All tools
Every calculator, word tool and game on the site, grouped by category. Search or browse to find the one you need.
74 tools in 11 categories
This page lists every tool on the site in one place. The categories appear in alphabetical order, and the tools inside each category are sorted alphabetically as well. The search box checks each word you type against a tool's name, its short summary and the terms of the subject it covers. A word from the topic can therefore find a tool even when its name does not contain it. Every word typed has to match, while capital letters and accents are ignored. Each tool page names the sources behind its figures or rules and shows the date they were last checked. That way you can see where a result comes from before you rely on it.
Automotive
Trip fuel and charging costs, real consumption, child car seat rules, stopping distances, new driver probation and winter tyre rules abroad.
- Child car seat checkerIn Great Britain a child needs a car seat until 12 years of age or 135 cm in height, whichever comes first, on the front and the back seats.
- Fuel cost calculatorWork out what a UK car journey costs in petrol, diesel or electricity from miles, economy and price, split it between passengers, or measure your real mpg.
- New driver probation checkerEnter a first test pass date and any offences to see when UK new driver probation ends, whether the points revoke the licence, and NI R plate dates.
- Stopping distance calculatorThinking, braking and overall stopping distance at any speed in mph, by the Highway Code diagram or physics, on dry, wet or icy roads, in metres and feet.
- Winter tyre laws in EuropeCheck whether tyres, chains or snow socks meet the winter rules of France, Austria, Germany, Italy, Switzerland and ten more countries on a given date.
Business
Paperwork, staff and cash rules: how long to keep each record, when fixed-term contracts become permanent and how much may be paid in cash.
- Cash payment limit checker for the UK and EUNo UK law caps cash payments, but a firm taking £10,000 or more in cash for goods must register with HMRC. EU traders face a €10,000 cap from 10 July 2027.
- Fixed-term contract checkerFour years of continuous employment on renewed fixed-term contracts can make you permanent. Enter your contracts to find the date and the gaps.
- How long to keep records in the UKNo law makes a private person keep bank or credit card statements, though 6 years is generally the limitation period for a debt in the UK.
Cooking and food
Oven settings converted, oven recipes turned into air fryer times, boiled egg times worked out, and party food quantities planned per person.
- Air fryer conversionConvert an oven recipe for an air fryer from °C, fan, gas mark or °F: temperature, time and the halfway turn, with the makers' rule shown and the way back.
- Boiled egg time calculatorBoiling times for UK egg sizes, quail, duck or any weight: soft, jammy or hard, from fridge or room temperature, cold start or altitude, with a countdown.
- Oven temperature converterConvert oven settings between gas mark, conventional °C, fan °C and Fahrenheit for UK recipes, with an adjustable fan offset and a full gas mark table.
- Party food calculatorHow much food to buy for a barbecue, finger buffet or Christmas dinner, with children as half portions, appetite, extra on top and a shopping list to copy.
Date and time
Faulty goods deadlines, the earliest date to apply for citizenship, how long a speech takes, a countdown to holidays and name days in seven calendars.
- Consumer Rights Act time limits checkerEnter the delivery date to see when the 30 day right to reject ends, how long a fault is presumed present, and the last day for a claim.
- Days until Christmas and every UK dateCount the days, sleeps, weeks and working days to Christmas, Easter, half term, bank holidays, results days or a date of your own, with a live clock.
- ILR and British citizenship calculatorILR needs 5 years with at most 180 days abroad in any 12 months on most routes. Enter your trips to date your ILR and British citizenship applications.
- Name day finderLook up a first name's name day: George 23 April, Michael 29 September. England's Catholic calendar, plus Polish, Italian and four more.
- Speech time calculatorA 3 minute speech is about 420 words, and 1,000 words take 7 minutes and 9 seconds at 140 words a minute. Tables run from 30 seconds to an hour.
Family
Family matters worked out for your case: the surnames UK law allows a newborn, and how much money guests usually give as a wedding gift.
- Baby surname checkerSee which surnames a baby can be registered with in England and Wales, Scotland or Northern Ireland, who gives the name and how a later change works.
- How much to give as a wedding giftHow much cash to give at a UK wedding by relationship, as a couple, an evening guest or best man, with whose figure each amount is and the tax allowance.
Finance
Loans, VAT, savings, home buying costs, bond gains, foreign dividends, pension tax relief and tipping abroad, from official rates and named, dated sources.
- Cost of buying a house calculatorStamp Duty Land Tax, LBTT or LTT, the Land Registry fee and your own quotes, added up for a home in England, Scotland, Wales or Northern Ireland.
