Built for Engineers in Nepal & beyond

Nepal’s Engineering Platform -
NEC Exam Prep, BOQ Builder & 120+ Calculators

Generate professional BOQ reports in minutes. Prepare for the NEC license exam with 22,000+ MCQs. Use 120+ engineering calculators. Access Nepal’s most complete code eBooks, all in one platform. Free to start.

Eng Sutra engineering calculator library on mobile
NEC licence exam MCQ practice screen
BOQ builder screen

Trusted by engineering students, NEC candidates, architects & contractors

NEC exam prep · DUDBC-standard BOQ generation · 120+ engineering calculators · Nepal Building Code Library

What we offer

Four tools. One Platform.
Everything a Nepali Engineer Needs.

Whether you're preparing for the Nepal Engineering Council (NEC) license exam, designing a structure, estimating project costs, or looking up Nepal Building Code requirements Engineer's Toolbox gives you every tool in one place.

NEC MCQ practice screen showing a question with explanation
NEC licence exam Most used

NEC License Exam Preparation.
22,000+ MCQs Across All Faculties.

The NEC license exam stands between your degree and a professional career and most candidates underestimate it. Our MCQ bank covers the full NEC syllabus across civil, structural, electrical, mechanical, and architecture faculties. Explanations teach the concept, not just the answer. Track your readiness score.

Full NEC Syllabus Timed Mock Tests All Faculties Readiness Score Model Questions Explanations That Teach
Start NEC Exam Practice
BOQ builder with editable material rates
BOQ Generator Free during early access

Nepal's First Digital BOQ Builder.
Can Edit Material Rates.

Build a professional Bill of Quantities in minutes, not hours. Engineer's Toolbox lets you edit material rates from your local rates and run full rate analysis, so your BOQ reflects your actual project costs and is submission-ready from the start. No broken Excel formulas. No manual rate lookups.

Rate Analysis PDF & Excel Export Civil & Structural Plumbing & Electrical Custom Rate Input Editable BOQ Items
Try the BOQ Builder Free →
Engineering calculator library Bricks by volume calculator
Engineering calculators 120+ tools

120+ Engineering Calculators.
RCC Structure to Conversions

From RCC beam design to steel column checks, our calculator library covers structural, civil, geotechnical, hydraulic, and MEP calculations; all built on IS Code and Nepal Building Code (NBC) standards. Every result shows the full working formula so you can verify the calculation and understand the engineering behind it.

IS Code & NBC Compliant Structural, Civil & MEP Calculation History Mobile-Optimized, Use On-Site 120+ Tools & Growing
See All 120+ Calculators
Nepal engineering code e-book library
E-books New

Nepal Engineering Code Library.
NBC, DUDBC Rates & Design Standards

Stop hunting through five different PDFs every time you need to check a setback requirement, DUDBC rate, or design standard. The library brings together NEC faculty wise notes, design requirements, district rates, and codes & standards curated by practising engineers, organized for fast lookup, available offline.

NEC Faculty Wise Notes Design Requirements District Rates Offline Access — Anywhere Curated by Practising Engineers
Browse The Library

Expanding globally

NEC Is Just the Start
International Engineering Exam Prep Is Next

Thousands of Nepali engineers move abroad every year. Engineer's Toolbox is expanding to support the international credentials they need; FE, PE, GATE, UAE Engineering License, and Gulf country licensing exams.

How it works

Up and running in 3 minutes.

  1. 01

    Create your account

    Sign up free with your Google account, no forms to fill

  2. 02

    Pick your tool

    BOQ Builder, MCQ Bank, Calculators or eBooks — start with what you need most

  3. 03

    Get results instantly

    Your BOQ is generated in minutes, MCQ score and feedback appear immediately

  4. 04

    Grow with the platform

    Track progress, export reports and unlock advanced tools as your needs grow

FAQ

Frequently asked questions.

Yes, during early access the BOQ tool is fully free. You can create up to 2 BOQ reports per month, export to PDF and Excel, and use DUDBC standard rates, no card needed.

Yes. The MCQ bank covers civil, structural, electrical, mechanical and architecture faculties across the full Nepal Engineering Council syllabus, with detailed explanations for every question.

DUDBC (Department of Urban Development and Building Construction) publishes official district-wise rates for materials, labour and machinery. Our BOQ tool uses these as default rates, updated each fiscal year.

Yes. Every calculator is built on standard engineering formulas (IS code, NBC) and shows the formula alongside the result so you can verify the working. Regularly reviewed by practising engineers.

Absolutely. The NEC MCQ bank and calculators work anywhere. The BOQ tool uses Nepal-specific DUDBC rates by default, but you can enter custom rates for any district or project location.

Contact

Let’s talk.

Questions about Eng Sutra, a product demo, or purchase information.
We’re based in Kathmandu and respond within 24 hours, usually much better.

Phone / WhatsApp
+977-9768534117
Office location
Kathmandu, Nepal