Everyday calculators

Tips, splitting bills, fuel costs, GPA, and daily practical tools.

Calculate tip amount and total bill, with an optional split between people.

Convert annual salary to hourly, weekly, and monthly pay, or work backwards from an hourly wage.

Divide a bill evenly, with optional tax and tip included in the total.

Estimate trip fuel cost from distance, efficiency, and fuel price.

Calculate a weighted GPA from letter grades and credit hours on a 4.0 scale.