Engineered for Extreme Precision & Productivity
Spireix unites everyday client-side calculators, Indian Standard civil engineering engines, and architectural AutoCAD blueprint manuals into a unified, distraction-free monochrome workspace.
Digital Precision Calculators→
Clean, ad-free, instant client-side computation for finance, grocery unit pricing, stacked retail discounts, academic CBSE best-of-5 grading, and 1:1 hardware screen calipers.
GST India Calculator
CGST, SGST, IGST split, reverse tax solver, and instant printable invoices.
1:1 Screen Caliper & Ruler
Physical millimeter & inch screen measurement with credit card calibration.
Grocery Price per Kg
Convert cash budgets (₹50, ₹100) to exact grams, or solve price per gram.
10th & 12th Marks Percentage
CBSE best-of-5 evaluator, stream presets, and CGPA to percentage.
Discount & Profit Margin
Single & double stacked discounts, reverse list pricing, and margin solver.
Chronological Age Clock
Live ticking seconds, milestone birthdays, and UPSC/SSC age cutoffs.
Civil Engineering Toolkits & CAD Suite→
Codified structural analysis, rebar bending schedules (SP 34), IS 456:2000 limit state design, Terzaghi soil bearing capacity, and regional Indian land unit conversions.
IS 456 RCC Beam Checker
Moment of resistance (Mu,lim), neutral axis (xu), and stirrup links.
Bar Bending Schedule (BBS)
Rebar cutting length, hook deductions (45°, 90°, 135°), and tonnage.
Multi-State Land Converter
Convert Bigha, Katha, Guntha, Ground, Acre, Hectare, and Sq. Ft.
RCC Column Axial Capacity
Factored load (Pu), slenderness check, and lateral tie reinforcement.
Isolated Pad Footing Design
Soil bearing capacity, one-way shear, two-way punching, and base mesh.
Concrete Mix Design
M20-M50 target strength, w/c ratio curves, and batch dry proportions.
CAD Blueprints & Books
Standardized architectural drafting manuals, reinforcement layouts, section cut conventions, and blueprint reading guides.
Architectural Gallery
From 2D wireframe elevations to 3D villa renderings. High-fidelity visual showcase of residential & structural models.
Services & Document Hub
Verified state portals (Banglarbhumi, SVMCM, Parivahan) combined with local smart PVC card cropping & passport studios.
100% Client Privacy
All structural calculations, mathematical solvers, and PDF image operations execute strictly in your local browser sandbox.