As we know One d is equal to 0.01 da (1 d = 0.01 da).

To convert Deci to Deka, multiply your d figure by 0.01.

Example : convert 25 d to da:

25 d = 25 × 0.01 da = da

To convert Deka to Deci, divide your da figure by 0.01.

Example : convert 25 da to d:

25 da = 25 ÷ 0.01 d = d