Compare costs at the same actual activity
The comparison uses actual activity hours and the standard variable-overhead rate for the same period, currency and activity driver. Standard hours allowed belong to a different variance calculation.
Compare actual variable overhead with the standard cost for actual activity. Keep the same period, currency and activity-hour definition on both sides.
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Actual variable overhead − actual activity hours × standard variable overhead rate
ONE WORKED EXAMPLE
Actual overhead of 1,200 minus 100 actual hours × 10 per hour gives a 200 unfavorable spending variance.

THE FIELD NOTES
Use the result now, then read the practical notes for assumptions, examples, limitations, and the choices behind it.
Actual overhead of 1,200 minus 100 actual hours × 10 per hour gives a 200 unfavorable spending variance.
The comparison uses actual activity hours and the standard variable-overhead rate for the same period, currency and activity driver. Standard hours allowed belong to a different variance calculation.
Actual overhead of 1,200 minus 100 actual hours × 10 per hour gives a 200 unfavorable spending variance.
The total manufacturing cost calculator adds manufacturing cost categories. The labor efficiency variance calculator compares actual and standard labor hours. Neither isolates variable-overhead spending at actual activity.
A positive spending variance is unfavorable; a negative one is favorable. Exact zero means no spending variance. These labels describe the comparison, not its cause or cash savings. Fixed overhead and efficiency variance are outside this calculation.
THE PRODUCT IS NEXT
The comparison uses actual activity hours and the standard variable-overhead rate for the same period, currency and activity driver. Standard hours allowed belong to a different variance calculation.
Actual overhead of 1,200 minus 100 actual hours × 10 per hour gives a 200 unfavorable spending variance.
The total manufacturing cost calculator adds manufacturing cost categories. The labor efficiency variance calculator compares actual and standard labor hours. Neither isolates variable-overhead spending at actual activity.
A positive spending variance is unfavorable; a negative one is favorable. Exact zero means no spending variance. These labels describe the comparison, not its cause or cash savings. Fixed overhead and efficiency variance are outside this calculation.
Compare actual variable overhead with the standard cost for actual activity. Keep the same period, currency and activity-hour definition on both sides.
A positive spending variance is unfavorable; a negative one is favorable. Exact zero means no spending variance. These labels describe the comparison, not its cause or cash savings. Fixed overhead and efficiency variance are outside this calculation.
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