Throughput (req/s)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Throughput (req/s) calculator measures a system's capacity to process requests per second. It calculates the formula: Throughput = Requests / Time (in seconds). This tool is ideal for load testing, helping to predict scalability limits and identify performance bottlenecks in web applications, APIs, or services.
To use it, input the total number of requests processed and the time interval in seconds. The result will be the throughput rate in req/s. For example, if a system handles 1,200 requests in 60 seconds, the throughput is 20 req/s. Higher values indicate greater efficiency in processing requests.
Ensure input data accuracy. Requests and time must be compatible units. Use this calculator for benchmark analysis or infrastructure planning, but remember external factors (network, hardware) also impact real-world results.
Frequently asked questions
How does the Throughput calculator work?
It divides the total requests by time in seconds using the formula Throughput = Requests / Time.
What scenarios is it useful for?
It's used for load testing, API performance analysis, and system scalability planning.
Can I use units like milliseconds?
Yes, but convert time to seconds before calculating to maintain consistency with req/s.
Why is a high throughput important?
A high value indicates greater system capacity to handle traffic, reducing overload risks.