Free Online Calculators for Finance, Health, Vehicles , Education & Developer
Instantly calculate loan EMIs, BMI, mileage, GPA, and more with our free, accurate, and easy-to-use online calculators — no signup required.
100+
Calculators
8
Categories
100%
Free
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Available
Utility Calculators(8)
Track day-to-day timeline milestones cleanly. Compute precise durations between dates, track exact chronological age indexes, and run personal record calculations.
Age Calculator
Calculate your exact age instantly from your date of birth. Find your age in years, months, weeks, days, hours, minutes, and seconds using our free online Age Calculator.
Date Calculator
Calculate the exact difference between two dates in years, months, weeks, days, hours, and minutes. Use our free Date Calculator for date duration, countdowns, and date interval calculations.
Unit Converter
Convert length, weight, temperature, area, volume, speed, time, and data storage units instantly.
Password Generator
Generate strong, secure, and random passwords instantly. Create passwords with uppercase letters, lowercase letters, numbers, and special characters for better online security.
Random Number Generator
Generate random numbers instantly between any minimum and maximum range. Perfect for games, giveaways, lotteries, statistics, and decision making.
QR Code Generator
Generate QR codes instantly for URLs, text, phone numbers, emails, WiFi credentials, and more. Create and download QR codes for free.
Health Calculators(16)
Monitor your vital body composition and biometric baselines. Calculate exact BMI scores, track healthy prenatal gestational weight gain curves, and map peak ovulation windows.
BMI Calculator
Calculate your Body Mass Index (BMI) instantly using your height and weight. Determine whether you are underweight, normal weight, overweight, or obese with our free BMI Calculator.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor Equation. Estimate the number of calories your body burns at rest and determine your daily calorie requirements based on activity level.
Calorie Calculator
Calculate your daily calorie needs for weight maintenance, weight loss, or weight gain based on your age, gender, height, weight, and activity level.
Body Fat Calculator
Calculate your body fat percentage using the U.S. Navy Method. Estimate body fat levels for men and women and determine your body fat category instantly.
Ideal Body Weight Calculator
Calculate your ideal body weight based on height and gender using widely accepted health formulas. Determine a healthy target weight range for fitness, nutrition, and weight management goals.
Water Intake Calculator
Calculate your recommended daily water intake based on body weight, activity level, and lifestyle. Stay hydrated and support overall health with personalized hydration recommendations.
Math Calculators(14)
Solve advanced linear algebra grids and equation systems effortlessly. Run matrices additions, dot-product multiplications, matrix inversions, and scalar determinants.
Percentage Calculator
Calculate percentages, increases, decreases, and percentage values instantly.
Fraction Calculator
Calculate fractions instantly. Add, subtract, multiply, divide, simplify fractions, convert fractions to decimals, and solve mixed fraction problems online.
Mean Median Mode Calculator
Calculate mean, median, and mode instantly from a set of numbers. Use our free Mean Median Mode Calculator to analyze data, statistics, averages, and distributions quickly and accurately.
Ratio Calculator
Calculate, simplify, compare, and solve ratios instantly. Use our free Ratio Calculator to find equivalent ratios, ratio values, proportions, and ratio relationships quickly and accurately.
Standard Deviation Calculator
Calculate standard deviation, variance, mean, and data spread instantly. Use our free Standard Deviation Calculator for statistics, research, education, and data analysis.
Probability Calculator
Calculate probability, odds, event likelihood, and chance percentages instantly. Use our free Probability Calculator for statistics, mathematics, education, and exam preparation.
Finance Calculators(18)
Simplify your financial planning with accurate tools for calculating loan EMIs, mutual fund compound interest, wealth accumulation, and annual tax returns under latest regimes.
GST Calculator
Calculate GST amount and total price instantly using different GST rates.
EMI Calculator
Calculate monthly EMI, total interest payable, and total loan repayment amount instantly. Plan home loans, car loans, and personal loans with accurate amortization breakdowns.
SIP Calculator
Calculate SIP returns, total investment, estimated wealth gained, and future maturity value instantly. Plan your mutual fund investments and long-term wealth creation with highly accurate compounding projections.
FD Calculator
Calculate Fixed Deposit maturity amount, interest earned, and total returns instantly.
Simple Interest Calculator
Calculate simple interest, interest earned, and total maturity amount instantly.
Discount Calculator
Calculate discount amount, final price, and total savings instantly.
Vehicle Calculators(2)
Optimize your real-world transit economics. Instantly calculate car or bike mileage, trip fuel expenses, alternative CNG parameters, and daily vehicle running costs.
