From Concept
to Complete Design
Spireix helps you design, draft and visualize modern buildings with precision and creativity. Turn your AutoCAD blueprint concepts into detailed structural engineering plans — faster, smarter, simpler.

3D Visualization
Experience architectural AutoCAD plans in realistic, high-fidelity 3D modeling before physical construction breaks ground.
Architectural Drafting
Draft and inspect precise AutoCAD floor plans, building cross-sections, structural schedules, and elevation detail views.
Smart Civil Tools
Compute rebar BBS, IS 456 RCC beams, footing designs, and concrete mix proportions in-browser with zero latency.
Project Management
Organize structural bills of quantities, steel tonnage takeoffs, and job-site drawing revisions seamlessly.
AutoCAD & Civil Engineering Simulation Console
Inspect real-time structural calculations, rebar bending dimensions, and codified Indian Standards directly in your browser without installs.
RCC Singly Reinforced Rectangular Beam
IS 456:2000 Cl 38.1Build architectural blueprints on software that thinks in millimeters
Architects and structural engineers draft over 250,000 m² of building blueprints on Spireix.
From initial conceptual floor plans to approved council submissions, Spireix eliminates CAD friction with automated dimension strings, layers, and instant DWG vectors.
- Parametric Section Cuts & Elevations
- AutoCAD DWG Line Convention Standards
- Architectural Drawing Book Archives
- Vector Snapping & 1:1 Scale Verification
Design structural RCC elements that withstand extreme loads effortlessly
Civil consultants and job-site teams calculate certified Bar Bending Schedules and beam capacities in seconds.
Every engine is built strictly in accordance with Bureau of Indian Standards (IS 456, IS 2502, IS 1904) to provide verified moment resistance, shear reinforcement spacing, and steel tonnage takeoffs.
- IS 456:2000 Limit State Flexure & Shear
- Automated Hook & 45°/90° Bend Deductions
- D²/162 Metric Steel Tonnage Matrix
- Pad Footing Punching Shear Check
Calculate concrete batches and commercial costs with zero ads
Commercial contractors, material suppliers, and surveyors compute site batches daily.
Eliminate costly mix errors and excess aggregate procurement. Every batch calculation is performed 100% locally in your browser with zero data harvesting and zero delay.
- IS 10262 Target Strength & Standard Deviation
- Dry Volume Swelling Factor (1.54×)
- Brickwork & Plaster Mortar Estimating
- GST Tax & Kirana Price Conversion
Complete Civil Engineering Toolkits
Engineered strictly according to Bureau of Indian Standards (BIS) and Indian Roads Congress (IRC) with verified calculations.
AutoCAD & Blueprint Detailing
Standardized architectural drafting manuals, structural reinforcement layouts, section cuts, and blueprint reading guides.
Bar Bending Schedule (BBS)
Automated rebar cutting length calculation with hook deductions (45°, 90°, 135°), unit weight D²/162, and steel tonnage.
RCC Beam Design & Checker
Limit state moment of resistance (Mu,lim), neutral axis depth (xu/d), tensile steel (Ast), and shear stirrup spacing.
RCC Column Design & P-M Curve
Short and slender column axial capacity (Pu), minimum eccentricity checks, longitudinal rebar percentage, and lateral ties.
Isolated & Combined Footings
Pad footing area from soil bearing capacity, one-way shear, two-way punching shear check, and bending moment reinforcement.
Soil Bearing Capacity (SBC)
Terzaghi and IS bearing capacity factors (Nc, Nq, Nγ) with water table corrections, strip, square, and circular footings.
Concrete Mix Design
M20 to M50 standard and high-strength mix design, target mean strength, w/c ratio curves, and batch dry proportions.
Rebar Lap & Development Length
Tension and compression development length (Ld), anchorage bond stress (τbd), and contact lap splicing for Fe500/Fe550.
Brickwork & Plaster Estimator
Standard modular and traditional brick count, cement bags (50kg), dry sand volume in m³ & cft, with wastage allowances.
Land Survey & Area Unit Converter
Precision conversion across Indian revenue units: Bigha, Katha, Guntha, Ground, Acre, Hectare, Sq Ft, and Gaj.
Flexible Pavement Design
California Bearing Ratio (CBR), Cumulative Standard Axles (msa), bitumen layer thicknesses (BC, DBM), and granular sub-base.
IS Codes Reference Explorer
Complete digital index and clause summary of Indian Standards for concrete, steel, earthquake design, and loading standards.
Digital Precision Calculators
Clean, zero-ad, client-side web tools for daily commerce, actual-size measurement, education, and life analytics.
Hardware 1:1 Screen Caliper & Ruler
Real physical millimeter and inch measuring scale on your display with credit card calibration and precision crosshair.
GST Calculator & Invoice Builder
Compute CGST, SGST, IGST, reverse tax breakdown, multi-item invoicing, and one-click printable tax statements.
10th & 12th Marks Percentage Evaluator
CBSE best-of-5 evaluator, stream presets (Science, Commerce, Arts), 9-point grading scale, and CGPA to percentage converter.
Discount & Profit Margin Percentage
Calculate single & double stacked discounts, reverse list price solver, tax adjustments, and gross profit margins.
Chronological Age & Life Clock
Real-time second counter, birthday countdown, exam cutoff date compliance (UPSC, SSC), and biological heartbeats.
Price per Kg / Grocery Kirana
Calculate exact grams for custom cash amounts (₹50, ₹100), or calculate cost for any gram weight instantly.