What's New

Project what your current college savings plan may cover and estimate any funding gap.

Calculate the monthly or annual contribution needed to meet a college savings goal.

Calculate the exam score needed for a target grade or project a final course grade.

Project a final course grade from the current grade, final exam weight, and expected exam score.

Calculate semester and cumulative GPA from letter or numeric grades and course credits.

Calculate an overall course grade using points or weighted categories.

Calculate the score needed on a final exam to reach a desired course grade.

Estimate student-loan payments, total interest, payoff timing, or an affordable loan amount.

This calculator allows you to calculate how many tiles you need to cover a simple rectangular area. Works both in metric and imperial units. Works for both rectangular and square tiles.

Convert colors between Hex, RGB, HSL, HSV, and CMYK, and view complementary and inverted colors.

Currency calculator allows you to convert between currencies. Exchange between dollars, pounds, euro, yen, yuan, and many more.

The Length Adding calculator allows you to add feet and inches.

Use this fractions calculator for fraction and decimal arithmetic with a running calculation tape.

Graph explicit functions of x with a simple responsive graphing calculator.

This calculator lets you calculate your estimated lease payments.

Easily calculate the payments and interest amount on a loan based on the principal amount, annual interest and the number of payments with the free Loan calculator.

Are you in love and want to know if it could be a good match? Calculate your chances of a successful relationship based on your first names with the free Love calculator!

The Mortgage Payment Calculator allows you to calculate monthly payments, average monthly interest, total interest, and total payment.

The percentage calculator allows you to find out what the amount, the percentage, the percent amount, the percent increase or the percent decrease is, if you know any of the two.

Use this standard tape calculator for everyday arithmetic with a running calculation tape.

The temperature calculator allows you to convert temperature degrees between Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Newton, Réaumur and Rømer. Enter a value in any field to see the other values.

Convert length, area, volume, speed, pressure, energy, power, time, and weight or mass units using curated unit choices.