All Tools
Browse all 100 free calculators and tools.
Finance & Tax 23
EMI
Calculate your monthly EMI for home loan, car loan, or personal loan. See total interest paid and am…
SIP
Calculate mutual fund SIP returns with optional yearly step-up. See how your monthly investment grow…
GST
Calculate GST-inclusive or GST-exclusive price. Supports all Indian GST rates — 5%, 12%, 18%, and 28…
EPF
Calculate your EPF maturity amount with year-wise compounding. Uses current EPF interest rate with e…
Income Tax
Compare old vs new tax regime side by side. See taxable income, tax liability, and monthly in-hand s…
HRA
Calculate your HRA tax exemption using the min-of-three rule. Supports metro and non-metro cities.
Salary Slip
Convert CTC to in-hand salary with complete breakup — basic, HRA, PF, professional tax, gratuity, an…
FD
Calculate fixed deposit maturity amount and interest earned. Supports quarterly, monthly, and yearly…
RD
Calculate recurring deposit maturity amount and total interest earned with monthly deposits.
PPF
Calculate Public Provident Fund maturity with 15-year lock-in, extensions, and yearly compounding at…
NPS
Estimate your National Pension System corpus at retirement with Tier-1 contributions and expected re…
Gratuity
Calculate gratuity payout under the Payment of Gratuity Act. For employees with 5+ years of continuo…
TDS
Calculate TDS deduction on salary, interest, rent, and professional fees using current Indian rates.
Simple Interest
Calculate simple interest and total amount for any principal, rate, and time period.
Compound Interest
Calculate compound interest with multiple compounding frequencies — monthly, quarterly, half-yearly,…
CAGR
Calculate Compound Annual Growth Rate to measure investment performance over a period.
Inflation
Calculate the future value of money after inflation. See how purchasing power erodes over time.
SWP
Calculate how long your mutual fund corpus lasts with systematic monthly withdrawals. Plan your reti…
Lumpsum
Calculate returns on a one-time lumpsum investment in mutual funds with projected growth over time.
Loan Compare
Compare up to 3 loans side by side — EMI, total interest, and total cost to find the best deal.
Stamp Duty
Calculate stamp duty and registration charges for property purchase across major Indian states.
Home Loan Eligibility
Check your home loan eligibility based on salary, existing EMIs, and interest rate. Find the maximum…
Retirement Date
Calculate your retirement date and remaining service years based on date of birth and employment typ…
Health & Fitness 12
BMI
Calculate your Body Mass Index using Indian-population-adjusted cutoffs. WHO and Indian thresholds d…
BMR
Calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation. Know how many calories your …
TDEE
Calculate your Total Daily Energy Expenditure based on BMR and activity level. Plan your calorie int…
Body Fat
Estimate your body fat percentage using the US Navy method. Enter neck, waist, and hip measurements …
Ideal Weight
Find your ideal body weight using four proven formulas — Devine, Robinson, Miller, and Hamwi. Result…
Calorie
Calculate daily calorie intake based on your goal — lose weight, maintain, or gain muscle. Uses Miff…
Protein
Calculate your daily protein requirement based on body weight, activity level, and fitness goal. Ind…
Water
Calculate how much water you should drink daily based on body weight, climate, and activity level. A…
Heart Rate
Calculate your heart rate training zones using the Karvonen method. Enter your age and resting heart…
Due Date
Calculate your estimated due date (EDD) from your last menstrual period using Naegele's rule. See tr…
Macro
Calculate your daily macronutrient split — protein, carbs, and fat in grams. Choose from balanced, l…
Pace
Calculate running pace, speed, or finish time. Enter any two values to find the third. Supports km a…
Daily Utilities 11
Percentage
Calculate percentages instantly — find X% of Y, what percent X is of Y, or percentage change between…
Age
Calculate your exact age in years, months, and days from your date of birth. Also shows your zodiac …
Discount
Calculate the final price after discount and see how much you save. Supports percentage and flat dis…
Tip
Calculate tip amount and split the total bill among multiple people. Choose from preset tip percenta…
Fuel Cost
Calculate trip fuel cost based on distance, vehicle mileage, and fuel price. Compare costs between p…
Electricity
Estimate your monthly electricity bill based on units consumed and state-wise tariff slabs. Covers d…
Gold Price
Calculate gold value based on weight and purity. Enter today's gold rate to find the price of 24K, 2…
Bill Split
Split a bill among friends with equal or unequal shares. Add items per person and calculate who owes…
LPG
Calculate your LPG cylinder cost and subsidy amount under current Indian pricing. Compare subsidised…
Paint
Calculate how much paint you need for your walls. Enter room dimensions to find total wall area and …
Rainwater
Calculate rainwater harvesting potential from your roof area and local rainfall. Find the recommende…
Math 12
Average
Calculate mean, median, and mode from a set of numbers. Handles any size data set with step-by-step …
Proportion
Solve proportions using the Rule of Three. Enter three known values to find the fourth. Supports dir…
GCD/LCM
Find the Greatest Common Divisor and Least Common Multiple of two or more numbers using the Euclidea…
Fraction
Add, subtract, multiply, and divide fractions. Results shown as simplified fractions and decimal equ…
Square Root
Calculate square root, cube root, or any nth root of a number. Also find squares and powers with ste…
Std Dev
Calculate standard deviation, variance, mean, and range for a data set. Supports both population and…
nPr / nCr
Calculate permutations (nPr) and combinations (nCr) with factorial values. Useful for probability, s…
Ratio
Simplify ratios, compare ratios, and divide a quantity in a given ratio. Supports 2-part and 3-part …
Num→Words
Convert numbers to words in Indian numbering system — lakhs and crores. Also shows international for…
Scientific
Full-featured scientific calculator with trigonometry, logarithms, exponents, factorials, and consta…
Matrix
Perform matrix operations — addition, subtraction, multiplication, determinant, transpose, and inver…
Probability
Calculate probability of single events, combined events (AND/OR), and complementary probability. Inc…
Date & Time 10
Date Diff
Calculate the exact difference between two dates in years, months, days, weeks, and hours. Also show…
Time Zone
Convert time between world time zones with IST focus. See the equivalent time in any city or UTC off…
Work Days
Calculate the number of business/working days between two dates. Excludes weekends and optionally In…
Date Format
Format any date in Indian, ISO, US, European, and custom patterns. See the same date displayed in 10…
Day of Week
Find the day of the week for any date — past, present, or future. Also shows the week number and day…
Week No.
