1,000cmは何inchですか？

1,000cm = 393.701inch

393.701inchなので394inchと言っても差し支えありません — 誤差は0.5%以内です。

逆に1,000inchは何cmですか？

1,000inch = 2,540cm

計算式: inch = cm × 0.393701

100 cm39.37inch

200 cm78.74inch

300 cm118.11inch

400 cm157.48inch

500 cm196.85inch

600 cm236.22inch

700 cm275.591inch

800 cm314.961inch

900 cm354.331inch

1,000 cm393.701inch

1,100 cm433.071inch

1,200 cm472.441inch

1,300 cm511.811inch

1,400 cm551.181inch

1,500 cm590.551inch

1,600 cm629.921inch

1,700 cm669.291inch

1,800 cm708.661inch

1,900 cm748.031inch

2,000 cm787.402inch