For calf growth
For calf growth, the two are close. Standing calf raise rates slightly higher: more stretch.
Smith machine calf raise is easier on the joints.
Both are good choices that train the calves the same way, so they swap freely. Rotating between them every few weeks is an easy way to vary your training.
The research score comes from these, scored by hand from the studies. Lifter scores appear once an exercise has 10 ratings. How scores work
Smith Machine Calf Raise. Straight knees keep the gastrocnemius working, and the rails make heavy, deep raises safe and easy to load.
Standing Calf Raise. Straight knees keep the gastrocnemius stretched: standing raises grew it 9–12% where seated raises barely did, and bottom-range reps grew it twice as much as full reps.
For calf growth, the two are close. Standing calf raise rates slightly higher: more stretch. Smith machine calf raise is easier on the joints. Both are good choices that train the calves the same way, so they swap freely. Rotating between them every few weeks is an easy way to vary your training.
About the same: both are easy to learn.
Smith machine calf raise needs a Smith machine and a weight plate, so for most people it’s a gym exercise. Standing calf raise needs a machine, so for most people it’s a gym exercise.
Smith machine calf raise: it rates Excellent for joint and recovery cost in our research rubric, against Strong for standing calf raise.