SUS
System Usability Scale
The industry standard for measuring perceived usability. Yields a score from 0-100.
Measure User Experience
with Ease
UX questionnaires with scoring algorithms. Export as PDF, CSV, or TXT. All data stays in your browser.
01
Usability Scales
UMUX
Usability Metric for User Experience
A compact alternative to SUS with comparable reliability and validity.
UMUX-L
UMUX-Lite
Ultra-short usability measure for minimal participant burden.
CSUQ
Computer System Usability Questionnaire
IBM's comprehensive measure with subscales for system and interface quality.
PSSUQ
Post-Study System Usability Questionnaire
Lab-based version of CSUQ for controlled usability studies.
02
Task-Level Measures
SEQ
Single Ease Question
Quick task difficulty assessment after each task completion.
ASQ
After-Scenario Questionnaire
Measures satisfaction with task completion across ease, time, and support.
03
Comprehensive UX Measures
USE
USE Questionnaire
Evaluates Usefulness, Satisfaction, and Ease of Use with four subscales.
TAM
Technology Acceptance Model
Predicts technology adoption through perceived usefulness and ease of use.
04
Satisfaction & Loyalty
05
Generic Measures
SRL
Self-Reported Learnability
Assesses how easily users can learn to use a system.
BUX
Basic UX Satisfaction Survey
General-purpose UX satisfaction measure for quick assessments.