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Natural Gas Conversions
Amount
?
Enter the value you want to convert.
Convert from
?
Cubic feet (ft3)
Hundred cubic feet (CCF)
Thousand cubic feet (MCF)
Cubic meters (m3)
Btu
MMBtu
Therms
Dekatherms (Dth)
Pick the unit you have now.
Convert to
?
Cubic feet (ft3)
Hundred cubic feet (CCF)
Thousand cubic feet (MCF)
Cubic meters (m3)
Btu
MMBtu
Therms
Dekatherms (Dth)
Pick the unit you want as the result.
Advanced options
Heat content (gas quality)
Heat content setting
?
US average (1,036 Btu per cubic foot)
Enter custom heat content
Use the default average for everyday conversions, or enter your own Btu per cubic foot if your bill shows a different factor.
Custom heat content (Btu per cubic foot)
?
Only used when you choose custom heat content. This lets the converter match a bill-specific or contract-specific factor.
Number display
Decimal places
?
0
1
2
3
4
5
Choose how many digits to show in the converted result.
Calculate
Calculating...
Converted amount
How it was converted
Assumption used
Common equivalents
Note
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Concrete Volume Calculator
Project shape
?
Choose the concrete shape that matches your project. The calculator will show only the dimensions needed for that shape.
Slab
Wall
Footing
Rectangular column
Round column
Measurement system
?
Results follow this choice automatically. Use US for feet and inches, or Metric for meters and centimeters.
US
Metric
Length (
ft
)
?
Use the longest horizontal side for slabs, walls, and footings.
Width (
ft
)
For a wall, width is not used. A wall uses length, height, and thickness.
Thickness or depth (in)
in
)
?
For slabs and footings, enter poured thickness. For columns and walls, use the cross-section size shown for that shape.
Height (
ft
)
Diameter (
ft
)
Column width (
ft
)
Column depth (
ft
)
Advanced options
Ordering and waste
Waste allowance (percent)
?
Extra concrete to cover spills, uneven base, and small measurement errors. Applied to the raw volume before bag or ready-mix ordering.
Purchase method
?
Choose whether you want the result expressed as ready-mix volume or as whole bag counts.
Ready-mix
Bags
Bag size (lb)
?
Used only in Bags mode. Bag yields are approximate and should be rounded up to whole bags.
40 lb
50 lb
60 lb
80 lb
Cost (optional)
Cost per cubic yard (USD)
?
If entered, the calculator estimates material cost using the selected purchase method.
Leave blank to skip cost. In Ready-mix mode, this is cost per cubic yard. In Bags mode, it is cost per bag.
Number display
Smart rounding
2 decimals
3 decimals
This changes how results are shown, not the math.
Calculate
Calculating...
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