As we know One d is equal to 0.0001 k (1 d = 0.0001 k).

To convert Deci to Kilo, multiply your d figure by 0.0001.

Example : convert 25 d to k:

25 d = 25 × 0.0001 k = k

To convert Kilo to Deci, divide your k figure by 0.0001.

Example : convert 25 k to d:

25 k = 25 ÷ 0.0001 d = d