Free · Everyday calculations

Per-Minute Service Cost Calculator

Compare a service or activity cost with its duration.

  • Formula & worked example
  • Private in your browser
  • No signup
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Calculator inputs

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How to use this calculator

  1. Enter the known values in the units shown. Results update as you type.
  2. Edit a calculated value to solve backwards, or lock a value to hold it fixed.
  3. Use the worked example to check the method. Reset restores the starting fields.

Private by default

Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.

Formula and method

Divide total cost by elapsed minutes. A 30-dollar session lasting 60 minutes costs 0.50 dollars per minute. Enter either the total or the rate to work backwards.

Cost per minute = total cost ÷ duration in minutes

Worked example

Enter these known values and leave the other values blank.

Duration
60 min
Cost
30 USD
Cost per duration
0.5 USD / min

Assumptions and limitations

  • Only amounts included in your total cost are counted. Add applicable fees before comparing offers, and use the same currency for every amount.
  • Use the units shown beside each field. This model assumes the stated relationship and does not account for quantities left out of the formula.

Common questions

Does the rate include extra fees?

Only amounts included in your total cost are counted. Add applicable fees before comparing offers, and use the same currency for every amount.

References

The calculation equations, inverse formulas, units, and input rules were imported from this source. Bookify provides the interface and equation solver.

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