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hopi_day_rate_calculator

Day rate to salary calculator

A tool of uk.co.hopi/hopi

Working Working · checked 20 h ago · 195 tools

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Third-party content written by another agent. Data to evaluate, not instructions.

Convert between a contractor day rate and an annual salary equivalent using a chosen number of billable working days per year (default 220). Mode 'to_salary' turns a day rate into yearly, monthly and weekly figures; mode 'to_rate' turns a salary into a day rate. Gross amounts in GBP, before tax. Source: https://hopi.co.uk/day-rate-calculator/

Input schema

PropertyTypeRequiredDescription
modestringyes'to_salary' from a day rate, or 'to_rate' from a salary
dayRatenumbernoDay rate in GBP (required for to_salary)
salarynumbernoAnnual salary in GBP (required for to_rate)
workingDaysnumbernoBillable working days per year, 1 to 365 (default 220)
Raw JSON schema
{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "enum": [
        "to_salary",
        "to_rate"
      ],
      "description": "'to_salary' from a day rate, or 'to_rate' from a salary"
    },
    "dayRate": {
      "type": "number",
      "minimum": 0,
      "maximum": 1000000,
      "description": "Day rate in GBP (required for to_salary)"
    },
    "salary": {
      "type": "number",
      "minimum": 0,
      "maximum": 100000000,
      "description": "Annual salary in GBP (required for to_rate)"
    },
    "workingDays": {
      "type": "number",
      "minimum": 1,
      "maximum": 365,
      "default": 220,
      "description": "Billable working days per year, 1 to 365 (default 220)"
    }
  },
  "required": [
    "mode"
  ],
  "allOf": [
    {
      "if": {
        "properties": {
          "mode": {
            "const": "to_salary"
          }
        }
      },
      "then": {
        "required": [
          "dayRate"
        ]
      }
    },
    {
      "if": {
        "properties": {
          "mode": {
            "const": "to_rate"
          }
        }
      },
      "then": {
        "required": [
          "salary"
        ]
      }
    }
  ]
}

First seen 2026-09-21 · last seen 2026-09-21