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Free woodworking calculators and spreadsheets


 

Dovetail Template Generator

This beginners dovetail template generator is an easy way to mark out, cut and practice your first hand cut dovetails!

A dovetail joint is a woodworking joinery technique. A series of pins cut to extend from the end of one board interlock with a series of tails cut into the end of another board. These pins and tails have a triangular shape. When glued, the joint is permanent, requiring no mechanical fasteners.
Dovetail joints can be cut by hand or by machine, often with an electric router, using one of a range of available jigs or templates. Hand cut dovetails can often be distinguished from machine cut dovetails by the width of the pins. It is possible to have pins that are almost triangular when cut by hand that are not possible when cut with a router.

Use this dovetail template designer to get a visual idea of possible combinations of tail and pin layouts. Print templates, fold over end of wood and either mark or cut through the paper to form tails and pins
Metric Dovetail Template Generator

English Dovetail Template Generator

Metric Radial Dovetail Template Generator

English Radial Dovetail Template Generator

Metric Twisted Dovetail Template Generator

English Twisted Dovetail Template Generator


 

Stairs Calculator
  • Calculate and print stair plans online.
  • Easy to use visual stair designer.
  • Rise, run, stringer, headroom, baluster.
  • Metric and English
  • Free online
Stairs Metric Calculator

Stairs English Calculator

 

Roof Framing Calculators

Hip and Gable roof framing layout plans - Rafters, hips, ridge, Creeper Rafters. Design Draw and Print Hip and Gable Roof Framing Plans Online.

Hip Metric Calculator

Hip English Calculator

Gable Metric Calculator

Gable English Calculator



Gazebo Calculator

Calculate Gazebo Plans - Design multi sided Gazebo Layout online
Floor Plan

  • Outer Circle Area
  • Outer Circle Circumference
  • 6 Sided Hexagon Area
  • Triangle Section Area
  • Triangle Section Center length
  • Centers Around Circumference
  • Side Lengths
Roof Plan
  • Roof height above plate
  • King Post radius
  • King Post face width
  • Roof angle steeper than hip rafter angle
  • Roof angle
  • Hip Rafter angle
  • Hip Rafter length
  • Center Nogging Length
  • Center Nogging Side Cut Angle
  • Half Rafter Length
  • Roof Segment Outer Width
  • Roof Segment Center Length
  • Roof Segment Sides Length
  • Roof Segment Inner Angle
  • Roof Segment Outer Angles
  • Roof Segment Area
  • Total Roof Area
Gazebo Calculator - English Units

Gazebo Calculator - Metric Units

 

Triangle - Trigonometry Solutions Calculators
  1. Triangle Solutions Menu
  2. Sides b and c Known
  3. Side c and Angle B Known
  4. Sides a and b Known
  5. Sides a and c Known
  6. Side a and Angle B Known
  7. Side a and Angle A Known
  8. Side c and Angle A Known
  9. Side b and Angle B Known
  10. Side b and Angle A Known
LINK

 

Engineering Shapes Weight Calculator

Automatic weight calculator for sheet, plate, tube, bar, and other engineering material shapes. Simply select the cross section from the list below. The page will refresh, then select a material OR enter a density, enter the appropriate dimensions, and click the "Calculate" button.
Engineering Shapes Weight Calculator

 

Unit of Measure Converter

This is an easy-to-use utility with which you can enter a value and unit of measure then convert the value into other units.
Unit of Measure Converter

 

Numerical Chameleon

The NumericalChameleon is a free, open source, platform-independent and localized software to convert units. It converts numbers with a precision of up to 1000 significant figures. It supports more than 3200 units in 82 categories, including not only all important physical units of categories like length, area, volume, electricity, magnetism, force, power, energy, pressure, mass, temperature, velocity, acceleration, radioactivity and time, but also exchange rates, timezones, spoken numbers (literally and by audio*), roman numbers, 35 radixes, bits&bytes, screen resolutions, colorcodes, unicodes, international dial codes, calendar and holiday calculations, phonetic alphabets and more. It provides a modern, dynamic and graphical user interface. You have unlimited access on all categories, units, icons, filters and themes. You can add, modify, hide or delete them.
The NumericalChameleon is released under the terms of GNU GPL.
Download page


 
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