Design & Drawing · Page 4
Work with scale ratios, drawing dimensions and enlargement or reduction factors.
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A tool can belong to several categories. All tools lists each calculator once.
Computing
Video and Audio File Size Calculator
IT & Communication · Design & DrawingEstimate media file size from duration and average audio/video bitrates, or solve the video bitrate available under a file-size limit.
Open calculator ↗Screen Size Calculator
IT & Communication · Design & DrawingEnter a screen diagonal and pixel resolution to calculate active width, height, aspect ratio, pixel density and pitch, with a dimensioned screen diagram.
Open calculator ↗Construction
Paint Calculator
Construction & DIY · Design & Drawing · ShoppingEstimate paint for a rectangular room from wall dimensions, excluded wall area, coats and entered coverage. Include the ceiling optionally and round to whole cans.
Open calculator ↗Tile Calculator
Construction & DIY · Design & Drawing · Shopping · Learning & EducationEstimate tile and pack quantities from a rectangular room and tile size. Compare an area budget with two simple grid orientations and add your own allowance.
Open calculator ↗Geometry
Coordinate System Converter
Learning & Education · High School · Design & Drawing · IT & CommunicationConvert Cartesian, polar, cylindrical and spherical coordinates. Choose degree/radian angles, length units and an explicit inclination or elevation convention.
Open calculator ↗Polygon Area from Coordinates
Learning & Education · Construction & DIY · Design & DrawingCalculate area, perimeter and area centroid from 3–50 ordered vertices of a simple polygon. Inspect an equal-scale outline and a table of edges.
Open calculator ↗Cone Frustum Calculator
Learning & Education · Construction & DIY · Design & DrawingFind a right circular cone frustum’s volume, slant height and surface areas from two radii and vertical height. Mix input units and compare volume equivalents.
Open calculator ↗Box Packing Calculator
Shopping · Construction & DIY · Design & DrawingCompare all six orientations for identical rectangular items in a rectangular container. Find the best uniform grid, counts along each axis and volume utilization.
Open calculator ↗Regular Polygon Calculator
Learning & Education · Construction & DIY · Design & DrawingFind a regular polygon’s area, perimeter, apothem, circumradius and angles from side count and length. Choose global length units and compare dimensions.
Open calculator ↗Coordinate Distance Calculator
Learning & Education · Construction & DIY · Design & DrawingEnter two Cartesian points to find their distance, midpoint, coordinate changes and direction. Choose a shared input unit and compare output lengths.
Open calculator ↗Arc Length and Sector Area Calculator
Learning & Education · Construction & DIY · Design & DrawingCalculate a circular arc, sector area and chord from radius and central angle. Mix angle and length units and view a sector diagram plus unit equivalents.
Open calculator ↗Slope Calculator
Construction & DIY · Design & Drawing · Learning & Education · Sports & FitnessFind percent grade and angle from rise and horizontal run, or solve a missing rise or run. Mix length units and inspect a labelled elevation diagram.
Open calculator ↗Mathematics
Area Between Curves and Rotation Volume
Learning & Education · High School · Design & Drawing · Construction & DIYCalculate geometric area between two quadratic profiles or washer volume around the x-axis. Split crossing curves for area and validate inner and outer radii for rotation.
Open calculator ↗Ratio and Proportion Calculator
Learning & Education · Design & DrawingSimplify a whole-number ratio and divide a total into proportional shares, or solve the missing value in a:b = c:x. Inspect the shares and calculation steps.
Open calculator ↗Trigonometry Calculator
Learning & Education · Science & Lab · Design & DrawingEnter an angle in degrees or radians to find six trigonometric functions. Explore a unit-circle diagram and sine/cosine graphs.
Open calculator ↗Vector Calculator
Learning & Education · Science & Lab · Design & DrawingEnter two three-component vectors to calculate their sum, difference, dot product, cross product, magnitudes and angle, with an XY-projection diagram.
Open calculator ↗Linear Interpolation Calculator
Learning & Education · Science & Lab · Design & DrawingEnter two known points and a target x or y. Calculate the other coordinate, view the straight-line model and clearly distinguish interpolation from extrapolation.
Open calculator ↗Mechanics
Optics
Physics
Thermal Expansion Calculator
Learning & Education · High School · Science & Lab · Construction & DIY · Design & DrawingCalculate the dimensional change from a mean linear expansion coefficient and a temperature change. Compare linear, area and volume models.
Open calculator ↗Rotational Speed and Rim Speed Calculator
Learning & Education · High School · Science & Lab · Automotive · Design & DrawingConvert rpm, angular speed and tangential rim speed using a radius or diameter. Find frequency, period and centripetal acceleration with explicit units.
Open calculator ↗Thin Lens Calculator
Learning & Education · High School · Science & Lab · Design & DrawingFind image distance and signed magnification for a thin lens and a real object. Distinguish real, virtual and focal-plane cases with a lens layout.
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