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Data & Calculators

1770 apps

Data & Calculators: Other Calculators

Calculator · CalculateBaker’s Percentage from Flour & Ingredient MassFind an ingredient’s percentage of flour weight, or scale its mass from a target baker’s percentage.Calculator · CalculateBandwidth CalculatorEstimate file-transfer time from file size, link speed, and protocol efficiency.Calculator · CalculateBandwidth–RTT Data in FlightMultiply link throughput by round-trip time to calculate a bandwidth-delay product in bits or bytes.Calculator · CalculateBase64 Encode / DecodeEncode UTF-8 text as Base64 or decode Base64 back to readable UTF-8, entirely in this browser.Calculator · CalculateBra Size CalculatorEstimate a starting band and cup size from snug underbust and full-bust measurements.Calculator · CalculateBTU CalculatorEstimate room heating capacity from floor area, ceiling height, temperature rise, and insulation quality.Calculator · CalculateCoffee Dose & Input-Water Ratio Batch PlannerScale coffee dose and input water across one to ten servings, retaining selectable ratio presets and clearly separating input water from a fixed-factor beverage estimate.Calculator · CalculateConcrete CalculatorEstimate concrete volume for a rectangular slab and add a waste allowance, with cubic-yard and bag totals.Calculator · CalculateConversion CalculatorConvert common length, mass, and temperature units in either metric or customary systems.Calculator · CalculateDate CalculatorAdd or subtract calendar years, months, weeks, and days from a date with month-end handling.Calculator · CalculateDay CounterCount elapsed and inclusive calendar days, weeks, weekdays, and weekend days between two dates.Calculator · CalculateDay of the Week CalculatorFind the weekday, day of year, ISO week, quarter, and distance from today for any Gregorian date.Calculator · CalculateDDR CAS Latency in NanosecondsConvert CAS cycles and DDR transfer rate in MT/s to the modeled CAS delay in nanoseconds, or solve either input.Calculator · CalculateDensity CalculatorCalculate density from mass and volume, with common SI and metric conversions.Calculator · CalculateDew Point CalculatorCalculate dew point and a plain-language humidity comfort description from temperature and relative humidity.Calculator · CalculateElectricity CalculatorEstimate appliance energy use and cost from power, daily runtime, days, and electricity rate.Calculator · CalculateEngine Horsepower CalculatorCalculate engine horsepower and kilowatts from torque and rotational speed.Calculator · CalculateExposure Value, Aperture & ISO Shutter TimeEstimate shutter duration from EV at ISO 100, aperture and ISO, using retained scene and camera-setting presets or custom values.Calculator · CalculateFabric Strip Length and Rectangular Piece LayoutPlan a fabric strip for identical rectangular pieces in a fixed orientation. Calculate whole pieces across, rows down and needed strip length, or solve a piece length.Calculator · CalculateFile Transfer Size, Rate & DurationSolve ideal transfer duration, average payload rate or data size with bit, byte, decimal and binary unit controls.Calculator · CalculateFile Upload Duration from Transfer RateEstimate upload duration from decimal file size and effective upload bitrate, or solve the required bitrate or transferred size.Calculator · CalculateFuel Cost CalculatorEstimate trip fuel use, total cost, and cost per traveller from distance and vehicle efficiency.Calculator · CalculateGaming K/D & KDA from Match CountsCalculate kills per death and kills-plus-assists per death from nonnegative whole counts and at least one death.Calculator · CalculateGarlic Clove, Powder & Minced Substitution EstimatesScale approximate garlic substitutions among cloves, powder, granules, flakes, chopped garlic, minced garlic and garlic salt with explicit spoon sizes.Calculator · CalculateGas Mileage CalculatorCalculate L/100 km, kilometres per litre, and miles per US gallon from distance and fuel used.Calculator · CalculateGDP CalculatorCalculate expenditure-based gross domestic product and the contribution of net exports.Calculator · CalculateGolf Handicap CalculatorEstimate a World Handicap System-style index from recent score differentials.Calculator · CalculateGPA CalculatorCalculate a credit-weighted GPA from letter grades and course credits.Calculator · CalculateGrade CalculatorCalculate a current percentage and the score needed on a remaining final assessment.Calculator · CalculateGravel CalculatorEstimate gravel volume, weight, and delivery tonnage from area, depth, and material density.Calculator · CalculateGround Pixel Size from Camera GeometryEstimate ground sampling distance from height above ground, physical sensor width, real focal length and image width in pixels.Calculator · CalculateHam Portion Weight & Guest PlannerEstimate a ham purchase weight from equivalent servings using the retained boneless and bone-in portion assumptions.Calculator · CalculateHeat Index CalculatorEstimate apparent temperature from air temperature and relative humidity with the NOAA regression.Calculator · CalculateHeight CalculatorEstimate a child's mid-parental adult height range from biological-parent heights and the sex adjustment used by the method.Calculator · CalculateHorsepower CalculatorCalculate mechanical horsepower and watts from force, travel distance, and elapsed time.Calculator · CalculateHours CalculatorCalculate elapsed work time between clock times, including overnight shifts and an unpaid break.Calculator · CalculateIdeal Op-Amp Gain from Resistor RatioCalculate ideal inverting gain magnitude or non-inverting voltage gain from the input and feedback resistors, with reverse resistance calculations.Calculator · CalculateImpact Angle from Ellipse Width & LengthEstimate an impact angle from the short and long axes of an ideal elliptical mark, or solve an axis from a supplied angle.Calculator · CalculateIndependent Drop Odds & Expected WaitCalculate the probability of at least one success over repeated independent attempts, plus the expected wait from a fixed per-attempt chance.Calculator · CalculateInventory Reorder Level from Days of CoverCalculate a stock reorder level from replenishment lead time, base-cover days, safety-cover days and a steady sales rate.Calculator · CalculateIP Subnet CalculatorCalculate IPv4 network, broadcast, usable host range, mask, wildcard, and host capacity from CIDR notation.Calculator · CalculateLove CalculatorCreate a stable, playful name-match score