145 tools

Everyday

Tips, discounts, splitting bills, cooking measures, travel and the small calculations that come up every week.

EverydayTip CalculatorTip amount, total bill and the share per person, all at once.
EverydayRandom PickerPicks one or several entries at random from a list you paste in, with a seed you can publish.
EverydayUnit Price ComparisonCompare two package sizes by price per 1000 units of quantity.
EverydayFeet and Inches to CentimetresConvert a height in feet and inches to centimetres, or back again.
EverydayCooking Measurement ConverterConvert cooking volumes into grams and ounces for common ingredients.
EverydayCoin FlipFlips one coin or a thousand, with the count of heads and tails and the longest run.
EverydayDice RollerRolls any number of dice with any number of sides, with a modifier, total, highest and lowest.
EverydayLottery Number GeneratorDraws a line of lottery numbers for any format, and shows how many combinations exist.
EverydayRandom WheelSpins a list and gives you a winner, a runner-up and the full running order.
EverydaySplit the Bill CalculatorEqual share per person, with a rounded-up amount and the small surplus it creates.
EverydayShoe Size ConverterEuropean, UK, US and Mondopoint shoe sizes from the length of the foot in centimetres.
EverydayTeam GeneratorSplits a list of names into balanced teams at random, with the seed recorded.
EverydayFancy Text Generator (Bold, Italic and Script Unicode Letters)Write your text in bold, italic, script, gothic, double-struck or monospace Unicode letters that you can paste where formatting is not allowed, such as Instagram, LinkedIn or X.
EverydayOven Temperature ConverterCelsius, Fahrenheit, gas mark and the fan-oven equivalent, all at once.
EverydayNumber to Words Converter (English, Portuguese, Spanish, French)Write any number or amount of money in words, in English, European Portuguese, Spanish or French, for cheques, invoices and contracts.
EverydayRecipe ScalerRescale any ingredient quantity from one number of servings to another.
EverydayEgg Boiling Time CalculatorHow long to boil an egg for a chosen yolk temperature, from its weight and starting temperature.
EverydayPros and Cons CalculatorA for-and-against list where each reason carries the weight you give it, so the answer reflects what matters and not just how many things you thought of.
EverydayHeat Pump Running Cost CalculatorAnnual heating cost of a heat pump against a gas boiler, with the SCOP needed to break even.
EverydayWeighted Decision MakerLet chance choose between your options, but give the ones you lean towards a better chance of coming up.
EverydayDefrosting Time CalculatorHow long frozen food takes to thaw in the fridge or in cold water, with the number of water changes needed.
EverydayAir Conditioner Size CalculatorAdd up the heat a room gains and turn it into watts and BTU per hour, so you can match a unit to the room rather than guess.
EverydayCat Age Calculator (Cat Years to Human Years)Your cat's age in human years, using the veterinary life-stage chart, and which life stage it is in.
EverydayReading Time CalculatorHow long a text takes to read silently, to read aloud, and how many pages it fills.
EverydayBingo Card GeneratorA standard 75-ball bingo card, five by five, with the free centre square.
EverydayHousehold Water Usage CalculatorAdd up what your home actually uses — showers, flushes, washing, everything else — in litres a day and money a month.
EverydayAir Fryer Conversion CalculatorAir fryer temperature and time from an oven recipe, with the point to shake or turn the food.
EverydayCoffee to Water Ratio CalculatorGrams of coffee for a volume of water, and how much brewed coffee you actually end up with.
EverydayMorse Code TranslatorTranslate text into Morse code and Morse back into text, using the international ITU table, with letters, digits and punctuation.
EverydayScreen Size CalculatorActual width and height of a screen from its diagonal and aspect ratio.
EverydaySous Vide Time Calculator (Cooking Time by Thickness)How long a steak, fillet, sausage or meatball needs in a water bath before its centre reaches the temperature you want, from its thickness and starting temperature.
EverydayRandom Card GeneratorDraws cards from a shuffled 52-card deck, without ever repeating one.
EverydayDog Age CalculatorA dog's age in human-equivalent years by the epigenetic formula, with the old seven-year rule for comparison.
EverydayRaised Bed Soil CalculatorLitres of soil or compost needed to fill a raised bed or planter, with the number of bags and the cost.
EverydayTV Viewing Distance CalculatorIdeal seating distance for a screen size, based on the horizontal angle it fills.
EverydayAlcohol Units CalculatorGrams of pure alcohol in a drink, in UK units, US standard drinks and calories.
