Welcome to Builder’s Calculator!


Here you can find tools and resources to help take the headache out of your next building project:

Calculators and Tools

logs on truck

Log Weight Calculator for Any Wood Species

This log weight calculator will estimate the weight and density of any species and any size green (freshly cut) log ...
board foot

Board Foot Calculator for Lumber

The board foot calculator below will calculate the board feet and volume (cubic ft) of any piece or pieces of ...
wall r value cross section

Wall R-Value Calculator for Wood Framed Walls

This wall R-value calculator will estimate the total effective R-value for any wood stud framed wall. Assumptions: The wall is ...
height of outlet over counter

Standard Heights for Light Switches, Outlets & More

Here you can find standard heights for light switches, outlets, countertops, vanities, showerheads and shower valves, tables, stools, wall sconces, ...
post hole diagram cross section

Post Hole Calculator for Concrete Embedded Posts

With this post hole calculator you can estimate the diameter, depth, and amount of concrete/gravel needed for post installation. To ...
plywood factory

Plywood Weight Calculator for CDX, OSB & More

The plywood weight calculator below will help estimate the total weight of any size and any type of plywood product ...
whitewood lumber

Lumber Weight Calculator for Any Wood Species

The lumber weight calculator below will estimate the weight, specific gravity, and density of any species of wood. To calculate ...
boulder wall

Boulder Wall Calculator for Retaining Walls

With the boulder wall calculator below you can estimate the tons of boulders needed for a boulder retaining wall. You ...
gallery hanging measurements

Picture Hanging Calculator with Gallery Spacings

This picture hanging calculator will give you the locations where the nail(s)/screw(s) should be fastened on the wall. It will ...
ceiling fan diagram

Ceiling Fan Downrod Length Calculator

With this ceiling fan downrod length calculator you can estimate the minimum and maximum size downrod needed for your ceiling ...


abs vs pvc pipe

ABS vs PVC Pipe – Pros and Cons

ABS (acrylonitrile butadiene styrene) and PVC (polyvinyl chloride) are both plastics used as drain pipes, waste lines, and vent pipes ...
thread anatomy

Thread Types – Bolts, Pipes, Hoses and More

When purchasing a threaded pipe, hose or a bolt/screw of any sort, the many thread types can be overwhelming. Here's ...
plain steel bolts

Galvanized vs Zinc Plated Steel

When talking about galvanized vs zinc-plated steel, most often people are actually referring to hot-dipped galvanized steel and zinc-plated steel ...
toilet rough in distance and clearances

Toilet Rough In Distance and Clearances

In general, the toilet rough-in distance is 12" from the center of the toilet flange to the back wall for ...
15A circuit breaker spec sheet

What are the Max Watts on a 15/20 Amp Circuit?

What are the max watts on a 15 amp circuit or 20 amp circuit before the breaker will trip? Let's ...

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