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Popular Calculators
Most searched calculators used by millions every month
Age Calculator
Calculate exact age from date of birth
Percentage Calculator
Calculate percentages instantly
Tip Calculator
Split bill and tip by number of people
Discount Calculator
Final price and savings after any discount %
Currency Converter
Live exchange rates — convert between 30+ currencies instantly
Mean Median Mode
Enter numbers and get mean, median, mode, range, and variance
CGPA Calculator
Convert CGPA to percentage and calculate CGPA from subject grades
Grade Calculator
Calculate overall grade and marks needed to reach your target
Attendance Calculator
Check if you meet 75% requirement and how many classes you can miss
Land Measurement Converter
Convert between acres, hectares, bigha, katha, guntha, cent, ground, marla, kanal
UPSC Marks Predictor
Prelims + Mains (7 papers) + Interview → total score and rank range
JEE Main Rank Predictor
Score → percentile → estimated rank → eligible NITs and IIITs
NEET Score Calculator
+4/−1 marking for Physics, Chemistry, Botany, Zoology — score and rank
CAT Percentile Calculator
VARC + DILR + QA → sectional and overall percentile → IIM shortlist
CBSE Percentage Calculator
Class 10/12 percentage (best of 5), CGPA conversion, and grade
Scholarship Eligibility Checker
Check NSP scholarships — Post-Matric, Merit, Minority, PM YASASVI
Length Converter
Convert mm, cm, m, km, inch, feet, yard, mile, nautical mile
Weight Converter
Convert mg, g, kg, pound, ounce, stone, ton, metric ton
Temperature Converter
Convert Celsius, Fahrenheit, Kelvin with common references
Area Converter
Convert sq m, sq ft, acre, hectare, bigha, gaj and more
Data Storage Converter
Convert bytes, KB, MB, GB, TB, PB — both 1000 and 1024 based
Currency Converter (Live)
Live exchange rates for 50 currencies via Frankfurter API
Roman Numeral Converter
Convert numbers to Roman numerals and back — with rules explanation
Color Converter
HEX ↔ RGB ↔ HSL ↔ CMYK with color preview swatch
Timezone Converter
Convert time between 40 major timezones — see current time globally
Shoe Size Converter
US, UK, EU, CM, India — men's and women's shoe sizes
Date Difference Calculator
Days, weeks, months, years between two dates — business days too
Countdown Calculator
Live countdown to any target date — days, hours, minutes, seconds
Work Hours Calculator
Calculate total hours, overtime, and weekly projection from shift times
Sunrise Sunset Calculator
Sunrise, sunset, daylight hours, and golden hour for major cities
Scientific Calculator
sin, cos, tan, log, ln, sqrt, factorial, pi, e — memory functions
Statistics Calculator
Mean, median, mode, variance, std dev, quartiles, skewness, kurtosis
Trigonometry Calculator
Solve right and general triangles from sides/angles — all trig values
Equation Solver
Solve linear, quadratic (ax²+bx+c=0), and cubic equations with steps
Fraction Calculator
Add, subtract, multiply, divide fractions — simplify, convert to decimal
Recipe Scaler
Scale any recipe from original to target servings instantly
Cooking Measurement Converter
Cups, tbsp, tsp to ml/grams — with density for common ingredients
Tip & Split Calculator
Bill + tip split evenly or by individual amounts among any number of people
Moving Cost Calculator
Estimated packer-movers cost for 1BHK-4BHK across India
Age Calculator
1.2M/mo
Percentage Calculator
2M/mo
Unit Converter
1M/mo
Tip Calculator
200K/mo
Discount Calculator
300K/mo
Fuel Cost Calculator
200K/mo
Currency Converter
