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Inch or
The main Navigation tabs at top of each page are Metric - inputs in millimeters (mm)
For Inch versions, directly under the main tab is a smaller 'Inch' tab for the Feet and Inch version.
Drop Down Menus have M for Metric Versions.
by Image

Hip Roof Framing - Skillion - Gable

Lay out roof rafter ridge hip and creeper framing plans
Hips Ridge Commons Jacks - Lengths Angles Cuts and Template
Diagrams - Cut Templates - Setout Plans.
Rafter Calculator - Gambrel Geometry
Inch   |  Metric
Wall Framing Calculator

Wall Framing Calculator

Calculate Wall Framing member placement,
sheet placement and quantities.

Inch   |  Metric
Stair Calculators - Detailed Plans

Stair Calculator
Headroom - Stair and Stringer Diagrams.
Spiral Stair Calculator
Baluster Spacing Calculator
Inch   |   Metric

Deck Plan and Cost Calculator

Deck Cost and Plan Calculators
Deck Cost and Plan Calculators

Stumps, Bearers, Joists, Boards.
Spacings, Quantities, Costs.
Inch   |  Metric
Pulley - Belt - Rpm
Pulley Belt RPM Calculator
Inch   |  Metric

Pitch - Angle - Rise - Run Calculators

Pitch to Angle - Rise in Run
Convert between Pitch and Angle.
Measure Angles Directly from Device.
Speak Measured Angle.

Rise in Run
Baluster Spacing Calculator

Baluster Spacing Calculator
Calculate any Centers and Spacing with Quantities and Running Set-out Measurements

Inch   |  Metric
Gambrel Roof Geometry

Gambrel Roof Geometry
Gambrel Roof Framing Geometry
Rafter and Gusset Diagrams.

Inch   |  Metric

Concrete Rebar Calculator

Rebar Calculator

Rebar Spacing, Length and Weight.
Exact or evenly adjusted spacing,
with running placement mark out lists.
Circle Divider - Circle Math
Circle Divider
Pipe Notching Templates

Pipe Notching Templates
Print and cut pipe notching, miter and pipe through sheeting templates.
Inch   |  Metric

Gear Ratio + RPM to MPH/KPH Calculator
With Auto Shift and Tracer

Gear Ratio + RPM to MPH - KPH Calculator
Auto Shift and Tracer
Hit Auto Shift to run up through the gears recording shift point RPM and MPH/KPH.
Motorcycle Gearing
Circular Paving Calculator

Circular Paving Calculator with Full Scale Templates

Circular Paving Calculator with Full Scale Templates.
Rafter Calculator
Common Rafter Calculator
Common Rafter Calculator - Rafter Dimensions - Plumb Cuts - Birds-mouth Dimensions + Cutting Templates.

Kerf Spacing Calculator for Bending Wood

Calculate Kerf Spacing for bending wood
With printable full scale set out templates.

Kerf Spacing Calculator

Inch   |  Metric
Segmented Turning Calculator

Calculate Segment Sizes for Woodturning.

Segmented Turning Calculator
Inch   |  Metric

Linear ~ Square ~ Cubic Cost

Linear - Square - Cubic - Cost Calculators

Inch   |  Metric
Large Printable Text Templates

Printable text and number templates

Enter text or numbers, select font,
drag sliders to re-size + auto measure.

Print large text and number templates.
Dovetail Template Generator

Generate and print Dovetail joint templates online

Print, fold over end of wood and
cut through the template.
Inch   |  Metric

Interactive Visual Triangle Calculators

Interactive Visual Trigonometry Calculators

Find Triangle Side Lengths, Angles, Area etc with animated interactive diagrams. Click and drag to edit and calculate. No Math Required!
How to Lay Out a Square or Rectangle
Square Up

How to Lay Out a Square - Square Up
Enter 2 side lengths to draw diagram with
correct diagonal for square layout.
Print Cut & Fold Working Paper Sundials

Print cut and fold working paper sundials
Paper Sundials and full scale templates.

Horizontal Sundials Equatorial Sundials

Chain and Sprocket Calculator

Chain and Sprocket Calculator
Chain Length
Sprocket Centers
RPM & Gear Ratio
Chain Speeds
Chain and Sprocket Wear
Full Scale Rafter Cut Templates

Full scale rafter cut templates
Print - cut and fold over rafter to mark or cut.
Diminishing Lengths Calculator

Calculate Incremental Diminishing Lengths at Angle
Calculate Incremental Diminishing Lengths at Given Angle.

DON'T BREATH THE DUST If you're cutting blocks, concrete, stone or ANYTHING and there's DUST - DON'T TAKE THE RISK
Don't cut it, or cut it wet so there's NO DUST - Silicosis Sucks
And if you're cutting wet, wear a mask - theres dust in the spray mist too!

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Create PDF to print diagrams on this page. Help Printing Help (new window)

Copy all diagrams on this page to bottom of page - Make multiple copies to Print or Compare.

View page on Phone via QR Code (Not current calculation result)

Zoom out to fit large full scale template images on screen - or to adjust scale to match ruler held against screen
Zoom 100%

Zoom to adjust screen scale to actual size (measure full scale diagram with ruler) and hit 'Set' to set scale on other pages.

Click Slider to select then use keyboard cursor keys to fine tune.
Fine tune Sliders
Create and Print Full Scale PDFs with diagrams on this page (templates)

Copy all diagrams on this page to bottom of page - Make multiple copies to Print or Compare Results

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Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.

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