Home
Menu
Please help support us Tell friends and colleagues about our apps!



Concrete
Volume + Rebar 		Rebar Spacing
and Quantity 		Concrete
Pre Mix Bags 		Concrete Columns
and Footings 		Concrete Cutting
Weights ~ Sizes 		Core Drill Angles
Floor AND Wall 		Core Drill Angles
Floor OR Wall
Inch Inch Inch Inch Inch Inch Inch

Cylindrical Columns or Footings
Cylindrical column concrete calculator

Columns
Diameter
Column Length
Bag Weight

Calculated at 2160 kg per 1m³
Allow extra for waste.

Square Columns or Footings
Square column concrete calculator

Columns
Width
Thick
Column Length
Bag Weight

Calculated at 2160 kg per 1m³
Allow extra for waste.



Pre-Mix Concrete Bag Calculator Calculated at 2160 kg per 1m³ - Allow extra for waste

Cubic Metres
Bags

?
If you need to take full scale measurements directly from your monitor, adjust the size of the diagrams on screen to match a ruler. Does not affect printed sizes. Use keyboard Cursor Keys to fine tune as you adjust scale.
Adjust scale of diagrams to measure 100% scale on screen with a ruler.

Tap to Transfer this page to Phone via

All Inch inputs and dimensions are actual physical finished sizes
?
Select output Fraction Precision then Re-Calculate to display.
Fraction Precision
Lumber
?
Selected value is automatically copied to clipboard. Select then Paste into text box.
Prec…
0


Built something using our calculators?   Please Send Photos!
and a description for our Examples list.

(diagrams on this page)

How to Print Large Templates over multiple pages.
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 - there's dust in the spray mist too!




How should we spell it?
Results


Many of our calculators can be used for multiple purposes.
If you find a use for a particular calculator in a field not directly related to the name or description of the calculator, or have suggestions for new calculators or improvements to existing ones, Please Let us Know!
Next Calculator ? LET US KNOW !

And if you find the site useful, please Tell a Friend!

If you've benefited from this free service please consider supporting
Blue Dragon Children's Foundation


blocklayer.com logo

Reviews and Examples

?
Create PDF with all diagrams on this page for printing


App Directory

X Remove This Margin

Built something using this site?
Please Send Photos!
and description.




Calculator



Print Help Help


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


Share Print this Page


X Remove This Margin

Please help us support
Blue Dragon
Children's Foundation
Blue Dragon Childrens's Foundation

Reviews and Examples
Page
1 		Page
2
Page
3 		Page
4
Contact Us

blocklayer.com logo

Online Calculators and Printable Full Scale Template Generators for
Construction - DIY - Remodeling - Metalwork - Crafts - Automotive - Mechanical

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

Terms of Service & Disclaimer  |  Privacy & Cookie Policy

Copyright © 1979 - 2026 Greg Tarrant - blocklayer.com