Objective C + Calculate Height of Table's Cell Dynamically or At Run Time

// TableView Delegate Method

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

    

    int width = 300; // width of your label

    

    return ([Self calculateHeightOfString:@"Your String" withFont:[UIFont systemFontOfSize:15] ofWidth:width withLineBreak:NSLineBreakByWordWrapping]+30);

    

}

// Method to calculate height

-(float)calculateHeightOfString:(NSString *)str withFont:(UIFont *)font ofWidth:(float)width withLineBreak:(NSLineBreakMode)line

{

    //NSLog(@"%s",__PRETTY_FUNCTION__);

  

CGSize suggestedSize = [str sizeWithFont:font constrainedToSize:CGSizeMake(width, FLT_MAX) lineBreakMode:line];

return suggestedSize.height;

}