17 curated tools for engineers - IS-standard concrete mix, beam deflection, wire sizing, Ohm's law, unit converters and project finance calculators.
Calculate voltage, current, resistance or power using Ohm's Law. Enter any two values and instantly get the other two. Supports V, A, Ohm and W with unit multipliers.
Open ToolCalculate electricity consumption (kWh) and monthly bill for your home or office. Add appliances with wattage and hours per day to get daily units, monthly units, bill estimate and required MCB rating.
Open ToolCalculate cement bags, sand and aggregate quantities for M15, M20, M25 and M30 concrete grades using IS 10262 nominal mix method. Enter volume in cubic metres and get full material requirements.
Open ToolCalculate maximum deflection and bending moment for simply supported and cantilever beams under UDL or point load. Checks deflection against IS 456 permissible limits (L/250, L/350).
Open ToolFind the right cable cross-section (mm2) for any electrical load. Enter current, material (copper/aluminium) and installation method to get IS 694 based recommendations with derating factors.
Open ToolConvert between mm, cm, m, km, inches, feet, yards, miles and nautical miles - all units shown instantly.
Open ToolConvert sq ft, sq m, acre, hectare, ground, cent, bigha, kanal, marla and 5 more area units.
Open ToolConvert between mg, g, kg, quintal, tonne, lb, oz and stone - all results shown at once.
Open ToolConvert Pascal, bar, psi, atm, mmHg, kPa, MPa, torr, inHg and mbar instantly.
Open ToolConvert joule, kilojoule, calorie, kcal, Wh, kWh, BTU, eV and erg - all at once.
Open ToolConvert watt, kilowatt, megawatt, horsepower (metric & electric) and BTU/hr.
Open ToolConvert between mL, litre, gallon (US/UK), cup, tablespoon, teaspoon, fl oz, quart and pint.
Open ToolInstantly convert between Celsius, Fahrenheit and Kelvin with exact formula output.
Open ToolFull scientific functions - sin, cos, log, powers, roots, π and more. Respects BODMAS with a proper expression evaluator.
Open ToolThree modes in one: find X% of a number, find what % one value is of another, or calculate % increase or decrease.
Open ToolCalculate property stamp duty and registration charges for 14 major Indian states with female buyer concessions.
Open ToolCalculate monthly EMI, total interest and full amortisation schedule for any loan with reducing-balance formula.
Open ToolGST calculator, invoice generator, TDS, income tax, salary and compliance tools for Indian accountants.
BrowseJSON, Base64, hash, UUID, regex, diff, image tools, SEO generators and more for web developers.
BrowseBMI, BMR, calorie, body fat, pregnancy, ovulation and other clinical calculators for healthcare professionals.
BrowseArea converters, stamp duty, home loan EMI, Vastu compliance and land-unit converters for property professionals.
BrowseNumerology charts, compatibility, gemstone finder, Vastu and festival date tools for practising astrologers.
BrowseColor picker, gradient generator, border-radius, box-shadow, SVG blob, glassmorphism, CSS grid, font pairing, image tools and more for designers.
BrowseStudy timer, timetable, GPA planner, attendance, rank predictor, MCQ generator, notes formatter and more for students.
BrowseMCQ generator, question paper builder, grade calculator, marksheet, attendance sheet, lesson planner, rubric and timetable tools for educators.
BrowseHashtag generator, caption generator, YouTube title, script timer, word counter, readability checker, image tools and more for influencers and YouTubers.
BrowseInventory calculator, expense tracker, budget planner, UPI QR, invoice generator, GST calculator, payroll and profit margin tools for shop owners and SMEs.
BrowseSIP, FD, PPF, NPS, capital gains, CAGR, mutual fund, gold rate, inflation and retirement calculators for traders and investors.
BrowseBudget planner, countdown timer, currency converter, city distance, QR code, invoice, date calculator and image tools for event planners.
BrowseCurrency converter, world clock, city distance, dial codes, unit converters, age calculator, gold rate and QR generator for travel agents.
BrowseLimitation period calculator, court fee estimator, legal notice generator, NDA, privacy policy, GSTIN/PAN validator and financial tools for Indian lawyers.
BrowseIndia produces over 1.5 million engineering graduates annually, making it one of the largest engineering workforces in the world. From civil and structural engineers working on infrastructure projects under PMGSY and Smart Cities Mission to electrical engineers designing industrial installations per Bureau of Indian Standards (BIS) codes, accurate calculation tools are indispensable on the job. This collection brings together the most commonly needed engineering calculators built around Indian standards such as IS 456, IS 10262, and IS 694.
Civil engineers in India routinely calculate concrete mix proportions per IS 10262:2019 and beam deflections under IS 456:2000, the code governing reinforced cement concrete design. Stamp duty calculations are essential for property registrations across states - rates vary from 3% in Maharashtra to 7% in Karnataka. EMI calculators help project managers and procurement officers plan equipment finance, while unit converters bridge the gap between SI and legacy measurement systems still used in older drawings and contracts.
Ohm's law calculators, electrical load estimators, and wire gauge tools (based on IS 694 standards for PVC insulated cables) support electricians and electrical engineers in designing safe residential and industrial wiring. GATE and ESE exam aspirants preparing for quantitative electrical problems also benefit from quick calculation tools that verify manual working. All calculators on this platform are free, browser-based, and require no installation or login.