in round figures meaning

• [American idiom]
  as an estimated number; a figure that has been rounded off.
  • Please tell me in round numbers what it'll cost.
  • I don't need the exact amount. Just give it to me in round figures.
  
• 
  [American slang]
  Go to in round numbers.

• express sth in round figures:    [American slang]Go ...
• write sth in round figures:    [American slang]Go ...
• it figures:    [American slang]in ...

Examples

1. according to your estimate, what's the maximum annual turnover you can fulfil in round figures of course
2. In later life, he tended to give his age only in round figures.
3. When you burn a barrel of oil you get ( in round figures ) 400kg of CO2 gas.
4. In round figures therefore, about 42 % of British Crees were living in England, 1 % in Wales and 57 % in Scotland.
5. The dimensions of the building ( in round figures ) are : from east to west; from north to south; from the Strand level to the tip of the fleche.