Rough estimates of the industry cost run beyond $200 million.
That should give you a rough estimate of the costs.
He ran some rough estimates on his board, looked at the results.
By a rough estimate, maybe half a foot per hour.
Since then the government has only published rough estimates of the population.
It may take four to six weeks, but that's just a rough estimate.
The first rough estimates for the construction were around $250,000.
It would take quite a bit of work to complete that project, and at the end all you'd have is a rough estimate.
The search area has been based on a rough estimate of where Plant might be.
The £60bn comes from a rough Russian estimate of $100bn.