Calculators
20 free online calculators — all browser-based, no signup, worldwide.
Age Calculator
Calculate exact age in years, months, days from birth date....
Open tool →BMI Calculator
Calculate Body Mass Index with WHO category indicators (underweight to obese)....
Open tool →Percentage Calculator
Calculate percentage in 5 different modes with formula explanations....
Open tool →EMI Calculator
Calculate loan EMI with flexible currency defaults and amortization....
Open tool →GST Calculator
Calculate GST inclusive/exclusive amounts with common GST/VAT tax rates (5%, 12%, 18%, 28%)....
Open tool →Loan Calculator
Calculate loan EMI, total interest, and principal breakdown with chart....
Open tool →Discount Calculator
Calculate sale price after discount and savings amount....
Open tool →Profit Margin Calculator
Calculate profit margin, markup, and selling price for business....
Open tool →Time Duration Calculator
Calculate hours/minutes between two times using time pickers....
Open tool →Date Difference Calculator
Calculate days, weeks, months between two dates with date pickers....
Open tool →Unit Converter
Universal unit converter for length, weight, volume, area....
Open tool →Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin temperature scales....
Open tool →Length Converter
Convert meters, feet, inches, kilometers, miles instantly....
Open tool →Weight Converter
Convert kg, pounds, ounces, grams, tonnes for cooking/shipping....
Open tool →Currency Converter (Live Rates)
Live currency converter with 30+ currencies using ECB exchange rates....
Open tool →Speed Converter
Convert km/h, mph, m/s, knots speed units instantly....
Open tool →Data Storage Converter
Convert bytes, KB, MB, GB, TB, PB digital storage units....
Open tool →Interest Calculator
Calculate simple and compound interest with breakdowns....
Open tool →Fuel Cost Calculator
Calculate fuel cost based on distance and mileage (km/L)....
Open tool →Tip Calculator
Calculate restaurant tip with bill split for groups....
Open tool →