Calculate the volume of a space in cubic meters, from length, width and height, entered in whichever units are most convenient for you.
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This calculator converts each of your length, width and height entries to feet internally, multiplies them for a volume in cubic feet, then converts to cubic meters using the standard factor of 1 cubic foot = 0.0283168 cubic meters. Cubic feet and cubic yards are shown alongside for convenience.
Cubic meters is the standard metric unit for volume used throughout most of the world outside the US, common for shipping container capacity, concrete and bulk material orders in metric countries, and general construction specifications where metric units are standard.
For a space 3 meters long, 3 meters wide and 0.3 meters deep: converting each to feet internally (1 m ≈ 3.28084 ft) and multiplying gives about 95.35 cubic feet, which converts back to exactly 2.7 cubic meters (95.35 × 0.0283168 ≈ 2.7), matching the straightforward metric check of 3 × 3 × 0.3 = 2.7 cubic meters.
Assuming a fully metric calculation path avoids any rounding quirks, this calculator converts every dimension to feet internally first, then to cubic meters at the end, so extremely precise metric-to-metric conversions may show tiny rounding differences from a direct metric calculation.
Forgetting each dimension has its own independent unit selector, entering all dimensions in feet or inches still produces an accurate cubic meter result, there's no need to pre-convert to metric yourself.
Not double-checking unit selections when a result looks unexpectedly large or small, mixing up meters and centimeters for even one dimension is a common source of results off by a factor of 100.
Yes, each dimension has its own unit selector independent of the others, so you can enter measurements in feet, inches or yards and still get an accurate cubic meter result, this calculator handles the conversion for you.
All three use the exact same underlying volume calculation and show all three units every time, this page simply highlights cubic meters as the primary result, useful if that's the unit you specifically need for a metric-based order or specification.
1 cubic foot equals exactly 0.0283168 cubic meters, the standard, internationally recognized conversion factor, applied after this calculator computes your volume in cubic feet from the dimensions you entered.
Cubic Yard Calculator
Calculate volume in cubic yards from length, width and height, in any units.
Cubic Feet Calculator
Calculate volume in cubic feet from length, width and height, in any units.
Square Footage Calculator
Calculate the area of a rectangular, circular or triangular space.
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