Imperial to Metric Conversion Factors

If you have a familiar imperial amount and you want to see what it is in metric, multiply the imperial amount by the factor below:

cuyd to m³                                    0.76456

cuft to m³                                      0.028317

inches to mm                               25.40

lnft to meters                                0.30480

sqft to m²                                      0.09290

sqyd to m²                                    0.83613

lbs to kg                                       0.45359

tons to kg                                     907.180

cwt (hundredweights) to kg         45.35924

acres to hectares                         0.40469

squares (100 sqft) to m²                9.29030

gallons to liters                            3.7854

psi to kPa                                     6.89400 

psi to MPa                                    0.0068915    (concrete)

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