Calculate tools

Basic Calculator Perform everyday arithmetic instantly - addition, subtraction, multiplication, and division - with a clean, easy-to-use online calculator. Scientific Calculator Solve advanced math problems with trigonometry, logarithms, exponents, and more. Perfect for students, engineers, and scientists. Percentage Calculator Find percentages, calculate discounts, percentage change, and more. A versatile tool for shopping, finance, and everyday math. Age Calculator Calculate your exact age in years, months, and days from your date of birth. Also shows the upcoming birthday countdown. Countdown Timer Count down to any upcoming event - weddings, exams, holidays, or product launches. Get days, hours, minutes, and seconds remaining. Fraction Calculator Add, subtract, multiply, and divide fractions with step-by-step solutions. Also simplifies fractions to their lowest form. Triangle Calculator Calculate the area, perimeter, angles, and sides of any triangle using Heron's formula, SSS, SAS, or ASA methods. Statistics Calculator Calculate mean, median, mode, range, variance, and standard deviation for any dataset. Ideal for students and data analysts. Standard Deviation Calculator Compute population or sample standard deviation and variance for any set of numbers. See step-by-step working. Average Calculator Calculate the arithmetic mean, weighted average, or median of a list of numbers. Simple and fast for any dataset. Ratio Calculator Simplify ratios, find missing values in proportions, and scale ratios up or down. Handy for recipes, maps, and finance. EMI Calculator Calculate your monthly EMI for home, car, or personal loans. Enter the loan amount, interest rate, and tenure to get an instant breakdown. GST Calculator Quickly add or remove GST from any amount. Supports all Indian GST slabs - 5%, 12%, 18%, and 28% - for businesses and consumers. SIP Calculator Estimate the future value of your monthly SIP investments. Plan your mutual fund wealth-building journey with projected returns. Mortgage Calculator Calculate monthly mortgage payments for your dream home. Includes principal, interest split, and a full amortization schedule. Loan Calculator Calculate monthly payments, total interest, and repayment schedule for any personal or business loan. Compare multiple loan options. Auto Loan Calculator Estimate your monthly car loan EMI with down payment, interest rate, and tenure options. Drive away knowing your exact costs. Payment Calculator Calculate fixed monthly payments for any loan or installment plan. Understand your total repayment amount before you commit. Simple Interest Calculator Calculate simple interest earned or paid on a principal amount. Enter the rate and time period to get instant results. Compound Interest Calculator See how compound interest grows your money over time. Compare annual, quarterly, and monthly compounding frequencies. FD Calculator Calculate the maturity amount and interest earned on your Fixed Deposit. Compare FD returns across tenures and interest rates. Lumpsum Calculator Find the future value of a one-time lump sum mutual fund investment at an expected annual return rate over a chosen period. Investment Calculator Project the future value of your investments with expected returns. Plan your financial goals and wealth-building strategy. Retirement Calculator Plan your retirement by estimating the corpus needed and monthly savings required. Factor in inflation and expected returns. Inflation Calculator Calculate how inflation erodes purchasing power over time. See what today's amount will be worth in the future at any inflation rate. Finance Calculator Solve time value of money problems - present value, future value, rate, and periods. A must-have tool for finance students and professionals. Income Tax Calculator Calculate your Indian income tax liability under the new and old tax regimes. Compare both to choose the best option for your income slab. Salary Calculator Convert your CTC to in-hand take-home salary. Understand PF, professional tax, and HRA deductions that affect your monthly pay. Interest Rate Calculator Reverse-calculate the interest rate on a loan from your EMI amount, principal, and tenure. Useful for comparing loan offers. Sales Tax Calculator Add or remove sales tax, VAT, or GST from any price. Supports custom tax rates for any country, state, or region. Amortization Calculator Generate a full loan amortization schedule showing every monthly payment broken down into principal and interest. Export as CSV. AdSense Revenue Calculator Estimate your Google AdSense earnings based on page views, CTR, and CPC. A handy tool for bloggers and content creators. YouTube Earnings Estimator Estimate how much a YouTube channel earns based on views, RPM, and niche. Useful for creators and brands evaluating sponsorships. BMI Calculator Calculate your Body Mass Index (BMI) to assess whether you are underweight, normal, overweight, or obese based on height and weight. Water Intake Find out how much water you should drink daily based on your weight, activity level, and climate. Stay hydrated and healthy. Calorie Estimator Estimate your daily calorie needs based on age, gender, weight, height, and activity level to support weight loss, gain, or maintenance. Body Fat Calculator Estimate your body fat percentage using the US Navy method. Enter your measurements to gauge your fitness level and health risk. BMR Calculator Calculate your Basal Metabolic Rate (BMR) - the number of calories your body burns at rest - using the Mifflin-St Jeor equation. Ideal Weight Calculator Find your ideal healthy body weight based on height and gender using the Devine and Robinson formulas recommended by health experts. Pace Calculator Calculate your running pace, speed, or finish time for any distance. Great for 5K, 10K, half-marathon, and marathon training. Pregnancy Calculator Track your pregnancy week by week. Find your current trimester, estimated due date, and key milestones from your last menstrual period. Conception Calculator Identify your most fertile days and ovulation window to plan or understand conception. Based on your menstrual cycle length. Due Date Calculator Calculate your estimated due date (EDD) from your last period or conception date. Includes a week-by-week pregnancy timeline. Protein Intake Calculator Find the right daily protein intake for your body weight and fitness goal - whether building muscle, losing fat, or staying healthy. Life Path Number Discover your numerology Life Path Number from your date of birth. Understand your personality traits, strengths, and destiny. Angel Number Calculator Enter any repeating number to reveal its angel number meaning. Understand spiritual messages behind 111, 222, 333, and more. Zodiac Love Compatibility Check love compatibility between two zodiac signs. Explore relationship strengths, challenges, and romantic potential by star sign. Date Duration Calculator Calculate the number of days, months, and years between any two dates. Includes business days and week count. Date Add / Subtract Add or subtract days, weeks, months, or years from any date. Perfect for planning deadlines and project schedules. Time Duration Calculator Calculate hours, minutes, and seconds between two times. Supports overnight shifts and break deductions. Week Number Calculator Find the ISO week number for any date or calculate which dates fall in a given week number. Sleep Calculator Find the best bedtime or wake-up time based on 90-minute sleep cycles for maximum alertness and restfulness. BAC Calculator Estimate your blood alcohol content (BAC) based on drinks consumed, body weight, gender, and time elapsed. For educational use only. Prime Number Checker Check if any number is prime, find prime factors, and list all primes up to 10,000 with the Sieve of Eratosthenes. LCM & GCD Calculator Find the Least Common Multiple (LCM) and Greatest Common Divisor (GCD) of two or more numbers instantly. Factorial Calculator Calculate the factorial (n!) of any number from 0 to 170 with exact BigInt precision and step-by-step expansion. Quadratic Equation Solver Solve quadratic equations (ax² + bx + c = 0) using the quadratic formula. Shows real and complex roots with steps. Tip Calculator Calculate tip amounts and split bills per person. Quick preset percentages for restaurants, bars, and services. Fuel Cost Calculator Estimate trip fuel costs based on distance, fuel efficiency, and local fuel price. Supports km/L, L/100km, and MPG. Electricity Bill Calculator Calculate monthly electricity costs based on appliance wattage, daily usage hours, and local rate per kWh. Pet Age Calculator Convert your dog or cat's age to human years. Accounts for pet size and breed category for accurate conversion. GPA Calculator Calculate your semester or cumulative GPA. Supports standard 4.0 and weighted scales with course-by-course entry.