Cubic Feet by Use Case
23 project-specific calculators that turn cubic feet into the answer you actually need — bag counts, truck sizes, gallons, and tons.
Construction
Concrete pours, slabs, and footings — convert cubic feet to bags or yards.
Landscaping
Soil, mulch, gravel, sand, and rock — get bag counts and tons by weight.
Calculate cubic feet of soil for any garden, raised bed, or pot. Get bag count and yards.
Calculate cubic feet of mulch and convert to standard 1, 1.5, and 2 ft³ bag counts.
Calculate cubic feet of gravel and convert to tons for ordering by weight.
Calculate cubic feet of sand for sandboxes, paver bases, and projects.
Estimate cubic feet of dirt or topsoil for fill, leveling, and grading.
Calculate cubic feet of landscape rock or river rock and estimate weight.
Calculate cubic feet of soil needed for any size raised garden bed.
Materials
Lumber, firewood, and bulk materials — cubic feet, board feet, and weight.
Liquid
Water, swimming pools, ponds — cubic feet to gallons.
Moving & Storage
Truck sizing, container loading, and storage unit capacity.
Appliances
Refrigerator, freezer, oven, microwave, and laundry capacity in cubic feet.
Measure the interior cubic feet of any refrigerator from inside dimensions in inches.
Calculate the interior cubic feet of chest or upright freezers from inside measurements.
Measure the interior capacity of a microwave in cubic feet.
Calculate the drum capacity of a washing machine or dryer in cubic feet.
Measure interior oven capacity in cubic feet from inside dimensions.
Audio
Subwoofer enclosure internal volume calculations.
Home
Sauna heater wattage, greenhouse air volume, raised bed soil, and more.
How to pick the right calculator
Each use-case calculator starts from cubic feet but answers a different practical question. Picking the right one saves you a step:
- Buying a material in bags? Use a use-case calculator (concrete, mulch, soil) — it gives you bag counts directly.
- Buying a material by weight? Try gravel or sand — both convert to tons.
- Sizing a vehicle or container? Moving, shipping, and storage unit calculators handle the practical sizing.
- Comparing appliance specs? Refrigerator, freezer, and oven pages explain how manufacturers measure interior volume.
For pure shape calculations without a project context, see the rectangular, cylinder, or irregular shape calculators.
Reference guides
Step-by-step guide to calculating cubic feet for any shape, in any unit, with worked examples.
OpenReference guide of cubic feet formulas for cuboids, cylinders, spheres, cones, prisms and more.
OpenPrintable conversion chart between cubic feet and every common volume unit.
OpenThe most common cubic feet calculation errors and how to fix them.
Open