Calculators
Free browser-based calculators for everyday calculations. Everything runs on your device — your input is never uploaded to our servers.
Age Calculator
Calculate your exact age in years, months and days from your date of birth.
Open Tool →EMI Calculator
Calculate your monthly loan EMI, total interest and total payment amount.
Open Tool →FD Calculator
Calculate Fixed Deposit maturity amount and total interest earned.
Open Tool →RD Calculator
Calculate Recurring Deposit maturity value and total interest earned.
Open Tool →GST Calculator
Add or remove GST from an amount, with a CGST/SGST breakdown.
Open Tool →Percentage Calculator
Find a percentage of a number, a ratio between two numbers, or a percentage change.
Open Tool →Discount Calculator
Find the sale price after a discount, or the discount percentage between two prices.
Open Tool →BMI Calculator
Calculate your Body Mass Index, weight category and healthy weight range.
Open Tool →Distance Calculator
Calculate the distance between two GPS coordinates in km, miles and nautical miles.
Open Tool →Why use Toolbeel's calculators?
Financial and health calculators often ask for numbers you'd rather not send to a server — loan amounts, deposit values, body measurements. Every calculator on this page runs the underlying formula directly in your browser with JavaScript, so your figures stay on your device and results update instantly as you type.
Choosing the right calculator
- Loans and savings? EMI Calculator for monthly loan payments, FD Calculator for Fixed Deposit maturity, and RD Calculator for Recurring Deposit maturity.
- Pricing and tax? GST Calculator adds or removes GST with a CGST/SGST split, and Discount Calculator works out sale prices or discount percentages.
- Quick math? Percentage Calculator handles percentages, ratios and percentage change in one place.
- Personal stats? Age Calculator gives your exact age from a date of birth, and BMI Calculator works out Body Mass Index and a healthy weight range.
- Location math? Distance Calculator finds the great-circle distance between two GPS coordinates.
Frequently Asked Questions
Is my financial data sent to a server?
No. Every calculator on this page runs the math directly in your browser with JavaScript. Amounts, dates and other inputs you enter are never transmitted or stored.
Are the calculation results accurate?
Each calculator uses the standard formula for its category — for example the reducing-balance formula for EMI, or compound interest for FD and RD. Results are for planning purposes; always confirm exact figures with your bank or financial institution.
Which calculator should I use?
Use EMI, FD or RD calculators for loan and deposit planning, GST or Discount calculators for pricing, Percentage for quick ratio and change calculations, Age for exact date-of-birth math, BMI for a health check, and Distance for the great-circle distance between two coordinates.