Calculators
Quickly calculate finances, sales discounts, GST, or age differences. Simple, beautiful interfaces with instant, real-time results. All converters and utilities process documents completely client-side. Your files never leave your computer.
Available Tools
Percentage Calculator
Free online percentage calculator. Calculate percentage of a number, find what percent X is of Y, and compute percentage increase or decrease instantly in your browser.
Age Calculator
Calculate your exact age in years, months, and days from your date of birth. Includes next birthday countdown and total days lived. Free, private, and browser-based.
EMI Calculator
Calculate monthly loan EMI payments, total interest cost, and view a detailed monthly amortization breakdown schedule for home, car, and personal loans.
GST Calculator
Calculate Goods and Services Tax (GST) amounts for 5%, 12%, 18%, and 28% tax slabs. Add or remove GST and view CGST and SGST splits free in your browser.
Discount Calculator
Calculate discount amounts, sale prices, and post-discount sales tax in seconds. See exactly how much money you save on shopping discounts. Free in your browser.
BMI Calculator
Calculate your Body Mass Index (BMI) and check your WHO weight category using your height and weight. Free, private, and instant in your browser.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) and estimated daily energy expenditure using the Mifflin-St Jeor formula. Free in your browser.
Body Fat Calculator
Estimate your body fat percentage using the US Navy tape-measure method with waist, neck, and hip circumferences. Free in your browser.
Scientific Calculator
Perform advanced math with trigonometric functions, logarithms, roots, and powers. Free, browser-based scientific calculator with zero data collection.
Binary Calculator
Add, subtract, multiply, and divide binary numbers with instant base-2 math arithmetic. Free, private, and browser-based binary calculator.
Binary to Decimal
Convert binary numbers to decimal integers with step-by-step positional notation values. Free, instant, and browser-based base conversion.
Decimal to Binary
Convert decimal integers to binary numbers using successive division and positional weights. Free, instant, and private browser-based tool.
Hex to Decimal
Convert hexadecimal strings to decimal integers instantly. Supports letters A-F with positional base-16 calculations. Free in your browser.
Decimal to Hex
Convert decimal numbers to hexadecimal notation with standard A-F character mappings. Free, fast, and private browser-based converter.
GPA Calculator
Calculate your college semester GPA on the standard 4.0 scale. Weight your letter grades by credit hours and track total quality points. Free in your browser.
Date Calculator
Add or subtract days from any calendar date to calculate future deadlines or past dates. Free and instant in your browser.
Age Countdown
Track a live countdown timer showing days, hours, minutes, and seconds remaining until your next birthday. Free in your browser.
Mortgage Calculator
Calculate monthly principal and interest payments, down payment impact, and yearly amortization schedules for your home loan. Free in your browser.
Unit Converter
Convert units across length, weight, area, volume, temperature, speed, and time. Free, client-side metric and imperial unit converter.
Length Converter
Convert length and distance between meters, feet, inches, centimeters, kilometers, and miles. Free, instant, and private browser-based tool.
Weight Converter
Convert weight and mass between kilograms, pounds, grams, ounces, and stones. Free, client-side unit converter with instant calculations.
Area Converter
Convert land and room area between square meters, square feet, acres, hectares, and square yards. Free, accurate, and private browser tool.
Volume Converter
Convert liquid volume and capacity between liters, gallons, milliliters, cups, pints, and quarts. Free, instant browser-based converter.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin with standard scientific formulas. Free, client-side, and instant in your browser.
Speed Converter
Convert speed and velocity between miles per hour (mph), km/h, meters per second, and knots. Free, instant, and private browser-based tool.
Time Converter
Convert time durations between seconds, minutes, hours, days, weeks, and years. Free, private, and instant browser-based converter.
Loan Calculator
Calculate monthly loan payments, interest payable, and total loan schedules client-side. Compare two loans side-by-side and view a detailed amortization breakdown.
SIP Calculator
Calculate future mutual fund SIP returns, total wealth accumulation, and annual step-up growth with milestone projections. Free and private in your browser.
SWP Calculator
Calculate monthly cash payouts, remaining corpus value, and capital longevity for Systematic Withdrawal Plans (SWP). Free, private, and instant in your browser.
