Manning Formula Calculator

manningformula.com

Manning Formula Calculator is a specialized engineering tool designed for hydraulic analysis of open channel flow. It enables civil engineers and hydrologists to compute water velocity, discharge, Froude number, and shear stress based on channel geometry and Manning’s roughness coefficients. The platform provides reference data for roughness values across various natural and lined channel types to support accurate fluid dynamics modeling.

LLM mention score The LLM mention score is the total number of mentions of this brand in different LLM chatbots, normalized to the scale from 0 to 100. You can get actual, non-normalized numbers via the LLM Mention API from DataForSEO.

Normalized 0–100 · last 8 weeks

DataForSEO API

Get LLM mention data of any company via DataForSEO API

Get access to the structured data on keyword, brand, and website mentions in LLMs, including metrics like AI search volume, impressions, and mentions count. 

How to get LLM mention data →
// Fetch Manning Formula Calculator mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "Manning Formula Calculator",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]