Hello everyone, as I know command

gives a rate in sat/byte, but is there any way to get it straight in sat/kbyte?
Is divide it to 1000 a good idea when actual fee for e.g. will be not 3147 but 3000 rounded to 3 and divide gives 0.003 sat/kbyte, or I am wrong and it always will be 3000?
Thanks.