Calculators
Percentage, discount, GST, VAT, EMI, BMI, age, area, binary and scientific calculators plus a universal unit converter — instant and accurate.
Percentage Calculator
Calculate what X% of a number is, what percent one number is of another, and percentage increase or decrease between two values — instantly and free.
Discount Calculator
Work out the final sale price and money saved from any discount percentage, including stacked double discounts like an extra 10% off an already reduced price.
GST Calculator
Add GST to a net amount or extract GST from an inclusive price. Preset 5%, 12%, 18% and 28% slabs plus custom rates, with net, tax and gross shown instantly.
VAT Calculator
Add VAT to a net price or extract VAT from a gross amount. Preset 5%, 10%, 20% and 23% rates plus custom, showing net, VAT and gross values instantly.
EMI Calculator
Calculate your monthly EMI for home, car or personal loans from loan amount, interest rate and tenure — with total interest and a full amortization schedule.
BMI Calculator
Calculate your Body Mass Index from height and weight in metric (cm/kg) or imperial (ft-in/lbs) units and see your WHO category with a color-coded badge.
Age Calculator
Find your exact age in years, months and days from your date of birth, plus totals in weeks, days and hours and a countdown to your next birthday.
Binary Calculator
Do arithmetic and bitwise math on binary, decimal, hex and octal numbers — add, subtract, multiply, divide, AND, OR, XOR and shifts, with results in all bases.
Scientific Calculator
Free online scientific calculator with sin, cos, tan in degrees or radians, log, ln, powers, roots, π, e, parentheses, memory keys and keyboard support.
Unit Converter
Convert between units of length, weight, temperature, area, volume, speed, time and data storage instantly, with a swap button and common conversion tables.
Area Calculator
Calculate the area of a rectangle, triangle, circle, trapezoid or ellipse from simple measurements, with the formula shown and results in m², ft² and more.