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Network Calc: Ethernet Efficiency & Goodput Calculator
x402
Network Calc: Ethernet Efficiency & Goodput Calculator is a paid API for AI agents from network-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-30).
Calculates Ethernet wire overhead, TCP/UDP goodput, and maximum packets per second at line rate for a given packet size and link speed.
Price / call$0.02
Success—
StatusUnknown
How this service works
Ethernet wire overhead, TCP/UDP goodput and maximum packets per second at line rate for a packet size and link speed.
Output
Returns a structured object with: wire bytes and frame bytes per packet, payload and protocol header bytes, overhead bytes per packet, L3 efficiency percent, goodput in Mbps and MBps, L3 throughput in Mbps, packets per second at line rate, nanoseconds per packet, minimum frame padding, protocol used, link speed, and optional metadata fields (summary, disclaimer, source, asOf).
Example use cases
10GbE line-rate capacity planning
“I'm sizing a 10GbE switch uplink — what's the maximum packets per second and real TCP goodput I can expect with 1500-byte packets using tcp4 at 10000 Mbps?”
Jumbo frame efficiency comparison
“How much does switching to 9000-byte jumbo frames improve goodput and reduce overhead on a 1000 Mbps link using udp4?”
VLAN overhead impact assessment
“On a 1000 Mbps link using tcp4 with 1500-byte packets and a 802.1Q VLAN tag enabled, how much bandwidth do I lose to wire overhead and what's the actual goodput?”
Technical details
Endpoint
GEThttps://network-calc.x402tookit.com/ethernet-efficiency?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need precise, standards-accurate Ethernet and TCP/UDP overhead calculations for a specific link speed and packet size — especially when planning network capacity, comparing protocol overhead (IPv4 vs IPv6, TCP vs UDP), evaluating VLAN or TCP timestamp impact, or determining line-rate PPS limits. Prefer this over manual calculations or generic bandwidth tools when you need all overhead layers (Ethernet preamble, IFG, headers) accounted for correctly.
Side effects
- Missing required linkMbps parameter returns a validation error
- ipPacketBytes outside the range 20–9216 is rejected
- Invalid protocol enum value returns an error
- Non-numeric linkMbps causes a schema validation failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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