How much does ElastiCache for Redis cost?

cache.t3.micro (Redis): $0.017/hr = $12.24/month. cache.r6g.large (13GB, Redis): $0.166/hr = $119.52/month. Multi-AZ with replication doubles instance costs but adds high availability.

Should I use ElastiCache or self-hosted Redis on EC2?

ElastiCache costs 50-100% more than equivalent EC2+Redis setup. It provides automatic failover, backups, and patching. For production, ElastiCache's operational benefits usually justify the premium.

What are ElastiCache data transfer costs?

Data transfer within the same AZ is free. Cross-AZ data transfer costs $0.01/GB each way. ElastiCache to EC2 in the same VPC is free for intra-AZ traffic.

AWS ElastiCache Cost Calculator

Calculate AWS ElastiCache (Redis and Memcached) costs. Estimate monthly spend by node type, cluster size, and replication configuration.

AI & SaaS Tools

SaaS Metrics

AI Compute

AI ROI

LTV:CAC Ratio

ARPU ($/month)

Monthly Churn %

CAC ($)

Gross Margin %

LTV

$3500

LTV:CAC

11.67

Payback

2.9 mo

Health

Healthy ✓

Benchmark: LTV:CAC ≥ 3 is healthy. Payback under 12 months is excellent. Under 1 means you lose money on each customer.

How to Use

Enter the values for the scenario you are assessing. Calculate AWS ElastiCache (Redis and Memcached) costs. Estimate monthly spend by node type, cluster size, and replication configuration. Use the elasticache cost result to inform your calculation.

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AWS ElastiCache Cost Calculator

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Frequently Asked Questions

How much does ElastiCache for Redis cost?

Should I use ElastiCache or self-hosted Redis on EC2?

What are ElastiCache data transfer costs?