An ink use amount evaluation apparatus (12, 14, 16), comprising: an image input device configured to receive original image data; an image reduction processing device which is configured to generate reduced image data from the original image data, the reduced image data having a resolution lower than a resolution of the original image data, such that a prescribed pixel range having a prescribed width in the input image corresponds to one pixel of the reduced image data; a first look-up table storage device which is configured to store a first look-up table specifying an input/output relationship for performing tone conversion of the reduced image data; a second look-up table storage device which is configured to store second look-up tables respectively specifying signal conversion relationships for correcting ink ejection amounts of nozzles in a liquid ejection head which are configured to eject ink in accordance with the original image data; a third look-up table generation device which is configured to generate a third look-up table from the second look-up tables assigned respectively to the nozzles, the third look-up table specifying signal conversion relationships for correcting signal values of the reduced image data for each of the prescribed widths corresponding to the resolution of the reduced image data; an image conversion device which is configured to carry out conversion processing using the first and third look-up tables on the reduced image data to generate converted reduced image data; an ink amount distribution data calculation device which is configured to generate ink amount distribution data from the converted reduced image data, the ink amount distribution data indicating a distribution of an ink amount used in image formation of image contents corresponding to the reduced image data; and an image analysis device which is configured to analyze the ink amount distribution data to judge whether an amount of ink exceeding a specific value is to be used or not. an image input device configured to receive original image data; an image reduction processing device which is configured to generate reduced image data from the original image data, the reduced image data having a resolution lower than a resolution of the original image data, such that a prescribed pixel range having a prescribed width in the input image corresponds to one pixel of the reduced image data; a first look-up table storage device which is configured to store a first look-up table specifying an input/output relationship for performing tone conversion of the reduced image data; a second look-up table storage device which is configured to store second look-up tables respectively specifying signal conversion relationships for correcting ink ejection amounts of nozzles in a liquid ejection head which are configured to eject ink in accordance with the original image data; a third look-up table generation device which is configured to generate a third look-up table from the second look-up tables assigned respectively to the nozzles, the third look-up table specifying signal conversion relationships for correcting signal values of the reduced image data for each of the prescribed widths corresponding to the resolution of the reduced image data; an image conversion device which is configured to carry out conversion processing using the first and third look-up tables on the reduced image data to generate converted reduced image data; an ink amount distribution data calculation device which is configured to generate ink amount distribution data from the converted reduced image data, the ink amount distribution data indicating a distribution of an ink amount used in image formation of image contents corresponding to the reduced image data; and an image analysis device which is configured to analyze the ink amount distribution data to judge whether an amount of ink exceeding a specific value is to be used or not.