Work out iot device data volume instantly with clear inputs, formula shown and shareable results.
IoT traffic is dominated by per-message overhead rather than payload: a 120-byte reading wrapped in MQTT over TLS over TCP over IP can easily carry 90 bytes of headers, so 43 percent of the bill is envelope. Batching several readings into one message, or using CoAP over UDP, is what actually reduces cellular data cost at fleet scale.
IoT volume
bytes per message = payload + overhead; messages per second = devices x per-hour rate / 3600; monthly = rate x bytes x 86400 x 30.44
Batch readings into fewer, larger messages, use a binary encoding such as CBOR or Protobuf instead of JSON, and keep TLS sessions alive rather than renegotiating.
Yes. It is designed for small infrequent messages with much lower protocol overhead and power draw, at the cost of very low throughput and higher latency.