- Percentage Calculator What is X% of Y, X is what percent of Y, and more.
- Tip Calculator Tip and total for any bill, split between any number of people.
- GPA Calculator Your GPA from grades and credits, weighted or unweighted.
- Age Calculator Your exact age in years, months and days, plus your next birthday.
- Final Grade Calculator The score you need on your final exam to get the grade you want.
- Add or Subtract Days Calculator The date a number of days, weeks, months or years from any date, or in business days with federal holidays skipped.
- Average Calculator Mean, median, mode and range of a list of numbers, or a weighted average.
- Centimeters to Inches Converter Centimeters to inches and inches to centimeters, with feet and inches and a chart of common sizes.
- Cumulative GPA Calculator Your new cumulative GPA, and the GPA you need this term to reach a goal.
- Days Between Dates Calculator How many days, weeks and weekdays there are between two dates.
- Days Until Calculator How many days, weeks and weekdays from today until any date.
- Fahrenheit to Celsius Converter Fahrenheit to Celsius, Celsius to Fahrenheit and kelvin, with charts of common temperatures.
- Feet to Meters Converter Feet and inches to meters and meters to feet, with a height chart.
- Fraction Calculator Add, subtract, multiply, divide and simplify fractions and mixed numbers, with the steps.
- Fuel Cost Calculator The gas cost of a trip from distance, MPG and price per gallon, one way or round trip, split between people.
- Gas Mileage Calculator Miles per gallon (MPG) from miles and gallons, with L/100 km and km/L.
- Grade Calculator Your grade so far from scores or weighted categories, with the letter grade.
- Kilograms to Pounds Converter Kilograms to pounds and pounds to kilograms, with pounds and ounces and a chart of common weights.
- Military Time Converter Convert 12-hour AM/PM time to military (24-hour) time and back, with a full chart.
- MPH to km/h Converter Miles per hour to kilometers per hour and back, with a chart of common road speeds.
- Percent Change Calculator Percent increase or decrease from an old number to a new one.
- Percent Difference Calculator How different two numbers are, as a percent of their average.
- Percent Off Calculator Sale price and savings from a discount, including stacked discounts.
- Ratio Calculator Simplify a ratio or find the missing number in a proportion.
- Time Calculator Add or subtract hours, minutes and seconds, or find the time between two clock times, even across midnight.
- Time Card Calculator Add up the hours worked in a week from in and out times, with breaks.
- Time to Decimal Calculator Turn hours and minutes into decimal hours for a timesheet, and back.
- Unit Converter Convert length, weight, volume, area and temperature between US and metric units, with NIST's exact factors.
- Weighted Grade Calculator Your grade from weighted categories, and what you need on the rest.
