Top 7 Slide Rule Calculator – Construction Rulers

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1. SuperCool Slide Rule Charging & Duct sizing

#ad

SuperCool Slide Rule by SuperCool Slide Rule

#adSuperCool Slide Rule Charging & Duct sizing #ad - Superheat & subcooling charging of both R410a and R22. Duct calculator that calculates CFM of Metal and Flex Duct. 1 training tool used by Colleges, Universities and Training Centers. Pressure drop and sizing for - Rectangular Metal, Round Metal, AND Round Vinyl Flex. Access to approximately 100 free tutorials by scanning the QR code on the tool.

Brand	SuperCool Slide Rule Charging & Duct sizing #ad
Manufacturer	DesignStein LLC #ad
Height	6 Inches
Length	9 Inches
Width	0.1 Inches
Part Number	4920570

2. concretesliderules.com

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Concrete Estimator Slide Ruler 300 Yard Volume Calculator

#adconcretesliderules.com #ad - This slide will calculate quantities up to 200 yards. Calculates quantity of concrete required to fill a rectangular or round area. Great christmas gift for the contractor in your life!! Very easy to use. Calculates concrete required to fill cylinders and piers.

Brand	concretesliderules.com #ad
Manufacturer	constructionsliderules.com #ad
Height	0.13 Inches
Length	8 Inches
Width	1.5 Inches
Part Number	8541735867
Model	conccalc300a

3. Midori Way

#ad

Midori CL Slide Ruler Clear 42260006

#adMidori Way #ad - Model: 42260006. Midori slide ruler, cl slide ruler clear. Thickness measurable slide ruler from fancy Japanese stationary Brand Midori design fill, a few other colors are available for the line-up.

Brand	Midori Way #ad
Manufacturer	NaSh-Design #ad
Height	1.65 Inches
Length	6.3 Inches
Width	0.28 Inches
Part Number	42260006
Model	42260006

4. SLIDES INC

#ad

Concrete Estimator Slide Ruler 200 Yard Volume Calculator

#adSLIDES INC #ad - Very easy to use. Calculates concrete required to fill cylinders and piers. This slide will calculate quantities up to 200 yards. Great christmas Gift for the contractor in your life!! Calculates quantity of concrete required to fill a rectangular or round area.

Brand	SLIDES INC #ad
Manufacturer	constructionsliderules.com #ad
Height	0.13 Inches
Length	8 Inches
Width	1.5 Inches
Model	conccalc200a

5. Johnson Level & Tool

#ad

Johnson Level & Tool # 7203 Stainless Steel Pocket Rule with inch 1/64”and mm/metric graduations

#adJohnson Level & Tool #ad - Conversion tables on back of blade. Pocket clip for convenient storage. 1 year warranty: johnson level warrants this product against defects in material and workmanship for one year after the confirmed purchase date. Stainless steel blade with etched increments. At its option, the company will replace or repair the product if it fails under normal use.

Brand	Johnson Level & Tool #ad
Manufacturer	Johnson Level & Tool #ad
Height	0.1 Inches
Length	8.2 Inches
Weight	0.01 Pounds
Width	2 Inches
Part Number	7203-J
Model	7203

6. SLIDES INC

#ad

Construction Sliderule Volume Calculator Set of 6pcs

#adSLIDES INC #ad - Easy to use!! great christmas gift for the contractor in your life!! Concrete estimator 200 and 300 yards, sand, Cinder Block Estimator, Brick Estimator, asphalt Estimator, Gravel and Crushed Stone Estimator. Six different slide rule calculators included in set.

Brand	SLIDES INC #ad
Height	0.13 Inches
Length	7 Inches
Width	1.5 Inches
Model	calcset7

7. SLIDES INC

#ad

Asphalt Sliderule Calculator Estimator

#adSLIDES INC #ad - Calculates quantity of asphalt needed to cover an area. Great christmas gift for the contractor in your life!! Made in usa!!!! just enter in width, length and depth of area. Very easy to use.

Brand	SLIDES INC #ad
Height	0.13 Inches
Length	8 Inches
Width	1.5 Inches