how do you calculate the value of sweat equity in a house 
in homes or other types of construction sweat equity is based on the increase in a property s value that can be attributed to the owner s work which would otherwise be paid out to professional contractors for example if you buy a starter for 100 000 perform repairs and sell it for 150 000 your sweat equity would cost 50 000 less the cost of any tools materials or other expenses 