Calculators
20 free online calculators including Age Calculator, BMI Calculator, Percentage Calculator, EMI Calculator, GST Calculator, and more. 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 ->Why use these Calculators?
These calculator tools help with everyday financial, tax, loan, percentage, health, travel, and conversion tasks without spreadsheets or signup flows.
Popular use cases
- Checking GST, EMI, loan, and percentage values quickly
- Estimating budgets, pricing, and currency conversions
- Using exact form or planning numbers without manual formulas
Best tools to start with
Start with the tools above if you want quick wins in this category, then explore the full list for more specific workflows.
Quick questions about Calculators
Are calculator results good for planning?
Yes. They are useful for quick planning, estimates, and comparisons.
Should I double-check official financial decisions?
For large payments, taxes, or contracts, it is still smart to verify with your final source or advisor.
Which calculators are most useful for businesses?
GST Calculator, EMI Calculator, Currency Converter, and Loan Calculator are common favorites.