EverydayBread Hydration CalculatorWater, salt and starter weights for a given flour weight, using baker's percentages.
EverydayBaggage Allowance CalculatorHow far over the weight limit your case is, what the excess will cost across all your bags, and whether it is within the size rule.
EverydayPizza Value CalculatorWhich pizza gives more area for the money, and by how much.
EverydayRoast Cooking Time CalculatorOven time for a joint from its weight, plus resting time and the finish time in hours and minutes.
EverydayShower Cost CalculatorCost and energy of one shower, the water used, and the yearly cost for a household.
EverydaySubscription Cost CalculatorYearly and monthly total of your subscriptions, what share of income they take and what five years costs.
EverydayBicycle Spoke Length Calculator (Wheel Building)Length of the spokes for a wheel you are building, from the rim's effective diameter, the hub flange, the spoke count and the lacing pattern.
EverydayDilution Ratio CalculatorConcentrate and water needed for a final volume at a given dilution ratio.
EverydayElo Rating Calculator (Chess and Game Rating Change)Your expected score against an opponent, and your new rating after a win, draw or loss, using the Elo system with a K-factor of your choice.
EverydayRandom Emoji GeneratorDraws random emoji from a chosen category, or from all of them at once.
EverydayEpoxy Resin Calculator (How Much Resin for a Pour)Millilitres of mixed epoxy, split into resin and hardener, for a table, tray, coaster or mould of a given size and depth, with a margin for waste.
EverydayParty Food Quantity CalculatorHow much main course, sides and bread to buy for a number of guests, with a margin.
EverydayPhone Charging Time CalculatorTime to charge a phone from its current level, with the battery's energy in watt-hours.
EverydayPlant Spacing CalculatorHow many plants fit a plot at a given spacing, in rows and in total, with the density per square metre.
EverydayTobler's Hiking Function Calculator (Walking Speed on Slopes)Walking speed and time for a stretch of path from its gradient, using Tobler's hiking function, which makes you fastest on a gentle downhill, with a correction for off-path ground.
EverydayBaking Pan Conversion CalculatorFactor to scale a recipe when your tin is a different size or shape from the one in the book.
EverydayWill This Bed Fit CalculatorHow much floor is left on each side and at the foot once a given bed is in a given room, and the widest bed the room takes.
EverydayBike Saddle Height Calculator (LeMond and Hamley–Thomas Methods)A starting saddle height for your bike from your inseam, by the LeMond and the Hamley–Thomas formulas, measured from the pedal axis and from the bottom bracket.
EverydayParty Drinks CalculatorDrinks, wine bottles, soft drinks, ice and glasses for a party of a given size and length.
EverydaySafe Listening Time Calculator (Noise Exposure, NIOSH and OSHA)How long you can listen or work at a sound level each day before reaching the noise exposure limit, and what dose your day adds up to.
EverydayWashing Machine Cost CalculatorCost of one wash cycle and of a year of washing, with the electricity and water it uses.
EverydayMobile Data Usage CalculatorMonthly data use from video, music and browsing hours, with the share video takes.
EverydayPool Chlorine Dose CalculatorProduct needed to raise pool chlorine to a target level, in grams and kilograms, with the pure chlorine equivalent.
EverydayPet Food Portion CalculatorDaily and per-meal food quantity for a dog or cat, from its weight and activity level.
EverydayPhoto Print Size and DPI CalculatorPrint size at a chosen resolution, and the resolution you would get at 30 cm wide.
EverydayDepth of Field CalculatorNear and far limits of sharpness, the total depth of field and the hyperfocal distance.
EverydayRing Size CalculatorInner diameter of a ring from the finger circumference, in millimetres, centimetres and inches.
EverydayWater Tank Fill Time CalculatorTime to fill a tank from its current level at a given flow rate.
EverydayWind Chill CalculatorHow cold the air feels on exposed skin once the wind is taken into account.
EverydayBaseball Batting Stats Calculator (AVG, OBP, SLG, OPS)Batting average, on-base percentage, slugging, OPS, isolated power and total bases from a hitter's counting stats.
EverydayCandle Wax Calculator (Wax and Fragrance Oil per Container)Grams of wax and fragrance oil to pour a container candle, and the total for a batch, from the capacity of the jar, how full it is poured and the fragrance load.
EverydayGolf Handicap Calculator (World Handicap System Differential and Course Handicap)The score differential of a round and the course handicap for a tee, using the World Handicap System formulas with the course rating and slope.
