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This series of attacks yielded large territorial gains for the Germans, at least when compared to previous offensives. The Germans did not inflict a decisive defeat on the allies , and they failed to drive a wedge between the British and the French. Additionally, they utterly failed to force them to the negotiating table.<ref> Gray. , p 213 </ref> The territory that the Germans had gained meant that they had an extended their supply lines. Their army was thinned across the front and was susceptible to Allied counterattacks.

It has been argued that despite the territorial gains that the Germans were left in far weaker positions after the Spring Offensive than before the attacks. The Germans lost many men during the battles in the Spring of 1918. It has been estimated that the strength of the German army had fallen from just over five million in March 1918 to just over four million by the Autumn of 1918. The allies had also suffered many losses , but these were made alleviated by reinforcements from the United States. By Autumn, the German army had all but collapsed, leading to the Armistice of 1918 and the defeat of the German Empire.<ref> Keegan, p. 401</ref>