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Data & Calculators

1822 apps

Data & Calculators: Other Calculators

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 · CalculateLarge File Download Deadline and ThroughputCalculate ideal download time or the sustained data rate needed for a deadline, including decimal and binary file sizes up to yottabytes and yobibytes.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.GeoJSON · CalculateMap Point Distance CalculatorFind the earth distance between two longitude and latitude pairs.GeoJSON · CalculatePoint Along Route FinderPlace a point at an exact distance from the start of a GeoJSON route.

Data & Calculators: Select & Compare

GeoJSON · CalculateGeoJSON Line Intersection FinderFind every point where two GeoJSON lines cross each other.GeoJSON · CheckGeoJSON Point Cluster AnalyzerGroup a point collection with K-means or DBSCAN and add a cluster number to every point.GeoJSON · CheckGeoJSON Polygon Overlap CheckerCheck whether two polygons touch or overlap, and draw the shared area when one exists.GeoJSON · CalculateNearest Map Point FinderCompare one target coordinate with a GeoJSON point list and find the closest point.GeoJSON · CalculateNearest Point on Route FinderFind the closest spot on a GeoJSON route to any longitude and latitude point.GeoJSON · CheckPoint in Polygon CheckerCheck whether a longitude and latitude point is inside a GeoJSON polygon.GeoJSON · CheckPoints in Polygon FilterKeep only the GeoJSON points that fall inside a polygon or multipolygon.

Data & Calculators: Shape & Transform

GeoJSON · GenerateConvex Hull MakerDraw the smallest simple convex polygon that wraps around a set of points.GeoJSON · ConvertGeoJSON Bounding Box ClipperCut a line or polygon so only the part inside a bounding box remains.GeoJSON · GenerateGeoJSON Buffer MakerDraw a set-distance zone around a point, line, or polygon.GeoJSON · GenerateGeoJSON Line Offset MakerCreate a new line a set distance to one side of a GeoJSON route.GeoJSON · GenerateGeoJSON Polygon Difference MakerRemove the second polygon from the first and keep the area that remains.GeoJSON · GenerateGeoJSON Polygon Dissolve MakerMerge touching polygons that share the same group property and keep separate groups apart.GeoJSON · GenerateGeoJSON Polygon Intersection MakerCreate the map area that two polygons have in common.GeoJSON · GenerateGeoJSON Polygon Union MakerCombine two or more polygons into one polygon or multipolygon result.GeoJSON · CreateGeoJSON Rotate Scale and Move ToolRotate a map shape, scale it from its centre, and move it by distance and bearing.GeoJSON · GenerateGeoJSON Route Slice MakerCut out the part of a GeoJSON route between two distances from its start.GeoJSON · ConvertGeoJSON SimplifierRemove extra coordinates while keeping the main shape of a line or polygon.

Data & Calculators: Grids & Patterns

GeoJSON · GenerateGeoJSON Circle Polygon MakerTurn a centre point and radius into a GeoJSON polygon that follows ground distance.GeoJSON · GenerateGeoJSON Sector Shape MakerCreate a pie-slice map polygon from a centre, radius, start bearing, and end bearing.GeoJSON · GenerateHexagon Map Grid MakerCreate a flat-top hexagon GeoJSON grid for sampling, planning, or map analysis.GeoJSON · GenerateMap Point Grid MakerCreate evenly spaced GeoJSON points inside a map bounding box.GeoJSON · GenerateRandom GeoJSON Point GeneratorCreate any number of random GeoJSON points inside a bounding box for tests and demos.GeoJSON · GenerateSquare Map Grid MakerCreate an even square GeoJSON grid inside any west, south, east, and north box.GeoJSON · GenerateVoronoi Map MakerSplit a map into cells so every place belongs to its nearest input point.