EverydayPicture Hanging CalculatorEven spacing for a row of pictures and the nail height for eye-level hanging.
EverydayPower Bank Charges CalculatorHow many times a power bank can really charge your phone, its energy in watt-hours and whether you can take it on a plane.
EverydayProjector Throw Distance CalculatorHow far the projector must be from the screen for a given image size and throw ratio, and the largest picture your room allows.
EverydaySourdough Starter Feeding CalculatorFlour and water to feed a starter at a chosen ratio, how much you end up with, and how much to keep back.
EverydayStandby Power Cost CalculatorYearly cost and energy of devices left on standby, per device and in total, with the carbon behind it.
EverydayTide Height Calculator (Rule of Twelfths)Height of the water at any time between low and high tide, by the rule of twelfths and by a sine curve, from the two tide heights and the time elapsed.
EverydayWater Heating Time Calculator (Boiler, Kettle, Tank)How long an electric water heater, kettle or immersion heater takes to bring water to temperature, the energy it uses and what it costs.
EverydayAquarium Water Change CalculatorUsable litres in a tank and the volume of a partial water change, with the dose of conditioner needed.
EverydayGarden Watering CalculatorLitres a garden needs each week, how long to run the hose, and what it costs over a year.
EverydayMoving Boxes CalculatorRough number of packing boxes for a house move, split by box size.
EverydayMusical Note Frequency CalculatorFrequency of a note a number of semitones from A4, with its MIDI number, wavelength and the octave above.
EverydayBicycle Gear CalculatorDevelopment, gear ratio, gear inches and road speed for a chainring and sprocket combination.
EverydayBrine Salt CalculatorSalt needed for a brine at a chosen strength, in grams and tablespoons, with the strength counting the food as well.
EverydayExposure Value CalculatorExposure value from aperture, shutter and ISO, with the EV at ISO 100 and the light level it corresponds to.
EverydayFirewood Stack Volume CalculatorStacked volume of a woodpile and the solid wood it actually contains.
EverydayNFL Passer Rating Calculator (QB Rating)The official NFL passer rating, from 0 to 158.3, plus the NCAA passing efficiency, completion percentage and yards per attempt.
EverydayField of View CalculatorHorizontal, vertical and diagonal angles of view, the frame size at a distance, and the crop factor.
EverydayGrass Seed CalculatorSeed needed for a new lawn, bags and cost, with the lighter rate for overseeding an existing one.
EverydayPrinting Cost Per Page CalculatorCost of a printed page including paper, with the monthly and yearly total and when the cartridge runs out.
EverydayCricket Run Rate Calculator (Current and Required)Current run rate, required run rate, runs and balls left and the projected total for a limited-overs innings.
EverydayLawn Fertiliser CalculatorHow much product to spread for a target nitrogen dose, the rate per square metre, bags needed and cost.
EverydayTempo to Delay Time CalculatorDelay times in milliseconds for a tempo, from quarter notes down to sixteenths, with dotted and triplet values.
EverydayABV Calculator for Homebrew (Beer, Wine, Cider)Alcohol content of a home-brewed beer, wine or cider from its original and final gravity readings, with the attenuation and original extract.
EverydayHorse Weight Calculator (Girth and Length)Estimated weight of an adult horse from heart girth and body length, by the formula used by agricultural extension services, plus a daily forage figure.
EverydayDripping Tap Water Loss Calculator (What a Leak Costs)Litres a dripping tap or running toilet wastes per day, month and year, and what that costs at your water price.
EverydayPanorama Shots Calculator (How Many Photos and How Far to Turn)How many photos to take for a panorama of a given width, how far to turn the camera between shots, and the overlap you end up with, from lens, sensor and overlap.
EverydaySailboat Hull Speed Calculator (Displacement-Length and Sail Area Ratios)The speed a displacement sailboat struggles to exceed, from its waterline length, plus the two classic ratios that tell a light, fast boat from a heavy, slow one.
EverydayBaseball ERA and WHIP CalculatorEarned run average, WHIP, strikeouts and walks per nine innings and strikeout-to-walk ratio from a pitcher's line.
EverydayBasketball True Shooting Percentage Calculator (TS% and eFG%)True shooting percentage, effective field goal percentage, plain field goal percentage and points per shooting attempt from a player's box score.
EverydayBeer IBU Calculator (Tinseth Formula)Bitterness in International Bitterness Units from two hop additions, by Glenn Tinseth's formula, with the utilisation and the BU:GU balance.
