Material Reference Tables & Charts

Standardized dimensional tables, packaging yields, linear weight schedules, and building code tables compiled from ASTM, ACI, and IRC standards. Use our standalone engineering charts or browse the interactive database below.

Dedicated Engineering Reference Tables

ASTM A615

Rebar Weight Chart

Bar sizes #3–#18 with lb/ft and kg/m linear density

ASTM C387

Concrete Bag Yield Chart

Yields and bag counts for 40, 50, 60, and 80 lb bags

IS / ACI

Concrete Mix Ratio Chart

Volumetric batching from M5 to M25 structural grades

ACI 308R

Concrete Cure Time Chart

Strength gain timeline from 24h to 28d + temperature impacts

NIST PS 20

Lumber Size Chart

Nominal vs actual dressed (S4S) dimensions & board foot formulas

IRC R507.6

Deck Joist Spacing Chart

Allowable joist spans for 2x6–2x12 at 12″, 16″, and 24″ O.C.

IRC Chapter 9

Roof Pitch Chart

Slope ratios (1:12 to 18:12), angles in degrees & rafter multipliers

ASTM C29

Gravel Weight Chart

Bulk densities and tons per cubic yard across 8 aggregate grades

ASTM C216

Brick Size Chart

Modular, standard, queen, king & metric masonry dimensions

PDCA

Paint Coverage Chart

Square foot coverage per gallon by surface texture & primers

UNITS:

Concrete Bag Size & Yield Reference (ASTM C387)

6 specs

Dry batch weight, mixed plastic yield, and required bags for 1 cubic yard (27 ft³) and 1 cubic meter.

Launch Slab Engine

Bag Size & Type	Yield / Bag (ft³)	Yield / Bag (m³)	Bags / 1 yd³	Bags / 1 m³	Actions
80 lb (US Standard)	0.60 ft³	0.017 m³	45 bags	59 bags	Calc
60 lb (Medium DIY)	0.45 ft³	0.013 m³	60 bags	78 bags	Calc
50 lb (Fast-Setting)	0.375 ft³	0.011 m³	72 bags	94 bags	Calc
40 lb (Lightweight/Patch)	0.30 ft³	0.0085 m³	90 bags	118 bags	Calc
25 kg (UK / AU / EU)	0.42 ft³	0.012 m³	64 bags	83 bags	Calc
50 kg (South Asia Sacks)	1.25 ft³	0.035 m³	21.6 bags	28.5 bags	Calc

Lumber Dimensional Chart (Nominal vs. Actual S4S)

7 dimensions

Surfaced Four Sides (S4S) standard dimensional softwood framing lumber sizes.

Launch Framing Engine

Nominal Size	Actual Size (Inches)	Actual Size (Metric)	Common Framing Application	Actions
2 × 4	1½″ × 3½″	38 × 89 mm	Interior wall studs, plates, rafters, trusses	Calc
2 × 6	1½″ × 5½″	38 × 140 mm	Exterior load-bearing studs, floor joists, rafters	Calc
2 × 8	1½″ × 7¼″	38 × 184 mm	Deck joists, heavy floor framing, roof rafters	Calc
2 × 10	1½″ × 9¼″	38 × 235 mm	Floor beams, rim joists, stair stringers	Calc
2 × 12	1½″ × 11¼″	38 × 286 mm	Structural headers, long-span floor joists	Calc
4 × 4	3½″ × 3½″	89 × 89 mm	Fence posts, guardrail corner posts, deck posts	Calc
6 × 6	5½″ × 5½″	140 × 140 mm	Deck support posts, structural timber columns	Calc

Rebar Size, Weight & Diameter Schedule (ASTM A615)

6 bar sizes

Standard bar designations, nominal diameters, and unit linear weight schedule.

Launch Rebar Grid Tool

Bar Designation	Nominal Diameter (in)	Nominal Diameter (mm)	Weight (lb / ft)	Weight (kg / m)	Actions
#3 (10M Metric)	0.375″ (3/8″)	9.5 mm	0.376 lb/ft	0.560 kg/m	Calc
#4 (Most Common / 13M)	0.500″ (1/2″)	12.7 mm	0.668 lb/ft	0.994 kg/m	Calc
#5 (Heavy Footings / 16M)	0.625″ (5/8″)	15.9 mm	1.043 lb/ft	1.552 kg/m	Calc
#6 (Commercial Walls / 19M)	0.750″ (3/4″)	19.1 mm	1.502 lb/ft	2.235 kg/m	Calc
#7 (Heavy Infrastructure / 22M)	0.875″ (7/8″)	22.2 mm	2.044 lb/ft	3.042 kg/m	Calc
#8 (1-Inch Column Rebar / 25M)	1.000″ (1″)	25.4 mm	2.670 lb/ft	3.973 kg/m	Calc

Roof Pitch to Slope Factor & Angle Reference Chart

7 pitches

Rise-over-run slope multipliers (Secant angle) used to calculate actual pitched roof surface area.

Launch Roof Pitch Tool

Roof Pitch	Slope Multiplier	Rake Angle (°)	Standard Roofing Requirement	Actions
2 / 12	1.014×	9.46°	Low slope (requires double underlayment / membrane)	Calc
3 / 12	1.031×	14.04°	Minimum slope for standard shingles with ice shield	Calc
4 / 12	1.054×	18.43°	Standard conventional residential ranch roof	Calc
6 / 12	1.118×	26.57°	Common residential roof (walkable pitch)	Calc
8 / 12	1.202×	33.69°	Steep slope (requires roof staging brackets)	Calc
10 / 12	1.302×	39.81°	High-pitch colonial / craftsman architecture	Calc
12 / 12	1.414×	45.00°	45-degree gable pitch (requires harness tie-off)	Calc