Lumpsum Calculator
Calculate future returns, wealth multipliers, and maturity values for one-time lumpsum mutual fund investments. Free, private, and instant in your browser.
CAGR Calculator
Calculate Compound Annual Growth Rate (CAGR), absolute returns, and projected future investment values. Compare multiple growth scenarios free in your browser.
Goal SIP Calculator
Determine the exact monthly SIP investment required to reach your target savings goal. Accounts for annual step-ups and existing savings. Free in your browser.
Retirement Calculator
Calculate your required retirement nest egg, inflation-adjusted monthly expenses, and monthly SIP contributions needed to retire comfortably. Free in your browser.
Income Tax Calculator
Calculate and compare your income tax under the New and Old Tax Regimes for FY 2025-26 (AY 2026-27). Includes Section 87A rebate, standard deduction, and cess.
PPF Calculator
Calculate interest and maturity values for your Public Provident Fund (PPF) account. View year-by-year balance schedules and 15-year growth free in your browser.
EPF Calculator
Calculate EPF employee and employer contributions, EPS pension allocations, annual interest, and retirement corpus at age 58. Free in your browser.
Gratuity Calculator
Calculate gratuity payout under the Payment of Gratuity Act using the 15/26 formula. Compare covered vs non-covered employees and statutory caps in your browser.
NPS Calculator
Calculate your National Pension System (NPS) retirement corpus, lump-sum withdrawal, annuity allocation, and monthly pension payouts free in your browser.
Compound Interest Calculator
Calculate compound interest and investment growth with annual, quarterly, monthly, or daily compounding. View full year-by-year balance tables. Free in your browser.
Interest Calculator
Calculate and compare simple and compound interest side-by-side. Analyze annual, quarterly, and monthly compounding schedules. Free, private, and instant in your browser.
Profit Margin Calculator
Calculate gross profit and profit margin percentage from item cost and selling price. Compare margin vs markup instantly and free in your browser.
Markup Calculator
Calculate markup percentage from item cost and selling price. Understand the difference between markup and profit margin free in your browser.
Simple Interest Calculator
Calculate simple interest and total maturity value with the PRT formula. View year-by-year linear interest growth tables. Free, private, and instant in your browser.
ROI Calculator
Calculate return on investment (ROI) percentage and total profit from initial cost and net returns. Evaluate business and marketing projects free in your browser.
Break-Even Calculator
Calculate the break-even point in units and sales revenue from fixed costs, variable costs, and selling price. Plan business targets free in your browser.
Salary Converter
Convert gross annual salary into monthly, biweekly, weekly, and hourly pay based on a standard 2,080-hour work year. Free in your browser.
Calorie Calculator
Estimate your daily maintenance calories, Total Daily Energy Expenditure (TDEE), and calorie deficit targets. Free in your browser.
Tip Calculator
Calculate tip amount and total restaurant bill from subtotal and tip percentage. Free, private, and instant in your browser.
VAT & Tax Calculator
Calculate Value Added Tax (VAT) amount and gross price from net value and tax rate. Add custom VAT percentages instantly and free in your browser.
Running Pace Calculator
Calculate your running pace per kilometer and average running speed from distance and completion time. Free in your browser.
Ideal Weight Calculator
Estimate your ideal body weight using the Devine formula and compare with the WHO healthy BMI reference range. Free in your browser.
Fuel Cost Calculator
Estimate road trip fuel consumption and total fuel cost from travel distance, vehicle efficiency, and fuel price. Free in your browser.
Working Days Calculator
Calculate the number of working days and weekdays between two calendar dates, excluding Saturdays and Sundays. Free in your browser.
Time Zone Converter
Convert time between your local clock, Universal Coordinated Time (UTC), EST, PST, and IST. Free in your browser.
FD / RD Calculator
Calculate maturity values and interest returns for Fixed Deposits (FD) and Recurring Deposits (RD) with quarterly compounding. Free in your browser.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Includes total workdays and weekend counts. Free and instant in your browser.
Inflation Calculator
Calculate estimated future costs and purchasing power erosion over time based on an assumed inflation rate. View Rule of 72 doubling times free in your browser.