Calculator category
Machining & Metalwork Calculators
Use 72 shop tools for cutting data, milling, turning, drilling, threads, metrology, tolerances, stock purchasing, cycle time, capacity, and quoting. Use this collection when use 72 shop tools for cutting data, milling, turning, drilling, threads, metrology, tolerances, stock purchasing, cycle time, capacity, and quoting. Start with the calculator matching the values you possess, then use related tools to verify or extend the result.
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Machining & Metalwork topics
Select a topic to reveal its calculators. Multiple topics can remain open at the same time.Machining & MetalworkUse 72 shop tools for cutting data, milling, turning, drilling, threads, metrology, tolerances, stock purchasing, cycle time, capacity, and quoting.72 available
Speeds, Feeds & Machine Limits
- Speeds and Feeds CalculatorCalculate spindle speed, programmed feed and chip load from entered cutting data, then compare optional machine limits.Open calculator
- Spindle Speed CalculatorConvert entered cutting speed and diameter to spindle RPM in metric or imperial shop units.Open calculator
- Cutting Speed CalculatorCalculate surface cutting speed from measured RPM and rotating diameter.Open calculator
- Machining Feed Rate CalculatorCalculate linear feed from spindle RPM, effective cutting edges and feed per tooth or revolution.Open calculator
- Feed per Tooth CalculatorReverse-calculate achieved chip load from measured table feed, spindle speed and effective flutes.Open calculator
- Machine-Limited Cutting Data CalculatorReconcile a desired cutting speed/chip load with machine RPM and feed limits without silently exceeding either limit.Open calculator
- Radial Chip-Thinning CalculatorAdjust programmed feed for reduced radial engagement using a disclosed straight-flute engagement approximation.Open calculator
- Ball-Nose Effective Diameter CalculatorCalculate the effective cutting diameter and surface speed at an entered axial depth on a ball-nose tool.Open calculator
Milling
- Milling Material Removal Rate CalculatorCalculate milling material-removal rate and optional removed volume from axial depth, radial width, table feed and elapsed cutting time.Open calculator
- Milling Power and Torque CalculatorEstimate net cutting power and spindle torque from MRR geometry, entered specific cutting force and drivetrain efficiency, with selected-unit outputs.Open calculator
- Milling Pass and Machining-Time CalculatorCalculate required passes, travel per pass and cutting time from stock width, effective pass coverage, overtravel and feed.Open calculator
- Face-Milling Time CalculatorEstimate face-milling passes and time using cutter diameter for initial coverage, entered stepover for each additional pass, optional approach and feed.Open calculator
- Slot-Milling Time CalculatorCalculate slot passes, total feed travel and cutting time from slot depth, axial depth per pass and feed.Open calculator
- Ball-Nose Scallop Height CalculatorSolve either theoretical scallop height from stepover or maximum stepover from a target scallop on a ball-nose cutter.Open calculator
- Helical Entry CalculatorCalculate helix circumference, path length, revolutions and vertical pitch for a helical ramp.Open calculator
- Circular Interpolation CalculatorCalculate tool-center path diameter, circumference and feed time for internal or external circular milling.Open calculator
- Thread-Milling Centerline CalculatorCalculate nominal thread-mill centerline diameter and feed correction for an internal or external thread path.Open calculator
Turning & Lathe Work
- Turning Material Removal Rate CalculatorCalculate turning MRR and optional removed volume from cutting speed, radial depth, feed per revolution and elapsed cutting time.Open calculator
- Turning Machining-Time CalculatorCalculate longitudinal turning passes, feed travel and time at constant entered RPM.Open calculator
- Lathe Facing Time CalculatorEstimate constant-RPM facing time from outer/inner diameters, feed per revolution and approach allowance.Open calculator
- Lathe Taper CalculatorCalculate taper per length, included angle and compound-rest half angle from large diameter, small diameter and axial length.Open calculator
- Turning Surface Finish CalculatorEstimate ideal geometric turning roughness from feed per revolution and tool nose radius, or reverse-solve feed for a target Ra.Open calculator
- Constant Surface Speed WorksheetCalculate CSS RPM independently at two entered diameters and cap each against a visitor-entered spindle limit.Open calculator
- Parting and Grooving Time CalculatorEstimate radial cutting travel and time for parting or grooving at constant entered RPM.Open calculator
- Knurling Blank Diameter CalculatorCalculate a trial blank diameter from nominal finished diameter, circular pitch and a selected whole tooth count.Open calculator
Drilling, Tapping & Threads
- Drill Point and Through-Travel CalculatorCalculate drill-point height and total programmed travel needed to break the full diameter through a workpiece.Open calculator
- Drilling Time CalculatorEstimate feed time for one or many holes from total drill travel, RPM and feed per revolution.Open calculator
- Peck-Drilling Schedule CalculatorCreate an equal maximum-depth peck schedule and estimate optional added retract distance without generating machine code.Open calculator
- Countersink and Chamfer Depth CalculatorCalculate axial depth for a conical countersink or diameter change from included angle.Open calculator
- Counterbore Remaining-Wall CalculatorCheck counterbore depth against material thickness and compare it with an optional nonnegative drawing/process maximum.Open calculator
- Tapping Feed CalculatorCalculate rigid-tapping feed from RPM and thread lead, including multi-start threads.Open calculator
- Tap Drill Size CalculatorEstimate a starting cut-tap or form-tap drill diameter from major diameter, pitch/TPI and visitor-entered target thread percentage.Open calculator
- Thread Pitch, TPI and Lead ConverterConvert pitch and TPI, then calculate lead for single- or multi-start threads.Open calculator
- Thread Helix Angle CalculatorCalculate lead angle at an entered pitch diameter for single- or multi-start threads.Open calculator
