Directory Metric or Imperial

Stair Calculators - Full Plans

Stair Calculator
Headroom - Stair and Stringer Diagrams.
Spiral Stair Calculator
Baluster Spacing Calculator
Imperial   |   Metric
Wall Framing Calculator

Wall Framing Calculator


Calculate Wall Framing member placement,
sheet placement and quantities.

Imperial   |  Metric
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
Imperial   |  Metric



Deck Plan and Cost Calculator

Deck Cost and Plan Calculators
Deck Cost and Plan Calculators

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



Pitch to Angle Calculator

Pitch to Angle Converter


Convert between Pitch and Angle.
Animated Diagrams.

Rise in Run
Baluster Spacing
Fence Post and Panel Spacing
Baluster Spacing Calculator
Imperial   |  Metric
Gambrel Roof Geometry

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

Imperial   |  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.
Imperial   |  Metric



Kerf Spacing Calculator for Bending Wood

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


Kerf Spacing Calculator

Imperial   |  Metric
Segmented Turning Calculator

Calculate Segment Sizes for Woodturning.

Segmented Turning Calculator
Imperial   |  Metric



Linear ~ Square ~ Cubic Cost

Linear - Square - Cubic - Cost Calculators

Imperial   |  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.
Imperial   |  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


DON'T BREATH THE DUST If you're cutting 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

How should we spell it?



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

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All calculators on this site are geometric only.
Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.


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