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Everyday Calculators

Age, date, time, GPA, tip and other practical calculators for everyday tasks.

100 calculatorsTime, dates, grades & daily tools

Most popular

Age CalculatorCalculate your exact age in years, months and days from your date of birth.Days Between DatesCalculate the exact number of days, weeks and months between two dates.GPA CalculatorCalculate your grade point average from letter grades and credit hours.Tip CalculatorCalculate the tip amount and total bill, split evenly among any number of people.

All calculators

Add or Subtract Days CalculatorAdd or subtract days, weeks or months from a date.
Day of the Week CalculatorFind out what day of the week any date falls on.
Day of the Year CounterFind which day number of the year a given date is, and how many days remain.
Countdown CalculatorCount down the days, hours and minutes to any future date and time.
Time Duration CalculatorCalculate the duration between two times of day.
Time Zone ConverterConvert a time from one UTC offset to another.
Work Hours CalculatorCalculate total hours worked from clock-in and clock-out times, minus breaks.
Overtime Pay CalculatorCalculate total pay including overtime for hours worked beyond a standard week.
Weekly Time Card CalculatorTotal up hours worked across a 5-day work week from daily clock in/out times.
Final Grade CalculatorCalculate the score you need on your final exam to reach your target grade.
Grade CalculatorCalculate your test or assignment grade as a percentage and letter grade.
Bill Split CalculatorSplit a restaurant bill evenly among a group, including tax and tip.
Discount CalculatorCalculate the sale price and savings after applying a percentage discount.
Unit Price CalculatorCompare two package sizes to find which gives you a better price per unit.
Fuel Cost CalculatorCalculate the fuel cost for a trip based on distance, fuel economy and gas price.
Gas Mileage / MPG CalculatorCalculate your vehicle's fuel efficiency in miles per gallon.
Trip Cost CalculatorEstimate total fuel cost for a road trip.
Speed, Distance & Time CalculatorSolve for speed, distance or time given the other two values.
Password GeneratorGenerate a strong, random password with customizable length and character sets.
Random Name PickerPick a random name from a list - great for raffles, team assignments and giveaways.
Dice RollerRoll any number of virtual dice with any number of sides.
Coin Flip SimulatorFlip one or more virtual coins and see the results.
Lottery Odds CalculatorCalculate your odds of winning a lottery based on the number pool and picks.
Word & Character CounterCount the words, characters and sentences in any text.
Reading Time CalculatorEstimate how long it will take to read a piece of text out loud or silently.
Text Case ConverterConvert text to uppercase, lowercase, title case or sentence case.
Roman Numeral ConverterConvert between numbers and Roman numerals.
Leap Year CheckerCheck whether a given year is a leap year.
Shoe Size ConverterConvert shoe sizes between US, UK and EU sizing.
Zodiac Sign CalculatorFind your Western zodiac sign from your date of birth.
Pace ConverterConvert running pace between minutes per mile and minutes per kilometer.
Number to Words ConverterConvert a number into its written English words form.
Business Days CalculatorCount the number of business days (weekdays) between two dates.
Add Business Days CalculatorFind the date that falls a given number of business days from a start date.
Dice Probability CalculatorCalculate the probability of rolling a specific total with multiple dice.
Random Team GeneratorSplit a list of names into randomly balanced teams.
Text to URL Slug ConverterConvert any text into a clean, URL-friendly slug.
Acronym GeneratorGenerate an acronym from the first letters of a phrase.
Lorem Ipsum GeneratorGenerate placeholder Lorem Ipsum text for mockups and designs.
Julian Date CalculatorConvert a calendar date to its Julian Day Number.
Week Number CalculatorFind the ISO week number for any date.
Moon Phase CalculatorEstimate the moon phase for any date using Conway's Moon Phase algorithm.
Hex, RGB & HSL Color ConverterConvert a color between HEX, RGB and HSL formats.
Random Color GeneratorGenerate a random color in HEX, RGB and HSL formats.
Anagram CheckerCheck whether two words or phrases are anagrams of each other.
Palindrome CheckerCheck whether a word or phrase reads the same forwards and backwards.
Unix Timestamp ConverterConvert between a Unix timestamp and a human-readable date.
Percentage of Year Elapsed CalculatorSee what percentage of the current year, month, or week has already passed.
Password Strength CheckerEstimate how long a password would take to crack based on its length and character variety.
Birthday Paradox CalculatorCalculate the probability that at least two people in a group share the same birthday.
Coin Flip Streak Probability CalculatorCalculate the probability of flipping a specific number of consecutive heads or tails in a row.
Random Number GeneratorGenerate a random whole number within a chosen range.
Syllable CounterEstimate the number of syllables in a word or block of text.
Next Major US Holiday CountdownFind out how many days remain until the next major US holiday.
Birthstone FinderFind the traditional birthstone associated with any birth month.
Caesar Cipher Encoder/DecoderEncode or decode text using a Caesar cipher (letter-shift substitution).
