Count text height

iPhone SDK Tips & Tricks

-(float)getHeightByWidth:(NSString*)myString:(UIFont*)mySize:(int)myWidth
{
 CGSize boundingSize = CGSizeMake(myWidth, CGFLOAT_MAX);
 CGSize requiredSize = [myString sizeWithFont:mySize constrainedToSize:boundingSize lineBreakMode:UILineBreakModeWordWrap];
 return requiredSize.height;
}