Calculator OS

Free UK contractor calculator

Day Rate to Monthly Revenue Calculator

Estimate gross monthly contractor revenue using your day rate and realistic billable days.

Quick answer

How this calculator works

Estimated monthly revenue = day rate × billable days per month. The result is rounded to the nearest penny using half-up rounding.

Rate converter

Estimate monthly revenue

Enter your day rate and the days you expect to invoice in a typical month.

Your gross rate for one billable working day.

Use the days you realistically expect to invoice in a typical month.

Your result

Estimated monthly revenue

£—

Your result will appear here.

Assumptions and limitations

  • Every selected day is fully billable at the entered day rate.
  • The estimate excludes tax, expenses, fees, holidays, sickness and gaps between contracts.

Sources

No external rates or thresholds are used in this calculation.

Examples

Twenty-day month

A £500 day rate across 20 billable days produces £10,000 gross monthly revenue.

Frequently asked questions

How many billable days should I use?

Use a realistic month after allowing for administration, leave, sickness and gaps between contracts.

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