Base64 Encoder/DecoderEncode text to Base64 or decode a Base64 string back to plain text.
URL Encoder/DecoderEncode special characters in a URL or decode a percent-encoded URL back to readable text.
Morse Code TranslatorTranslate text to Morse code or Morse code back to text.
Text to Binary ConverterConvert text to its binary (ASCII) representation, or decode binary back to text.
Writing Goal Pace CalculatorCalculate how many words per day you need to write to hit a word count goal by a target date.
Days in a Month CalculatorFind the exact number of days in any given month and year, correctly accounting for leap years.
Workday Hours Remaining CalculatorCalculate how many hours are left in your workday based on the current time and your end-of-day time.
Parking Cost CalculatorCalculate the total cost of parking based on an hourly rate and duration, with a daily maximum cap.
Movie Marathon Runtime CalculatorAdd up the total runtime of a list of movies or shows for planning a watch marathon.
Your Age on Other Planets CalculatorFind out how old you would be if measured in another planet's orbital year.
Itemized Bill SplitterSplit a restaurant or group bill by assigning specific item costs to each person, plus a shared tax and tip.
Carpool Cost Split CalculatorSplit the fuel cost of a carpool trip evenly among riders.
Group Gift Contribution CalculatorCalculate how much each person should contribute toward a group gift.
Word Frequency CounterFind the most frequently used words in a block of text.
Character Limit CheckerCheck your text's character count against common social media and messaging platform limits.
Clock Angle CalculatorCalculate the angle between the hour and minute hands of a clock at any given time.
Stopwatch Lap Time Average CalculatorCalculate the average, fastest, and slowest lap from a set of recorded lap times.
Raffle Ticket Odds CalculatorCalculate your odds of winning a raffle based on how many tickets you hold and the total tickets sold.
Playing Card Draw Probability CalculatorCalculate the probability of drawing a specific card or type of card from a standard 52-card deck.
Dice Sum Probability CalculatorCalculate the probability of rolling a specific sum with two or more six-sided dice.
Rock Paper Scissors Odds CalculatorCalculate the probability of winning, losing, or tying a round of Rock Paper Scissors.
Secret Santa Pairing GeneratorRandomly assign Secret Santa gift-giving pairs from a list of participants, with no one assigned to themselves.
Lottery Number GeneratorGenerate a set of random, unique lottery numbers within your chosen range.
Vowel and Consonant CounterCount the number of vowels, consonants, and other characters in a block of text.
Dice Pool Success Probability CalculatorCalculate the probability of rolling at least a certain number of successes with a pool of dice, a mechanic common in tabletop games.
Heat Index CalculatorCalculate the heat index ("feels like" temperature) from air temperature and relative humidity.
Wind Chill CalculatorCalculate the wind chill ("feels like" temperature) from air temperature and wind speed.
Dew Point CalculatorCalculate the dew point temperature from air temperature and relative humidity.
Specific Weekday Count Between DatesCount how many times a specific day of the week (like every Saturday) occurs between two dates.
Weekdays in a Month CalculatorCount the number of weekdays (Monday-Friday) in a given month.
Flight Arrival Time CalculatorCalculate a flight's local arrival time given departure time, flight duration, and the time zone difference.
Layover Time CalculatorCheck whether a layover between connecting flights leaves enough time to make your connection.
Luggage Weight Limit CheckerCheck whether your packed luggage weight is within common airline checked baggage limits, and estimate overweight fees.
Vacation Days Remaining CalculatorTrack how many paid vacation days you have left for the year based on your allotment and days already used.
Barometric Pressure to Altitude CalculatorEstimate altitude above sea level from a barometric pressure reading.
Beaufort Wind Scale FinderFind the Beaufort scale force number and description for a given wind speed.
Average Word Length CalculatorCalculate the average number of letters per word in a block of text.
Letter Frequency CounterCount how often each letter of the alphabet appears in a block of text.
Dice Roll Expected Value CalculatorCalculate the expected (average long-run) value of rolling a set of dice.
Stacked Discount CalculatorCalculate the final price after applying two or three discounts one after another (not added together).

About Everyday Calculators

The small, practical calculations that come up in daily life - how many days until something, what a fair tip is, your exact GPA - rarely deserve a full app or a spreadsheet. This is a fast, no-friction home for exactly those tools.

Related reading

How Reading Time Estimates Are Actually CalculatedThat 'X min read' tag on articles isn't a guess — it's based on average reading speed research. Here's the actual formula.Why Word Count Still Matters for Essays, Articles and SEOWord count is more than an arbitrary rule — it signals depth for readers, search engines, and instructors alike. Here's how it's actually measured.How Percentage Scores Convert to Letter GradesGrading scales vary by school, but the standard U.S. conversion follows a consistent pattern. Here's how percentage maps to letter grade.