EverydayCurtain Fabric CalculatorHow much fabric a pair of curtains needs, counted in whole fabric widths.
EverydayCompost C:N Ratio CalculatorThe carbon to nitrogen ratio of a compost mix from the weights and analyses of two materials.
EverydayHow Many Boxes Fit in a Space Calculator (Van, Boot, Shelf, Pallet)How many identical boxes fit in a van, car boot, cupboard, shelf or pallet, trying every way of turning them, with how full the space ends up and the total weight.
EverydayGas Meter Reading to kWh Calculator (m³ or 100 ft³ to Energy)The kWh and the cost of the gas you used between two meter readings, from the volume on the meter, the calorific value on your bill and the correction factor.
EverydayHeating Fuel Cost Comparison Calculator (Pellets, Oil, Gas, Wood, Electricity)The true cost of one kWh of heat from two fuels sold in different units, the yearly bill for each, the saving and the price at which they would break even.
EverydayND Filter Exposure Calculator (Long Exposure)Shutter speed with a neutral density filter from the speed without it and the filter's strength in stops, with the ND factor and optical density.
EverydayPassport Validity Checker (3-Month and 6-Month Rule for Travel)Whether your passport has enough validity left for a trip, given its expiry date, the day you leave the destination and the validity the country requires.
EverydayPizza Dough Calculator (Flour, Water, Salt and Yeast for Any Number of Pizzas)Grams of flour, water, salt and yeast for a number of pizzas of a chosen size, using baker's percentages, with the weight of each dough ball.
EverydayPythagorean Expectation Calculator (Expected Wins)The winning percentage and number of wins a team 'should' have from the runs or points it scored and allowed, and how many it gained or lost to luck.
EverydayString Tension Calculator (Guitar and Plain Strings)Tension of a plain string tuned to a given note on a given scale length, in newtons, kilograms-force and pounds, with how it changes around the note.
EverydayBowling Handicap CalculatorYour ten-pin bowling handicap per game and per series from the league's basis and percentage and your average, plus the game score with handicap.
EverydayBeer Colour Calculator (SRM and EBC, Morey Equation)Colour of a beer in SRM and EBC from the weight and colour of up to three malts and the batch volume, by Morey's equation.
EverydayAlcohol Proof Converter (ABV, US Proof, UK Proof)Convert alcohol by volume to US proof and British proof, or either proof back to ABV, with how far over or under proof a spirit is on the old UK scale.
EverydayAquarium Volume and Weight Calculator (Litres, Gallons and Full Weight)How much water an aquarium really holds once the glass and the gap at the top are taken out, and how much the full tank weighs with glass, substrate and decor.
EverydayBass Reflex Port Length CalculatorLength of the port tube that tunes a bass-reflex loudspeaker box to a chosen frequency, from the box volume and the port diameter.
EverydayCircle Skirt Calculator (Waist Radius and Fabric)Radius of the waist cut-out and the fabric you need for a full, half or quarter circle skirt from your waist measurement and the length you want.
EverydayCocktail ABV Calculator (Strength of a Mixed Drink)The alcohol percentage of a cocktail or mixed drink from up to four ingredients and the water that ice adds, with the pure alcohol it holds and the UK units.
EverydayCoffee Extraction Yield Calculator (TDS)Share of the ground coffee that ended up dissolved in your cup, from the dose, the brewed weight and a refractometer TDS reading.
EverydayCrowd Size Calculator (People per Square Metre)How many people fit in, or were at, a square, hall or field from its area and how packed the crowd is.
EverydayDrone Flight Time Calculator (From Battery and Power Draw)Estimated flight time of a drone from its battery capacity and voltage, the share of it you use and the average power it draws, plus the distance at a given speed.
Everyday3D Printer Filament Length Calculator (Metres From Grams)Length of filament in a spool from its weight, material and diameter, plus the weight and cost of each metre.
EverydayHelium Balloon Lift Calculator (How Many Balloons to Lift a Load)The lifting power of helium per litre at your temperature and pressure, the lift of one balloon after its own weight, and how many balloons it takes to lift a given mass.
EverydayHot Water Wait Time Calculator (Pipe Length and Water Wasted)How long you wait for hot water at the tap and how much water goes down the drain meanwhile, from the pipe's bore and length and the tap's flow.