- Foreign dividend tax calculatorUK tax on overseas dividends: foreign withholding, Foreign Tax Credit Relief, the dividend allowance and what to reclaim abroad, for 16 countries.
- Loan calculatorWork out the monthly repayment on a UK personal loan, the total amount payable and the APR once fees are counted, with a year-by-year repayment schedule.
- Pension tax relief calculatorPension tax relief for 2026 to 2027: 20% added at source, 40% or 45% in all at higher and additional rates, with Scotland and salary sacrifice.
- Savings interest calculatorProject a UK savings balance with monthly payments, then see the income tax on the interest after the Personal Savings Allowance and the 2027 rate rise.
- Tipping guide by countryThe usual tip for meals, bars, taxis, hairdressers, porters, housekeeping and guides in 41 destinations, in local money, with each source named.
- Top slicing relief calculatorWork out the chargeable event gain on a UK or offshore investment bond, the tax on it and the top slicing relief, for 2026-27 and the 2027-28 rates.
- UK VAT calculatorAdd UK VAT to a net price or take it out of a gross one at 20%, 5% or 0%, and see why removing VAT is not the same as knocking 20% off.
Games and chance
Lotto odds, flag and map quizzes, country picker, click, reaction and Stroop tests, colour games, dots and boxes, Tower of Hanoi, party games, padel.
- Binary puzzle: zeros and onesNo three alike in a line, as many 0s as 1s in each row and column, no two lines the same. Daily puzzles from 6 × 6 to 14 × 14, hints and a solver.
- Christmas dice gameRoll for wrapped presents on one phone: a six takes from the pile, then a hidden clock runs the round of swaps and steals. Edit and share the house rules.
- Click speed testCount how fast you click with a mouse, a touch screen or the keyboard over 1 to 100 seconds, with the gaps between presses and a sourced rating.
- Colour memory gameA colour shows for a few seconds, then hides. Rebuild it from memory with hue, saturation and brightness sliders, for up to 10 points a colour.
- Dots and boxesDraw lines, close boxes and play again: dots and boxes against a computer at three levels or a friend on one phone, on boards from 2 by 2 to 8 by 8 boxes.
- Flag identifierDescribe the colours, stripes, cross or symbols you saw and see which of the 195 countries the flag belongs to, with close matches and look-alikes.
- Flag quizA country flag quiz with all 195 UN states: pick from 4 names, type the country or find its flag, by region, alone or with up to 4 players.
- Hot potato: the pass-the-phone word gameHot potato on one phone: say a word that fits, pass it on before a hidden countdown explodes. Categories, letters, potatoes on a scoreboard, no music.
- Lotto wheel calculatorLines, total cost and winning lines for a full wheel of your numbers on Lotto, Thunderball, EuroMillions, Set For Life and Powerball, with odds per tier.
- Love calculatorTest two names with the playground LOVES count, TRUE LOVE or FLAMES and see every row of the adding. Same names, same result, and nothing is stored.
- Padel scoreboardKeep padel score on one phone: golden point, Star Point, tie-breaks, who serves from which side and when to change ends. Free, with no app or account.
- Random country generatorSpin a wheel, draw up to 50 countries at once or share them out to a group, from all 195 UN states, one region or the EU. Names stay private.
- Reaction time testUnder 250 ms is a fast average here; 30,747 people on a web test had a median of 304 ms. Four modes: red to green, start lights, go/no-go and sound.
- Spot the different colour gameFind the odd tile in a grid of matching colours. The grid grows and the shade gap, measured in ΔE, shrinks as you go. Play on the clock or with lives.
- Stroop test onlineName the ink of colour words in a clashing colour. Three timed parts give your Stroop interference in milliseconds, with a challenge and print cards.
- Tower of Hanoi gameThe fewest moves are 2^n - 1: 7 for 3 discs, 31 for 5, 1,023 for 10. Play 3 to 10 discs with hints, a solver and the move list.
- UK counties map quizFind England's 48 ceremonial counties and the council areas of Scotland, Wales and Northern Ireland on a map: tap, pick from 4 or type.
- Who am I? The forehead guessing gameThe forehead guessing game on one phone: 10 British decks, tilt or tap to score, a round timer, teams, your own words and printable cards.
- Who is most likely to gameRead a question, count to three and point: 8 British decks, a secret vote, a couple's shoe game and a printable list, all on one phone.
- Would you rather game484 family-friendly dilemmas in 10 decks: play alone, by a show of hands or by passing one phone, add your own and print the list.
Home and garden
Garden rules between neighbours, a ruler at real size, a compass with true north and a spirit level that reads slopes in degrees and percent.
- High hedge calculatorWork out the action hedge height a UK council starts from on a hedge complaint, and check the rules on overhanging branches, TPOs and conservation areas.