Find the ISO week number for any date. Also shows which week of the month it is and the start/end da…
Duration
Calculate the duration between two times in hours, minutes, and seconds. Supports overnight spans an…
Unix Time
Convert Unix timestamps to human-readable date/time and vice versa. Supports seconds and millisecond…
Countdown
Calculate the number of days, hours, and minutes remaining until a target date. Includes common Indi…
Age in Days
Calculate your exact age in days, hours, minutes, and seconds from your date of birth. See fun miles…
Business 12
Profit Margin
Calculate gross profit margin, net profit margin, and markup from cost and revenue. See profit amoun…
Break Even
Calculate the break-even point in units and revenue. Know how many units you need to sell to cover f…
ROI
Calculate Return on Investment percentage from initial investment and final value. See total gain an…
Markup
Calculate markup percentage from cost and selling price, or find selling price from cost and desired…
Depreciation
Calculate asset depreciation using Straight Line Method (SLM) and Written Down Value (WDV) method as…
Payback
Calculate how long it takes to recover an investment. Enter initial investment and annual cash flows…
Working Capital
Calculate working capital and current ratio from current assets and liabilities. Assess your busines…
Invoice
Calculate invoice totals with multiple line items, GST, discounts, and shipping. Get subtotal, tax b…
Cost/Unit
Calculate cost per unit from total fixed costs, variable costs, and production quantity. Find unit e…
Profit Split
Split partnership profits based on capital ratio, custom ratio, or equal shares. Supports 2-4 partne…
Commission
Calculate sales commission with flat rate or tiered/slab structure. Supports multiple commission tie…
Operating Margin
Calculate operating profit margin from revenue and operating expenses. Compare EBIT margin across pe…
Education 10
CGPA→%
Convert CGPA to percentage for CBSE, VTU, Anna University, Mumbai University, and other Indian board…
%→CGPA
Convert percentage to CGPA for CBSE, VTU, and other Indian boards. Reverse conversion with multiple …
GPA
Calculate your GPA on 4.0 or 10.0 scale. Enter subjects with grades and credit hours for weighted gr…
Grade
Calculate weighted grade average from assignments, exams, and projects. Enter category weights and s…
Marks %
Calculate percentage from marks obtained and total marks. Add multiple subjects to find aggregate pe…
Aggregate
Calculate aggregate percentage across multiple semesters or years. Enter marks/percentage for each s…
Scholarship
Check eligibility for common Indian scholarships based on marks, family income, category, and course…
Study Hours
Plan study hours per subject based on weightage, difficulty, and available time. Get a balanced stud…
College Fee
Calculate total college cost over the course duration with annual fee inflation. Plan the total inve…
Exam Score
Calculate the score you need on your final exam to reach your target overall grade. Enter current gr…
Converters 10
Temperature
Convert between Celsius, Fahrenheit, and Kelvin temperature scales instantly.
Length
Convert between metric, imperial, and Indian units of length — including gaj, hath, and angul.
Weight
Convert between kg, pounds, ounces, and Indian units like tola, masha, and ratti for gold measuremen…
Area
Convert between sq ft, sq m, acres, hectares, and Indian land units — bigha, gunta, cent, and kanal.
Volume
Convert between litres, gallons, millilitres, cups, and other volume units easily.
Speed
Convert between km/h, mph, m/s, knots, and other speed units.
Data Storage
Convert between bytes, KB, MB, GB, TB, and PB in both binary (1024) and decimal (1000) standards.
Number System
Convert between binary, octal, decimal, and hexadecimal number systems instantly.
Angle
Convert between degrees, radians, and gradians for trigonometry and engineering calculations.
Energy
Convert between joules, calories, kilowatt-hours, BTU, and other energy units.