Everyday Calculators

Calculate tip amount and total bill, with options to split between people.

Calculate sale price, savings amount, and discount percentage.

Calculate exact age in years, months, and days from a birth date.

Calculate the number of days, weeks, and months between two dates.

Calculate fuel economy in MPG or L/100km from distance and fuel used.

Calculate total fuel cost for a trip based on distance, fuel economy, and gas price.

Calculate your GPA from grades and credit hours.

Convert between cups, tablespoons, teaspoons, milliliters, ounces, and grams.

Convert time between world time zones with offset display.

Convert shoe sizes between US, UK, EU, and CM systems.

Calculate your weighted average grade and letter grade from assignments.

Estimate your monthly electricity bill from appliance wattage and usage.

Estimate the cost of moving based on distance, home size, and extras.

Calculate screen width, height, and PPI from diagonal size and aspect ratio.

Calculate file download time or required speed from file size and bandwidth.

Compare unit prices of two products to find the better deal.

Set a countdown alarm with sound alert and screen flash when time expires.

Set an alarm for a specific time and day with sound alert and screen flash.

Precision stopwatch with millisecond accuracy, lap time recording, and split time tracking.

Focus timer with customizable work and break intervals, auto-transitions, and sound alerts.

Read any text aloud with adjustable voice, speed, pitch, and volume using browser speech synthesis.

Convert temperatures between Celsius, Fahrenheit, and Kelvin scales instantly with formulas shown.

Convert length between mm, cm, m, km, inches, feet, yards, and miles instantly.

Convert weight between mg, g, kg, tonnes, ounces, pounds, and stone instantly.

Convert speed between m/s, km/h, mph, knots, and ft/s instantly.

Convert cups to mL, liters, fluid ounces, tablespoons, and teaspoons instantly.

Convert teaspoons to mL, cups, tablespoons, fluid ounces, and liters instantly.

Convert tablespoons to mL, cups, teaspoons, fluid ounces, and liters instantly.

Convert volume between cubic feet, cubic meters, cubic yards, liters, and gallons.

Translate text to Morse code and Morse code to text with audio playback of dots and dashes.

Track daily calorie intake by time of day. Log meals, view daily summaries, and browse history.

Split the bill evenly among friends with tip and tax included.

Plan your wedding budget with a detailed cost breakdown by category.

Plan your trip budget with daily and total cost estimates by category.

Estimate the true cost of owning a dog or cat with lifetime expense breakdowns.

Calculate electricity usage and cost for each appliance with monthly breakdowns.

Track all your subscriptions and see the total monthly and annual cost.

Generate citations in APA 7th, MLA 9th, and Chicago formats for books, journals, and websites.

Compare two texts for similarity using 3-gram Jaccard analysis.

Calculate the grade you need on your final exam to achieve your desired course grade.

Plan your college budget by calculating total costs, financial aid, and funding gaps.

Plan your weekly study schedule based on course credits and difficulty levels.