The science of measurement deserves serious tools
AI-powered education, professional calculators, and standards-grounded answers — built for the people who make precision possible.
Every MetTutor conversation runs on the MetLibrary knowledge base — a hand-curated corpus of 581 metrology documents (21,000+ semantically indexed chunks) spanning measurement science, calibration systems, quality management, and uncertainty analysis.
One conversation for everything: concepts, step-by-step calculations, standards exploration, and document analysis. No mode switching. Ask about anything in metrology and get standards-grounded answers with citations.
581 curated metrology documents, 21,000+ semantically indexed chunks. Every answer cites the source document in APA format.
Two-format citation system: numbered references [N] for MetLibrary sources, APA parenthetical for formal standards. Verify any claim.
When your question matches a specialized skill, MetTutor suggests it — one tap to open. Combined-signal matching finds the right tool for your query.
Calibration lab recommended practices, laboratory accreditation guidance, guard banding methodology, and decision rule standards.
The complete learning engine for certification candidates. Spaced repetition, timed mock exams, mastery tracking, and goal-paced review — everything you need to prepare for the ASQ CCT exam.
A standalone quiz interface separate from Ask MetTutor. Explorer users get 3 questions per day across all five Body of Knowledge domains. Paid plans unlock unlimited daily practice.
Unlimited practice questions across all five Body of Knowledge domains. No daily cap — study at your own pace.
Full-length mock exam matching the ASQ Certified Calibration Technician exam format. Simulate real test conditions.
Scientifically proven review scheduling. MetTutor surfaces the topics you need to review, exactly when you need to review them.
Set your exam date and MetTutor builds your review schedule. Stay on track with pacing that adapts to your target.
Body-of-Knowledge-aligned practice drills with adaptive difficulty. Focus on the domains where you need the most work.
Track your progress across domains. Visual milestones that mark your journey from fundamentals to exam readiness.
Downloadable PDF documenting your preparation journey — study hours, domain coverage, and mastery milestones.
Professional-grade metrology calculators, compliance tools, and content generators. Free skills are available to all plans — advanced tools unlock with Professional.
Available to all plans
Convert between SI and non-SI measurement units with full dimensional analysis.
Quick test uncertainty ratio and test accuracy ratio calculations for calibration assessments.
Student and above
Estimate Type B uncertainty components using rectangular, triangular, and U-shaped probability distributions.
Structured lessons on metrology fundamentals. Request a topic and receive an organized module with objectives, content, and review questions.
Professional and above
Build complete measurement uncertainty budgets with Type A and Type B evaluation per JCGM 100:2008 (GUM).
Test uncertainty ratio analysis with multiple uncertainty contributors for comprehensive calibration assessment.
Calculate effective degrees of freedom with embedded reference tables for coverage factor determination.
Guard banding calculations with JCGM 106 reference tables. Simple, optimized, and standards-based methods.
ANOVA-based measurement system analysis with calibration and measurement capability derivation.
Upload your calibration procedures for automated compliance checking against recognized standards.
Enter 7 fields (equipment, range, method, standards, environment, PPE, normative references), receive a complete 12-section draft procedure as a branded Word document.
Automated document compliance analysis against ISO/IEC 17025:2017 and related standards requirements.
Upload PDF and DOCX files for analysis, extraction, and compliance review within your MetTutor conversations.
Team Manager and above
Build discipline-specific training modules across 9 calibration disciplines: dimensional, electrical, temperature, pressure, mass/force/torque, flow, time/frequency, optical/radiation, and RF/microwave. Designed for team training programs.
Generate Word documents, Excel workbooks, and PDF reports directly from any conversation. Arm the Export Format toggle before sending — MetTutor renders the completed response into your chosen format with professional branding, headers, footers, and APA references.
Arm DOCX, XLSX, or PDF before sending your message. MetTutor renders the completed response into your chosen format — deterministic, branded output with no post-processing required.
Branded MetTutor template with professional formatting, headers, footers, and APA references. Export .docx files directly.
Tables and data export to .xlsx format. Structured workbooks ready for analysis and reporting.
Branded PDF output with MetTutor logo, headers, page numbers, and formatted tables. Professional reports in one step.
Export responses in Markdown and JSON formats for integration with external tools and documentation systems.
Persistent document storage. Access your generated documents from any session within MetTutor.
APA citations flow into your generated documents automatically — no manual formatting.
Save conversations, attach reference documents, and build on previous work. MetTutor remembers your context so you can pick up where you left off.
Save up to 50 conversations with sidebar navigation. Return to previous work anytime.
Attach documents and artifacts to conversations for reference. Keep your standards, procedures, and data alongside your analysis.
Reference previous outputs in new conversations. Build on prior analysis without starting from scratch.
Generated artifacts persist for 7 days. Download, review, and share your work on your schedule.
Voice input, read-aloud output, and visual comfort — MetTutor adapts to your preferred way of working.
Speech-to-text input for hands-free interaction. Ask questions or describe problems by voice.
Per-message text-to-speech. Listen to explanations and step-by-step walkthroughs while working at the bench.
Choose the visual mode that suits your environment. Comfortable viewing in any lighting condition.
All paid plans remove banner ads for an uninterrupted, focused learning and working environment.
Team Manager and Organization are management licenses that add oversight, reporting, and team structure. Member licenses (Student or Professional) are purchased separately — à la carte licensing lets you match each license to each person’s role.
Real-time oversight of your team’s training activity, engagement metrics, spaced-review progress, and exportable PDF reports for your quality records. Designed as objective evidence for competence assessment under ISO/IEC 17025:2017 §6.2.2.
Manage your team roster. Invite and remove members by email with plan-aware member display and license status indicators.
Per-member training activity metrics: questions asked, engaged days, last active, with individual drill-down timelines.
Track spaced-repetition engagement: topics in review, retention progress, and domain coverage across your team.
Exportable PDF reports with date range filtering. Individual or whole-team scope — objective evidence for competence assessment records.
Purchase license codes on MetTutor.com and distribute them to your team. Each member activates on MetTutor.ai — no IT department required.
Multi-team hierarchy with industry-standard group designations, aggregate cross-team reporting, and full oversight of every team, every member, and every milestone — from one dashboard.
27 industry-standard group designations replace generic sub-teams. Create groups that match your actual organizational structure — from Dimensional to Aerospace to Defense/Military.
Exportable organizational chart report showing your team structure, group assignments, and manager hierarchy.
Organization admin sees all groups and all members from one dashboard. Each Team Manager sees only their own group.
Cross-team Training Activity Reports (PDF) — all groups or filter to one. Organization-wide scope labels in exported reports.
Multiple administrators with full organizational access. Distribute management responsibility across your leadership team.
Built for the people the world depends on but never sees
Metrologists make calibrated instruments, validated processes, and traceable measurements right. MetTutor makes sure they have the tools to keep doing it.