for entertainment, with the same names always returning the same result.Calculator · CalculateMashed-Potato Servings & Recipe Mass PlannerScale mashed-potato portions by mass or estimated cup volume, using an explicit 210 g-per-cup assumption and an 80/20 potato-to-liquid mass split.Calculator · CalculateMass CalculatorCalculate mass from density and volume, with grams, kilograms, and pounds.Calculator · CalculateMileage CalculatorCalculate business mileage reimbursement and fuel-cost comparison for a trip.Calculator · CalculateMolarity CalculatorCalculate solution molarity, millimolar concentration, and amount from moles and volume.Calculator · CalculateMolecular Weight CalculatorCalculate molar mass from a chemical formula, including grouped formulas such as Ca(OH)2.Calculator · CalculateMulch CalculatorEstimate mulch volume and bag count from landscape area, depth, and bag size.Calculator · CalculateMultirotor Thrust Target per MotorEstimate a static thrust target per motor from total mass, motor count and a chosen thrust-to-weight ratio.Calculator · CalculateNon-Drop Timecode to Whole Frame CountConvert canonical hours, minutes, seconds and frame components to a frame offset at a whole-number constant frame rate.Calculator · CalculateOhm's Law CalculatorCalculate voltage, current, resistance, and power from any two selected electrical values.Calculator · CalculatePassword GeneratorGenerate a high-entropy password locally with configurable length and character sets.Calculator · CalculatePopcorn Kernels, Portions & Calorie EstimateEstimate kernels for a group from portion size and an assumed popping yield, with illustrative calories per portion.Calculator · CalculateRainfall Depth & Catchment Water VolumeCalculate theoretical water volume from rainfall depth and catchment area, with optional rectangular dimensions and volume conversions.Calculator · CalculateResistor CalculatorDecode a four-band resistor value from colour digits, multiplier, and tolerance.Calculator · CalculateRice & Water Volume Ratio PlannerScale water volume from dry-rice volume using the retained rice presets or your own water-to-rice ratio.Calculator · CalculateRolled Material Length, Core and ThicknessEstimate tightly packed roll length from outer diameter, core diameter and uniform material thickness, or solve a missing measurement with compatible units.Calculator · CalculateRoman Numeral ConverterConvert whole numbers to canonical Roman numerals or Roman numerals to decimal values.Calculator · CalculateRoofing CalculatorEstimate sloped roof area, roofing squares, bundles, and waste from plan dimensions and roof pitch.Calculator · CalculateShoe Size ConversionEstimate equivalent US, UK, and EU adult shoe sizes from one selected system.Calculator · CalculateSignal Travel Delay & Velocity FactorCalculate one-way propagation time from path length and signal speed, using captured material presets or a custom speed.Calculator · CalculateSleep CalculatorPlan bedtimes or wake times around approximate 90-minute sleep cycles and a settling allowance.Calculator · CalculateSpeed CalculatorCalculate speed from distance and time with km/h, m/s, mph, and pace conversions.Calculator · CalculateSquare Footage CalculatorCalculate rectangular area, total quantity, waste allowance, square yards, and square metres.Calculator · CalculateStair CalculatorEstimate riser count, actual rise, tread run, staircase length, and stringer length.Calculator · CalculateTHD Percentage & Decibel LevelConvert a total harmonic distortion amplitude ratio between percentage and decibels over the captured 0.001%–100% range.Calculator · CalculateTile CalculatorEstimate tile count, area, and boxes from surface and tile dimensions with grout and waste allowance.Calculator · CalculateTime CalculatorAdd or subtract two hour-minute-second durations and convert the result to total units.Calculator · CalculateTime Card CalculatorCalculate weekly hours and gross pay from a repeating shift, workdays, break, rate, and overtime settings.Calculator · CalculateTime Duration CalculatorCalculate elapsed time between two clock times, including overnight spans and break deductions.Calculator · CalculateTime Zone CalculatorConvert a local date and time between fixed UTC offsets, including dates that cross midnight.Calculator · CalculateTime-Lapse Frames, Interval & Storage PlanPlan frame count, capture interval and photo storage from final clip duration, playback frame rate and recording time.Calculator · CalculateTip CalculatorCalculate tip, total bill, and per-person split with optional sales tax separated from the tipping base.Calculator · CalculateTire Size CalculatorCompare two metric tire sizes for diameter, circumference, sidewall, revolutions, and speedometer difference.Calculator · CalculateTwo-Quarter & Final Exam Semester GradeCombine two quarter scores and a final exam using weights totaling 100%, or solve a missing score or weight.Calculator · CalculateTwo-Year Journal Citation RatioCalculate citations divided by two years of citable-item counts, with clear numerator, denominator and reporting-window assumptions.Calculator · CalculateUncompressed Audio Size & PCM BitrateCalculate raw PCM audio size and bitrate from sample rate, bit depth, channels and duration, with reverse duration calculations.Calculator · CalculateUncompressed Image Pixel Data SizeCalculate theoretical image data from pixel dimensions and bits per pixel, with decimal and binary data-size units.Calculator · CalculateUncompressed Video Frame & Storage SizeEstimate ideal uncompressed frame size and video pixel-data size from dimensions, bits per pixel, integer frame rate and duration.Calculator · CalculateURL Encode / DecodeEncode text for a URL component or decode percent-encoded text locally.Calculator · CalculateUS Butter Sticks, Grams, Cups & SpoonsConvert US quarter-pound butter sticks to exact mass equivalents and conventional US recipe cups, tablespoons, teaspoons and millilitres.Calculator · CalculateVoltage Drop CalculatorEstimate two-conductor copper or aluminum circuit voltage drop from length, current, voltage, and wire area.Calculator · CalculateWeight CalculatorCalculate gravitational weight force from mass and local gravitational acceleration.Calculator · CalculateWhole Frame Count to Non-Drop TimecodeSplit a whole frame count into hours, minutes, seconds and remaining frames at a positive whole-number frame rate.Calculator · CalculateWind Chill CalculatorCalculate the North American wind-chill index from air temperature and wind speed.

