AWS Serverless Calculators
20 free aws serverless calculators in Cloud. The first 1 has a full write-up: the method, a worked example and questions specific to that calculator.
- Lambda Cold Start EstimatorEstimate Lambda cold-start latency from runtime, package size, VPC attachment and init code, and see which factor dominates.
- API Gateway Cost CalculatorCompare REST, HTTP and WebSocket API Gateway costs including data transfer, caching and the saving from moving to HTTP APIs.
- AppSync Request CalculatorPrice AppSync GraphQL operations, real-time subscription updates, connection minutes and caching from your client behaviour.
- AWS API Gateway Throughput CalculatorCheck peak API Gateway traffic against the account RPS quota and burst allowance, and see requests in flight and spare headroom.
- CloudTrail Storage CalculatorSize CloudTrail data event charges, compressed S3 storage across a retention window, extra trail copies and Lake ingestion.
- CloudWatch Log Cost CalculatorSplit a CloudWatch Logs bill into ingestion, archived storage and Logs Insights data scanned, and compare log classes.
- CloudWatch Metrics CalculatorCount unique CloudWatch custom metrics from resources and dimensions, then price metrics, alarms, dashboards and API calls.
- EventBridge Cost CalculatorPrice EventBridge custom events, Scheduler invocations, Pipes requests and archives, with 64 KB event chunk billing.
- Firehose Buffer CalculatorWork out which Firehose buffer hint fires first, the resulting delivery latency and object size, and the 5 KB record rounding cost.
- Kinesis Throughput CalculatorSize Kinesis Data Streams shards against the 1 MB/s and 1000 record/s ingest limits and the 2 MB/s per-shard read limit.
- Lambda Concurrency CalculatorApply Little's law to size Lambda concurrency against the 1000-per-region account limit, with reserved and provisioned capacity.
- Lambda Cost CalculatorPrice an AWS Lambda function from memory, duration and invocations in GB-seconds, including the free tier and Arm savings.
- Lambda Duration CalculatorBlend warm and cold invocations into an average billed duration, GB-seconds and timeout headroom for a Lambda function.
- Lambda Memory CalculatorModel the Lambda memory-versus-speed trade-off: predict duration at a new memory size and see whether the cost moves up or down.
- Serverless Health Score CalculatorScore a serverless workload out of 100 on errors, throttles, latency margin, cold starts, memory fit and observability.
- SES Cost CalculatorPrice Amazon SES outbound and inbound mail with attachment data, dedicated IPs, and a bounce and complaint rate check.
- SNS Cost CalculatorPrice SNS fan-out from publish volume, payload size and delivery protocol, with 64 KB request chunking and the free tier.
- SQS Cost CalculatorPrice an SQS queue from message volume, payload size and batch size, and quantify how much batching up to 10 messages saves.
- Step Functions Cost CalculatorCompare Step Functions Standard state-transition pricing against Express request plus GB-second pricing for the same workflow.
- X-Ray Trace Cost CalculatorPrice AWS X-Ray from request volume and sampling rate, and find the sampling percentage that fits a tracing budget.