Calculator Tools

Everyday calculators for finance, health, and dates.

Basic Calculator A simple on-screen calculator for everyday arithmetic. Open Tool
Scientific Calculator A calculator with trigonometric, logarithmic, and exponential functions. Open Tool
Percentage Calculator Calculate percentages, percentage change, and what percent one number is of another. Open Tool
Age Calculator Calculate exact age in years, months, and days from a birth date. Open Tool
BMI Calculator Calculate Body Mass Index from height and weight, in metric or imperial units. Open Tool
Loan / EMI Calculator Calculate monthly loan payments (EMI) from principal, interest rate, and term. Open Tool
Discount Calculator Calculate the sale price and savings from an original price and discount percentage. Open Tool
Sales Tax Calculator Calculate tax amount and total price from a price and tax rate you enter. Open Tool
Tip Calculator Calculate tip amount and per-person split for a restaurant bill. Open Tool
Date Calculator Find the number of days between two dates, or add/subtract days from a date. Open Tool
Time Calculator Add or subtract hours, minutes, and seconds, or find the duration between two times. Open Tool
GPA & CGPA Calculator Calculate your GPA or CGPA from your course grades and credit hours. Open Tool