Calculating growth rate of capital when not in steady state Given a Cobb-Douglas production function, the annual population growth rate, savings rate, alpha, annual depreciation rate, and annual technological progress rate, how would one calculate the growth rate of capital?

We're assumed to not be in steady state so we would need a growth rate in order to calculate how long it takes to reach the true steady state.
Perhaps I misunderstood something but it seems to me you can calculate the growth rate by using all the parameters to calculate $K_{t+1}$. Then get the growth rate by taking $\frac{K_{t+1}}{K_t}$.

You will never reach the true steady state, as outlined in my answer here.