From the other comments here it would appear that this site uses imperial units, but I see it as metric. And no option to switch... Is this being inferred from

From the other comments here it would appear that this site uses imperial units, but I see it as metric. And no option to switch... Is this being inferred from my location? Anyway, most deaths I've been able to get is with a gold asteroid, max width and speed, impacting near Dindori, India. The fireball would kill about 448 million. Impact angle makes very little difference.