5M/mo
Mean Median Mode
2M/mo
Standard Deviation Calculator
1.5M/mo
Quadratic Equation Solver
1.2M/mo
CGPA Calculator
3M/mo
Grade Calculator
1.5M/mo
Attendance Calculator
1.5M/mo
GPA Calculator
1M/mo
Percentage to Marks
1M/mo
PIN Code Finder
2M/mo
Vehicle Registration Info
2M/mo
Land Measurement Converter
800K/mo
Soil Health Card Analyser
250K/mo
UPSC Marks Predictor
800K/mo
JEE Main Rank Predictor
1M/mo
NEET Score Calculator
900K/mo
SSC Cut-off Calculator
600K/mo
CAT Percentile Calculator
500K/mo
GATE Score Calculator
400K/mo
CBSE Percentage Calculator
1.2M/mo
Scholarship Eligibility Checker
500K/mo
RTI Fee Calculator
250K/mo
Consumer Forum Filing Fee
300K/mo
Length Converter
800K/mo
Weight Converter
700K/mo
Temperature Converter
1M/mo
Speed Converter
400K/mo
Area Converter
500K/mo
Volume Converter
400K/mo
Data Storage Converter
600K/mo
Pressure Converter
250K/mo
Energy Converter
300K/mo
Time Converter
500K/mo
Power Converter
200K/mo
Frequency Converter
200K/mo
Fuel Efficiency Converter
300K/mo
Angle Converter
200K/mo
Currency Converter (Live)
3M/mo
Number Base Converter
400K/mo
Roman Numeral Converter
500K/mo
Color Converter
600K/mo
Timezone Converter
800K/mo
Shoe Size Converter
700K/mo
Date Difference Calculator
1.5M/mo
Day of Week Calculator
400K/mo
Countdown Calculator
600K/mo
Work Hours Calculator
500K/mo
Age in Days Calculator
300K/mo
Leap Year Checker
400K/mo
Week Number Calculator
300K/mo
Sunrise Sunset Calculator
500K/mo
Scientific Calculator
2M/mo
Matrix Calculator
600K/mo
Statistics Calculator
800K/mo
Probability Calculator
500K/mo
Physics Calculator
600K/mo
Chemistry Calculator
400K/mo
Trigonometry Calculator
700K/mo
Equation Solver
800K/mo
Fraction Calculator
1M/mo
Prime Number Checker
600K/mo
Recipe Scaler
400K/mo
Cooking Measurement Converter
500K/mo
Baking Substitution Calculator
300K/mo
Tip & Split Calculator
500K/mo
Moving Cost Calculator
400K/mo
Why CalcCrack?
Built for people who need quick, reliable answers
Instant Results
Results update as you type — no submit button needed
AI Answer Engine
Ask any India finance question in plain English or Hindi
RBI Live Rates
Sourced from RBI, CBIC, EPFO — updated monthly, cited
8 Languages
Hindi, Tamil, Telugu, Marathi, Bengali, Kannada, Gujarati, Punjabi
Weekly Indian rate update
RBI repo, top FD rates, tax deadlines. Free. No spam.
India's Most Comprehensive Free Finance Calculator Platform
CalcCrack is India's finance copilot — 65+ calculators with real RBI repo rates, CBIC GST rules, and EPFO contribution data, updated monthly and cited. From EMI and SIP to income tax (new regime FY 2026-27), PPF, NPS, HRA exemption, capital gains, gratuity, and retirement planning — every calculator uses actual Indian rates, not global defaults. Available in 8 Indian languages: Hindi, Tamil, Telugu, Marathi, Bengali, Kannada, Gujarati, and Punjabi.
Beyond calculators: use our AI Answer Engine to ask any India finance question in plain language. Compare products on our Best-of pages with real provider data. Read 100+ in-depth guides on tax planning, SIP strategies, and loan optimization. Check live rates from RBI, top banks, and government schemes on one page.
CalcCrack also serves specialized verticals: 10 medical calculators (BMI, eGFR, CHADS2, Wells PE), 10 construction calculators (concrete mix, rebar spacing, paint coverage per IS codes), and country-specific tools for UAE, UK, and Singapore. For developers: our MCP server lets any AI agent call CalcCrack as a tool, and our public API powers third-party integrations.