- Online compassA compass in the phone's browser for the UK: magnetic or true north, a bearing to follow, and the declination and grid magnetic angle for OS maps.
- Online rulerAn actual size ruler for any screen: calibrate once with a bank card, a UK coin or the screen size, then measure in cm, mm and inches, or print one.
- Spirit level onlineA bubble level, edge level and inclinometer for phones, in the browser. Slopes in degrees, %, mm/m or 1 in n, with UK limits such as 1:12 (4.76°).
School
Tools for the classroom: a noise meter with a traffic light against a quiet limit, and story dice to roll for telling and writing stories.
- Classroom noise meterA noise light for lessons: green, amber or red against a limit set for each activity, in estimated dB(A), with calibration and a teacher's daily exposure.
- Story dice onlineRoll up to 9 picture dice and tell a story that uses every picture. Keep or re-roll a dice, take turns with a timer and print cube nets.
Tax and salary
Take-home pay, bonus and side hustle tax, holiday pay on leaving, New Style JSA, State Pension age and rises, bereavement payments and energy-saving VAT.
- Bereavement Support Payment calculatorWork out Bereavement Support Payment after a partner dies, what a late claim costs, and what a widow or widower can inherit from a spouse's State Pension.
- Bonus tax calculator UKWork out what PAYE takes from a bonus in the month it is paid: Income Tax, National Insurance and student loan, plus the tax it really adds over the year.
- Holiday pay calculatorWork out the holiday pay owed when you leave a UK job: days accrued in the leave year, a day's pay, and the payment after tax and National Insurance.
- New Style JSA calculatorNew Style JSA is £95.55 a week at 25 or over and £75.65 under 25 in 2026 to 2027, paid for up to 182 days; part-time pay and pensions can reduce it.
- Salary calculatorSee your UK take-home pay for 2026/27 after Income Tax, National Insurance, pension and student loan, from a yearly, monthly, weekly or hourly wage.
- Side hustle tax calculatorCheck side income against the £1,000 trading allowance for 2026 to 2027: room left, the Self Assessment deadline, and tax and Class 4 on the profit.
- State Pension age calculatorFind the date you reach UK State Pension age from your date of birth, when a private pension can be drawn, and an estimate of your qualifying years.
- State Pension increase calculatorThe new weekly State Pension from 12 April 2027 under the triple lock, the rise over a year, and the income tax it brings as the allowance stays frozen.
- VAT on energy-saving materialsVAT on solar panels, heat pumps, batteries and insulation fitted in a UK home: 0% until 31 March 2027, 5% after, plus the Boiler Upgrade Scheme.
Word games
Wordle help, unscrambler, daily puzzles, letter grid, word groups, riddles (emoji too), proverbs, stop the bus, scores, noun genders and a vocabulary test.
- Emoji quizGuess films, songs, sayings and places from rows of emoji: ten new riddles a day, practice by topic, forgiving answers, printable sheets and a quiz maker.
- Finish the proverb quizFinish English proverbs by typing the ending or picking it from four, then read what each means. Ten new proverbs a day, theme practice, printable sheets.
- Noun gender checkerSee if a Spanish, French, German, Italian, Dutch or Polish noun is masculine, feminine or neuter, with its articles, its plural and the ending rule.
- Riddles with answers230 riddles and answers for kids and adults: tap to reveal each answer and why it works, plus a riddle of the day, quiz rounds and printable sheets.
- Stop the bus: random letter, timer and answersA random letter with no repeats, a round timer and answers for that letter in every column: name, place, animal, thing and more. Plus a score sheet.
- Ten Tangle: daily word scrambleUnscramble ten words against the clock in a free puzzle that is the same for everyone each day, with unlimited play, an archive and streaks.
- Vocabulary size testFind out how many words of a 50,000-word English list you know: tick the real ones among made-up words for an estimate with a likely range.
- Word game score keeperScore a move typed or laid on a board, with premium squares, crossing words, blanks and the 50-point bonus, and keep a classic or duplicate score sheet.
- Word grid gameFind words in a 4x4 letter grid against the clock: one free daily grid for everyone, fresh grids to share with friends and a solver for your own board.
- Word grouping gameSixteen words, four hidden links: a new British board every day, an archive, practice boards, hints and a maker for your own boards. Free.
- Word unscramblerThe words you can make from these letters appear by length as you type, with ? for a blank: LISTEN makes 119, from SILENT and TINSEL down to two letters.
- Wordle solverEnter your Wordle guesses, tap each tile green, yellow or grey, and see every word that still fits, with Scrabble points and a suggested next guess.
More categories are in preparation: Conversion, Health and fitness, and Maths.