{"resource":"https://spreadsheet.openverbs.com/v1/column","service":"Spreadsheet References","areas":["other"],"answering":true,"http_status":402,"latency_ms":387,"price_usdc":0.004,"buyers_30d":2,"calls_30d":2,"description":"Convert between a spreadsheet column letter and its 1-based index in either direction. Provide exactly one of `letter` (e.g. \"AA\") or `number` (e.g. 27); the response always contains both.","id":"dcf369b66832","category":"Calculators and conversions","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/dcf369b66832"}