Everyday Calculators
The small calculations of daily life, done in seconds. Split a bill fairly, check a sale discount, count your exact age, or work out a road trip's fuel cost — no spreadsheet required.
Age Calculator
Your exact age in years, months and days — plus total days, hours and minutes lived.
Open toolPercentage Calculator
What is X% of Y, percentage change and more — the everyday percent answers.
Open toolTip Calculator
Tip and total per person, split fairly for any bill and group size.
Open toolDiscount Calculator
The price you'll actually pay after a percentage discount — plus what you save.
Open toolSplit Bill Calculator
Divide a bill evenly, or by shares, including tax and tip.
Open toolSales Tax Calculator
Add sales tax to a price, or back the tax out of a total.
Open toolFuel Cost Calculator
Trip fuel cost from distance, vehicle efficiency and gas price.
Open toolRandom Number Generator
Random numbers in any range — for draws, games and decisions.
Open toolList Randomizer
Shuffle any list into a random order — pick winners fairly.
Open toolGold Calculator
The value of gold by weight and karat at a per-gram price you set.
Open toolScrap Gold Calculator
What your scrap gold is worth by weight, karat and purity.
Open toolTime Calculator
Add or subtract hours, minutes and seconds — with the answer in h:m:s, decimal hours and totals.
Open toolLove Calculator
A for-fun compatibility score from two names — the same names always earn the same score.
Open toolDays Until Calculator
Exactly how many days until — or since — any date, with the weekday and quick holiday presets.
Open toolDice Roller
Roll up to six dice of any kind (d4 to d100) with a running history — plus a coin flip with tallies.
Open toolZodiac Sign Calculator
Your zodiac sign, element and dates from your birthday, with the full twelve-sign table.
Open toolTime Card Calculator
A weekly timesheet: clock-ins, clock-outs and breaks turned into total hours and gross pay.
Open toolNumber to Words Converter
Write any number out in words — plus a check-style mode for dollars and cents.
Open toolElectricity Cost Calculator
What an appliance costs to run per day, month and year from watts, hours and your electricity rate.
Open toolScreen Size Calculator
The real width and height of a TV or monitor from its diagonal and aspect ratio.
Open toolTire Size Calculator
Decode a tire size like 225/65R17 — diameter, sidewall, circumference — and compare two sizes.
Open toolPTO Calculator
Project your paid-time-off balance from accrual rate, current balance and planned time off.
Open toolRaise Calculator
Your pay after a raise percentage — or the percentage you need to reach a target salary.
Open toolSmall questions, exact answers
These are the tools for the questions life asks every week: How old am I, exactly? What is the tip on this bill? How do we split this fairly? Is that sale price really 40% off? Each one is built to answer in seconds, with the working shown so you can check it on the spot.
The Age Calculator goes far beyond years — total days, weeks, hours and minutes lived, plus your next-birthday countdown. Splitting dinner is handled by the Split Bill Calculator with tax and tip divided by shares, and if you are selling jewellery, the Gold Calculator and Scrap Gold Calculator show melt value by weight and karat before a buyer names a price.
Adding up shifts, recipes or travel legs is easier with the Time Calculator, which adds and subtracts hours, minutes and seconds without the base-60 headaches. Counting down to something good? The Days Until Calculator gives the exact days to any date, with one-tap Christmas and New Year presets. And purely for fun, the Love Calculator turns two names into a compatibility score — the same names always get the same score, and the page explains exactly how it is generated — the Dice Roller rolls any dice from d4 to d100 (and flips a coin), and the Zodiac Sign Calculator reads your sign and element from your birthday.
Work and home get their own helpers: the Time Card Calculator totals a week of shifts and breaks into hours and gross pay, the PTO Calculator projects your time-off balance, and the Raise Calculator shows pay after a raise — or the raise a target salary needs. Around the house, the Electricity Cost Calculator prices any appliance per day, month and year, the Screen Size Calculator turns a TV diagonal into real width and height, and the Tire Size Calculator decodes tire codes and compares two sizes. Writing a check? The Number to Words Converter spells amounts out in words, check-style included.