HisabCalc

Freelance Day Rate Calculator

Turn your daily rate and non-billable days into a realistic yearly and monthly income figure.

Enter your numbers

Example: 5000

Example: 12

Example: 8

Example: 40

Result
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Figures are computed on your device; nothing is sent anywhere.

Formula

billableDays = 260 - holidays - sickDays - adminDays; yearlyIncome = dayRate * billableDays; monthlyIncome = yearlyIncome / 12

How the calculation works

The calculator starts from 260 working days a year and subtracts your holidays, sick days and admin days.

Multiplying the remaining billable days by your day rate gives the gross yearly income.

Dividing that yearly figure by twelve shows the average monthly income you can expect.

Common mistakes

When to use it

Worked example

With a day rate of 5000, 12 holidays, 8 sick days and 40 admin days, you bill 200 days and earn 1,000,000 a year, about 83,333 a month.

Billable days 200.00
Yearly income 1,000,000.00
Monthly income 83,333.00

Common questions

Why are 260 days used as the starting point?

It is roughly the number of weekdays in a year, before holidays, sick leave and admin days are taken out.

Last updated: 2026-10-03