Mileage Calculator
Calculate car mileage, bike mileage, fuel efficiency, fuel consumption, fuel cost per kilometer, and vehicle running costs instantly. Measure real-world mileage for petrol, diesel, CNG, and other vehicles with highly accurate results.
Fuel Cost Calculator
Calculate daily, monthly, yearly fuel expenses and cost per kilometre for petrol, diesel, and CNG vehicles.
Education Calculators(9)
Access free, high-precision education calculation tools engineered to streamline your daily workflows, computations, and analytical planning rules.
GPA Calculator
Calculate GPA, percentage, total marks, and grade instantly using our free online GPA Calculator.
Attendance Calculator
Calculate your attendance percentage, find how many classes you need to attend to reach a target percentage, and see how many classes you can miss while maintaining required attendance.
CGPA Calculator
Calculate your CGPA (Cumulative Grade Point Average) and convert it into percentage instantly. Add grades and credits for multiple subjects to get accurate results.
Average Calculator
Calculate the average (mean) of a set of numbers instantly. Find the average, sum, count, minimum value, and maximum value with our free online average calculator.
Scientific Calculator
Free online Scientific Calculator (Sci Calculator / SC Calculator) for advanced mathematical calculations including trigonometry, logarithms, powers, roots, factorials, exponents, and engineering calculations.
Final Grade Calculator
Calculate the score you need on your final exam to achieve your desired course grade. Quickly determine required marks using your current grade, final exam weight, and target grade.
Fun Calculators(4)
Access free, high-precision fun calculation tools engineered to streamline your daily workflows, computations, and analytical planning rules.
Love Calculator
Check love compatibility between two people using their names. Discover your love percentage, relationship match score, and compatibility level instantly with our fun and shareable Love Calculator.
Friendship Calculator
Check friendship compatibility between two people using their names. Discover your friendship percentage, bond strength, and compatibility level instantly with our free Friendship Calculator.
Crush Calculator
Check your crush compatibility percentage using names. Discover your crush match score, relationship potential, and compatibility level instantly with our free Crush Calculator.
Lucky Number Calculator
Calculate your lucky number using your date of birth. Discover your numerology number, personality traits, strengths, and life path insights instantly with our free Lucky Number Calculator.
Construction Calculators(4)
Plan structural raw material logistics with industrial precision. Calculate total brick counts, mortar volumes, concrete mixing frameworks, and structural masonry budgets.
House Construction Cost Calculator
Estimate house construction cost in India based on area, construction quality, location, number of floors, and interior requirements. Calculate material costs, labour expenses, and total building budget instantly.
Brick Calculator
Calculate the exact number of bricks, volume of mortar, bags of cement, and sand required for walls, rooms, and multi-story structures. Get instant material estimations for red clay, fly ash, and AAC blocks.
Cement Calculator
Calculate cement bags required for slabs, foundations, columns, beams, floors, and construction projects. Estimate cement quantity, weight, and cost instantly.
Concrete Calculator
Calculate concrete volume, cement bags, sand quantity, aggregate quantity, and material costs for slabs, foundations, columns, beams, and construction projects.
Developer Tools Calculators(8)
Accelerate your programming workflow. Validate or minify raw JSON syntax logs, generate secure random UUID v4 strings, and encode percent-escaped URLs safely.
JSON Formatter
Fix, format, beautify, validate, and minify JSON data instantly with one click. Free online JSON Formatter and JSON Beautifier for developers.
UUID Generator
Generate UUID v4 identifiers instantly. Create single or multiple unique UUIDs for development, databases, APIs, testing, and distributed architecture.
Base64 Encoder Decoder
Encode text or binary data to Base64 strings and decode Base64 back to its original format instantly. Free, secure, client-side online developer utility.
URL Encoder Decoder
Encode and decode URLs instantly. Convert special characters into percent-encoded, URL-safe formats or parse encoded strings back into human-readable text.
JWT Decoder
Decode JWT tokens online and view header, payload, expiration time, issued time, and token details instantly.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes instantly. Free online Hash Generator for developers, cybersecurity professionals, students, and IT administrators.
Calculator Categories
Browse calculators by category and find the right tool for your needs.
Finance
18 Calculators
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Health
16 Calculators
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Math
14 Calculators
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Utility
8 Calculators
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Education
9 Calculators
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Fun
4 Calculators
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Construction
4 Calculators
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Developer Tools
8 Calculators
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