- Hole Pattern Drilling-Time CalculatorCombine hole count, drilling travel/feed and entered index/tool-change time into a batch cycle estimate.Open calculator
Shop Geometry & Metrology
- Bolt Circle Coordinate CalculatorGenerate hole-center coordinates for a bolt circle from signed center coordinates, diameter, hole count and start angle.Open calculator
- Linear Hole Pattern CalculatorGenerate an endpoint-aware coordinate schedule for equal-pitch holes along a signed coordinate line.Open calculator
- True Position CalculatorCalculate diametrical true position from signed X/Y deviations and compare it with an optional nonnegative positional tolerance.Open calculator
- Bonus Tolerance CalculatorCalculate available bonus tolerance at actual mating-envelope size for a hole or shaft and add it to entered MMC geometric tolerance.Open calculator
- Sine Bar CalculatorSolve required gauge-block stack from 0° to below 90°, or solve angle from a nonnegative stack below the roller center distance.Open calculator
- Polar and Cartesian Coordinate ConverterConvert a shop-layout point between Cartesian X/Y and polar radius/angle without prescribing a controller format.Open calculator
- Coordinate Rotation CalculatorRotate a measured/programmed XY point about an entered signed center by a signed angle.Open calculator
- Three-Point Circle CalculatorSolve a circle center and diameter through three measured non-collinear XY points.Open calculator
- Tram Error CalculatorConvert indicator difference across a known sweep diameter into angular error and rise per entered reference length.Open calculator
- Thermal Dimensional Change CalculatorCalculate signed thermal growth or contraction from original dimension, coefficient and temperature change.Open calculator
Fits, Tolerances & Inspection
- Clearance and Interference Fit CalculatorCalculate minimum/maximum clearance or interference from entered hole and shaft limit sizes.Open calculator
- Limit Dimensions CalculatorConvert nominal size plus bilateral or unilateral deviations into nonnegative upper/lower limits, midpoint and total tolerance.Open calculator
- Worst-Case Tolerance Stack CalculatorSum signed nominal contributors and absolute bilateral tolerances for a worst-case assembly range.Open calculator
- RSS Tolerance Stack CalculatorCalculate root-sum-square assembly tolerance from up to 200 independent centered bilateral component tolerances, alongside worst case.Open calculator
- Process Capability Cp Cpk CalculatorCalculate Cp and Cpk from specification limits, process mean and entered within-process standard deviation.Open calculator
- Gauge Resolution Ratio CalculatorCompare gauge resolution with drawing tolerance and report the number of resolution increments across the tolerance band.Open calculator
- Inspection Sample Average and Range CalculatorSummarize 2 to 200 repeated measurements with mean, range and sample standard deviation.Open calculator
- Go No-Go Gauge Limit CalculatorCalculate a visitor-defined gauge-size worksheet from workpiece limits and explicitly entered gauge-maker allowances.Open calculator
Stock, Weight & Purchasing
- Metal Plate Weight CalculatorCalculate plate volume, per-piece mass, batch mass and optional material cost in selected shop units.Open calculator
- Round Bar Weight CalculatorCalculate solid round-bar mass and optional batch cost from diameter, cut length and entered density.Open calculator
- Hollow Tube Weight CalculatorCalculate round-tube metal volume and mass from outside diameter, wall thickness, length and density.Open calculator
- Rectangular Tube Weight CalculatorCalculate rectangular/square tube mass from outside dimensions, uniform wall, length and entered density.Open calculator
- Hex Bar Weight CalculatorCalculate regular hexagonal bar volume, mass and optional batch cost from across-flats size.Open calculator
- Ring and Washer Blank Weight CalculatorCalculate annular blank volume and mass from OD, ID, thickness, density and quantity.Open calculator
- Bar Cut and Kerf PlannerCalculate feasible equal-length cuts per stock bar, whole bars, purchased length and offcut without charging kerf after the final retained cut.Open calculator
- Buy-to-Fly and Material Yield CalculatorCompare purchased stock mass with finished-part and recoverable chip/scrap mass for material planning.Open calculator
- Coolant Concentration Mix CalculatorCalculate concentrate and water additions for a fresh batch from total volume and target volume percentage.Open calculator
Cycle Time, Costing & Production
- Machining Cycle Time CalculatorCombine cutting, rapid, tool-change, probing and load/unload time into one part cycle and batch requirement.Open calculator
- Multi-Operation Route Time CalculatorSum operation setup and per-piece cycle rows into total route time for a batch.Open calculator
- Machine Hourly Cost CalculatorBuild a loaded productive machine-hour rate from annual ownership, labor, overhead, consumables and productive hours.Open calculator
- Machining Job Quote CalculatorBuild material, setup, runtime, tooling and outside-process cost, then apply overhead and profit markup without hiding the cost basis.Open calculator
- Tool Life Cost per Part CalculatorAllocate tool/insert cost across usable edges and parts per edge, including an optional paired tool-change time/rate branch.Open calculator
- Batch Setup Cost Allocation CalculatorAllocate paired setup hours/rate plus optional fixture/programming cost over batch quantity.Open calculator
- Production Capacity CalculatorCalculate gross and good-part capacity from cycle time, available hours, utilization and first-pass yield.Open calculator
- Scrap and Rework Cost CalculatorCalculate expected good, scrap and rework quantities plus entered incremental costs and signed scrap disposal cost or recovery credit.Open calculator
- Actual vs Estimated Cycle TrackerCompare planned and observed cycle time and, when both are entered, setup time; calculate batch variance with an equality-safe status.Open calculator
- Tooling Break-Even CalculatorCompare current and proposed tooling using purchase cost plus cycle-time cost to solve break-even quantity, including a zero-cost proposed option.Open calculator