Data & Calculators: GeoJSON Basics

GeoJSON · GenerateGeoJSON Bounding Box MakerFind the smallest west, south, east, and north box that holds your GeoJSON.GeoJSON · CalculateGeoJSON Center and Centroid FinderFind the centre of the outer box and the centre made from all shape points.GeoJSON · ConvertGeoJSON Coordinate CleanerRemove needless repeated points from lines and polygons without changing their visible shape.GeoJSON · ConvertGeoJSON Line to Polygon ConverterClose a GeoJSON line and turn it into a polygon feature.GeoJSON · ConvertGeoJSON Polygon to Line ConverterConvert polygon rings into GeoJSON lines while keeping the feature properties.GeoJSON · CheckGeoJSON ValidatorCheck whether GeoJSON is readable and whether each map shape follows the basic geometry rules.

Data & Calculators: Measure & Navigate

GeoJSON · CalculateBearing and Midpoint CalculatorFind the compass bearing, distance, and halfway point between two map coordinates.GeoJSON · GenerateDestination Point MakerStart at one coordinate, travel a set distance and bearing, and get the destination point.GeoJSON · CalculateGeoJSON Area CalculatorMeasure a polygon in square metres, square kilometres, hectares, and acres.GeoJSON · CalculateGeoJSON Route Length CalculatorFind the full ground distance of a GeoJSON line in kilometres, miles, metres, or nautical miles.GeoJSON · GenerateGreat Circle Route MakerCreate a curved GeoJSON route that follows the shortest path across the globe between two points.