DynamoDB Capacity Planner

Model the cost cliff of Provisioned vs On-Demand pricing based on traffic spikes.

Baseline WCU (Writes/sec)

Baseline RCU (Reads/sec)

Spike Traffic Multiplier (e.g. 10x)

Spike Duration (Hours per Month)

Total Writes/mo

295M

Total Reads/mo

1476M

💡 Provisioned is cheaper. Your baseline is high enough and spikes are long enough that On-Demand's premium price per-request outweighs the cost of provisioned capacity.

About DynamoDB Capacity

Calculate DynamoDB Provisioned vs On-Demand capacity units and partition burst limits.

Why Use This Calculator?

Accurate infrastructure sizing prevents unexpected cloud budget blowouts while guaranteeing SLA compliance and system reliability under peak traffic.