Exponential Backoff Calculator

Resilient Retry Strategies — Global Distributed Systems Standard

Reliability Engineering: This exponential backoff calculator prevents cascading failures in APIs, databases, and microservices.

Classic exponential backoff using our exponential backoff calculator.

Base Delay (ms)

50–5000 ms

Multiplier

Max Delay (ms)

Max Retries

Enter values

AWS-style full jitter using our exponential backoff calculator.

Base Delay (ms)

Cap Delay (ms)

Max Retries

Random Seed

Enter data

Equal jitter (Polly) using our exponential backoff calculator.

Base Delay (ms)

Max Delay (ms)

Max Retries

Random Seed

Enter values

Build custom backoff using our exponential backoff calculator.

Initial Delay (ms)

Growth Factor

Jitter % (±)

Cap Delay (ms)

Configure strategy

Exponential Backoff Calculator: The Gold Standard for Resilient Systems

Used by AWS, Google Cloud, Azure, and Netflix, our exponential backoff calculator ensures zero thundering herd and maximum availability.

"Patientia vincit" — Patience conquers.

How the Exponential Backoff Calculator Works

Core equations:

delay_n = min(cap, base × multiplier^n)
full_jitter = random(0, delay_n)
equal_jitter = delay_n/2 + random(0, delay_n/2)

Exponential Backoff Calculator: Four Proven Strategies

Standard Backoff

Classic 2^n growth in our exponential backoff calculator.

Full Jitter

AWS-recommended randomness.

Equal Jitter

.NET Polly default.

Custom Strategy

Fine-tune for any system.

Exponential Backoff Calculator: Industry Standards

Platform	Strategy	Default
AWS SDK	Full Jitter	100ms × 2^n
Google Cloud	Equal Jitter	1s cap
Polly (.NET)	Equal Jitter	2s × 2^n

Exponential Backoff Calculator: Best Practices

Jitter is mandatory — Avoid thundering herd
Cap at 30–60s — Prevent indefinite waits
Max 10–15 retries — Then circuit break
Log retry count — Monitor health
Combine with circuit breaker — Ultimate resilience

Pro Tips for the Exponential Backoff Calculator

Use full jitter for public APIs
Equal jitter for internal services
Start at 100ms — Not 0
Cap at 30s for web, 5min for batch
Seed with timestamp for true randomness

Never Fail Twice

From cloud to edge, our exponential backoff calculator guarantees delivery.

Calculate Backoff