Convert square meters, square feet, acres, hectares and more.
Enter any value, choose both units and read the converted result instantly. Conversions run entirely in your browser using exact factor definitions — no rounding beyond sensible display precision.
The unit dropdowns include every supported unit for this dimension; popular pairs are just a click apart. Reverse any conversion by swapping the From and To units.
Unit factors are defined constants where standards exist (e.g., inch = exactly 25.4 mm), so results are as exact as floating-point display allows.
Yes — either pick reversed units or use the swap button on the result card.
Convert meters, feet, inches, miles, kilometers and more instantly.
Convert kilograms, pounds, ounces, stones and tons in one step.
Convert liters, gallons, cups, milliliters and cubic units instantly.
Convert km/h, mph, m/s, knots and ft/s with precision.
Convert bytes, KB, MB, GB, TB and bits — binary and decimal bases handled correctly.
Estimate monthly mortgage payments including principal, interest, taxes and insurance for any home price.