EverydayKnitting Gauge Calculator (Stitches and Rows for Your Tension)How many stitches to cast on and rows to knit for a given size from your own gauge, and how to adapt a pattern written for a different gauge.
EverydayPower from Electricity Meter Pulses Calculator (LED Blinks or Disc Turns)The power in watts that an appliance or a whole home is drawing, from the blinks of the meter's LED or the turns of its disc, with the yearly energy and cost that implies.
EverydayMicrowave Time Converter (Adjust for Your Wattage)Convert a cooking time written for one microwave power to the time for yours, in total seconds and in minutes and seconds.
EverydayPet Food Bag Duration Calculator (How Long a Bag of Kibble Lasts)How many days a bag of dry food lasts for one or more pets, and what that costs per day, per month and per year, from the bag size and the daily ration.
EverydayPicture Frame Mat Calculator (Window Size and Border Widths)The size to cut the window of a picture mat, and the widths of the side, top and bottom borders, from the frame opening, the picture size and how much the mat overlaps it.
EverydayPond Liner Calculator (Liner Size and Volume of a Garden Pond)The size of liner to buy for a garden pond from its length, width and depth, with the underlay area, the surface and a volume estimate.
EverydaySulphite (SO₂) Addition Calculator for Wine, Cider and MeadGrams of potassium metabisulphite to add to reach a target free SO₂ in a given volume, after allowing for the free SO₂ already present.
EverydaySpeaker SPL Calculator (Loudness from Sensitivity, Power and Distance)Sound level in dB at the listening position from the speaker's sensitivity, the power, the distance and the number of speakers — or the power needed for a level you want.
EverydayTime-Lapse Calculator (Interval, Photos and Storage)The interval to set on your camera, the number of photos and the storage you need for a time-lapse of a given event length and finished clip.
EverydayYeast Converter (Fresh, Active Dry and Instant)Convert between fresh, active dry and instant yeast in a recipe, using the common baking ratio of about 1 : 0.4 : 0.33.
EverydayHockey Goalie Stats Calculator (SV%, GAA, GSAA)Save percentage, goals-against average and goals saved above average for an ice hockey goaltender.
EverydayAquarium CO₂ Calculator (CO₂ ppm from pH and KH)The dissolved CO₂ in a planted aquarium from its pH and carbonate hardness, and the pH you would need to hold for a target CO₂ level.
EverydayBrix to Specific Gravity ConverterSpecific gravity and dissolved sugar of a juice, must or wort from a refractometer reading in degrees Brix.
EverydayEven Increases and Decreases Calculator (Knitting and Crochet)How to space a number of increases or decreases evenly across a row or round: the plain stitches between them, and how many gaps are one stitch longer.
EverydayFlash Guide Number Calculator (Distance and Aperture)How far a flash reaches at a given aperture and ISO, or the aperture to use for a subject at a given distance, from its guide number.
EverydayFood Drying Yield Calculator (Dehydrator: Dried Weight from Fresh)How much a batch weighs once dried, how much water has to go, the share of the weight that remains, and how much fresh food makes a given amount of dried.
EverydayFret Position Calculator (Guitar and Bass Fret Spacing)Distance from the nut to any fret of a guitar, bass, ukulele or banjo from its scale length, and the gap to the previous fret.
EverydayGrowing Degree Days Calculator (GDD for Crops, Garden and Insects)The growing degree days a day adds, how many days of that weather a crop stage needs, and the total after a run of such days.
EverydayLawn Mowing Time Calculator (How Long to Cut the Grass)How long a lawn takes to mow, how far you walk, the area you get through per hour and the hours a season costs, from the lawn's area, the mower's width and your pace.
EverydayPearson Square Calculator (Mixing Two Strengths)How much of a strong and a weak ingredient to mix to reach a target strength: the parts of each, and the amounts for a total quantity.
EverydayPool Salt Calculator (Kilos of Salt for a Saltwater Pool)Kilograms of salt to add to a swimming pool to go from its current salt level to the one your chlorinator needs, and how many bags that is.
EverydayQuilt Backing and Binding Calculator (Fabric Needed)How much fabric the backing and the binding of a quilt need, how many pieces of backing to join, and how many binding strips to cut, from the size of the quilt top.
EverydaySpeaker Delay Calculator (Delay Towers and Fill Speakers)The delay to give a closer fill or delay speaker so its sound arrives together with the main speakers, from the two distances and the air temperature.
EverydayFrame Rate and Frame Count CalculatorFrames in a clip, how long one frame lasts, and what happens when you change the rate.

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