Table C, plus the muscle use and force scores. The result is only as accurate as the postures you select, which is why the calculator shows which joint drives the score so you can check that input first.
Does the calculator send my data anywhere?
No. The score is calculated in your browser. Nothing is uploaded, stored or attached to an account, and no sign-up is required.
What is the difference between RULA and REBA?
RULA focuses on the upper body and suits seated work, screen work and repetitive hand tasks. REBA, Rapid Entire Body Assessment, covers the whole body including legs and suits lifting and manual handling. Teams often run both across a site.
Can RULA replace an ergonomics assessor?
No. RULA is a screening method. It tells you which tasks deserve a closer look and which joint to look at first. Selecting the controls, confirming the finding and signing it off stays with a competent assessor.
See the same assessment run from a video
Bring one recorded task and walk through how the finding, the control and the reassessment are tracked.
30 minutes. No sales pressure.