Calculator category
Surveying & Construction Layout Calculators
Calculate coordinates, bearings, station offsets, levelling closure, traverse closure, and field adjustment schedules. Start with the calculator matching the values you possess, then use related tools to verify or extend the result.
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Surveying & Construction Layout topics
Select a topic to reveal its calculators. Multiple topics can remain open at the same time.Surveying & Construction LayoutCalculate coordinates, bearings, station offsets, levelling closure, traverse closure, and field adjustment schedules.50 available
Coordinates, Bearings & Observations
- Survey Bearing and Coordinate CalculatorSolve forward coordinates or inverse bearing and distance with an explicit grid-north convention.Open calculator
- Coordinate Inverse CalculatorCreate a complete inverse line report between two project-grid coordinates.Open calculator
- Bearing Azimuth and Deflection Angle ConverterConvert azimuths to quadrant bearings or apply a signed right/left deflection.Open calculator
- Slope Distance Reduction CalculatorReduce a slope observation to horizontal distance and ground-point elevation difference.Open calculator
- Three Point Circle CalculatorFind the circle center, radius and orientation through three surveyed points.Open calculator
- Survey Line Intersection CalculatorIntersect two infinite survey lines defined by point coordinates and azimuths.Open calculator
- Perpendicular Foot and Offset CalculatorProject a point onto a baseline and report station and signed right offset.Open calculator
- Coordinate Rotation and Translation CalculatorTransform a coordinate using entered origins, clockwise rotation and scale.Open calculator
- Two Dimensional Site Calibration CalculatorFit a two-control similarity transformation and report residuals for additional matched controls.Open calculator
Control, Traverses & Levelling
- Angular Traverse Closure CalculatorCompare observed interior angles with theoretical closure and distribute an equal correction.Open calculator
- Differential Levelling Closure CalculatorCompute levelling misclosure and distribute it by setup count or entered segment distance.Open calculator
- Differential Levelling Field Book CalculatorReduce level-book rows using the height-of-instrument method.Open calculator
- Weighted Levelling Adjustment CalculatorDistribute a known misclosure by entered positive weights.Open calculator
- Trigonometric Levelling CalculatorCalculate target-ground elevation using slope distance and a signed vertical angle.Open calculator
- Survey Resection CalculatorSolve a two-distance resection and expose both geometric candidates.Open calculator
- Survey Intersection Workbench CalculatorSolve a distance-distance intersection from two known control points.Open calculator
- Control Point Residual and Precision CalculatorSummarize residuals between matching reference and observed 3D control points.Open calculator
- Face One Face Two and Repeated Rounds CalculatorReduce wrap-safe repeated circular directions and expose residual spread.Open calculator
- Traverse Closure and Bowditch Adjustment CalculatorCompute coordinate misclosure, relative precision and Bowditch corrections for a traverse.Open calculator
Construction Staking & Building Layout
- Station and Offset Point CalculatorConvert a design station and signed right offset into project-grid coordinates.Open calculator
- Point Stakeout Delta CalculatorReport the plan and elevation movement from an observed point to its design point.Open calculator
- Reference Line and Offset Stake CalculatorPlace a point from a baseline start using along-line and signed offset distances.Open calculator
- Building Grid Coordinate GeneratorGenerate a rectangular building-grid corner from orthogonal grid spacings and indices.Open calculator
- Column and Anchor Bolt Layout CalculatorCalculate symmetric bolt offsets and diagonal checks around a column center.Open calculator
- Batter Board and Stringline Layout CalculatorExtend orthogonal building lines beyond an excavation and report board control coordinates.Open calculator
- Slope Stake Catch Point CalculatorSolve a simple catch-point run from a vertical difference and entered slope ratio.Open calculator
- Cross Section Stake Schedule CalculatorCalculate evenly spaced cross-section stations across an alignment interval.Open calculator
- Design Elevation and Cut Fill Stake CalculatorCompare observed ground with design elevation using an explicit cut-positive convention.Open calculator
- As Built Deviation and Tolerance Report CalculatorCompare one as-built coordinate with design and an entered plan tolerance.Open calculator
Horizontal & Vertical Alignments
- Simple Circular Curve CalculatorCalculate standard elements of a simple circular curve.Open calculator
- Horizontal Curve Stakeout CalculatorCalculate chord and middle ordinate for an equal-angle curve stakeout interval.Open calculator
- Arc Through Three Points CalculatorReport radius and central angle from a chord and middle ordinate.Open calculator
- Station and Offset on Horizontal Alignment CalculatorResolve a point relative to a straight alignment origin.Open calculator
- Offset Curve CalculatorCalculate the radius and arc length of a concentric offset curve.Open calculator
- Vertical Curve Elevation CalculatorCalculate elevation on an equal-tangent parabolic vertical curve.Open calculator
- Vertical Curve High Low Point CalculatorLocate the zero-grade point on a parabolic vertical curve.Open calculator
- Station Equation and Chainage CalculatorApply a station equation while preserving the physical location.Open calculator
Geodetic & Coordinate Systems
- Geodetic Inverse CalculatorEstimate ellipsoidal-scale distance and initial bearing between nearby latitude/longitude positions.Open calculator
- Geodetic Forward CalculatorProject a point by distance and initial bearing on a reference sphere.Open calculator
- Geodetic ECEF Coordinate ConverterConvert geodetic latitude, longitude and ellipsoid height to WGS 84 ECEF coordinates.Open calculator
- Latitude Longitude and UTM ConverterIdentify the standard UTM zone and central meridian for a latitude/longitude position.Open calculator
- Orthometric and Ellipsoid Height CalculatorRelate ellipsoid height, orthometric height and geoid undulation.Open calculator
- Grid to Ground Combined Scale Factor CalculatorRelate grid and ground distance using entered grid and elevation factors.Open calculator
Areas, Volumes & Survey QA
- Survey Coordinate Area and Perimeter CalculatorCalculate a rectangular coordinate-area check from two extents.Open calculator
- Area Subdivision CalculatorDivide a surveyed area by target area or proportion.Open calculator
- Survey Cross Section Area CalculatorCalculate cut or fill area by average depth across a measured width.Open calculator
- Prismoidal and Section Volume CalculatorCompare average-end-area and prismoidal volume between sections.Open calculator
- Stockpile Volume by Cross Sections CalculatorEstimate stockpile volume between two measured cross-sectional areas.Open calculator
- Stakeout Tolerance and QA Report CalculatorCompare horizontal and vertical stake deviations with entered project tolerances.Open calculator
- Check Shot and Control Verification CalculatorCompare a check shot against known control coordinates.Open calculator