Time calculators

Annual Leave Calculator

Updated May 29, 2026 By Jehan Wadia
Company Leave Policy
Enter a value between 1 and 365
Denominator used for all pro-rata calculations.
Enter a value between 1 and 7

If checked, bank holidays are subtracted from your gross entitlement to show usable leave.
Upfront grants the full allowance at renewal; Incremental accrues gradually.

Defines when the company leave year begins.
Employee Details
Mid-year starters get a pro-rata entitlement.
Part-time pro-rata applies if fewer than full-time.
Enter a value between 1 and 7

Used to compute your remaining balance.
Date used to compute accrued-to-date leave.

Your Entitlement
Pro-Rata Entitlement This Leave Year
22.60 days
Remaining Balance
17.60 days
Gross Allowance
25.00 days
After Bank Holidays
25.00 days
Accrued To Date
11.30 days
Leave Taken
5.00 days
Calculation Breakdown
Leave Distribution
Accrual Over the Leave Year
Month-by-Month Accrual Schedule
Month Accrued This Period Cumulative Accrued % of Entitlement

Introduction

This Annual Leave Calculator helps you work out how much holiday you have earned and how much is left. Just enter your leave allowance, your start date, and how many days you work each week. The tool does the math for you.

It works for full-time and part-time staff. If you started partway through the year, it gives you a fair pro-rata share. It can also take away bank holidays and show leave that builds up over time.

You will see clear results, a simple breakdown, charts, and a month-by-month table. This makes it easy to plan your time off and check your remaining balance at any date. To track your actual hours worked, pair this with our Work Hours Calculator or Time Card Calculator.

How to use our Annual Leave Calculator

Enter your company leave rules and your work details. The calculator shows your pro-rata leave, accrued leave, and remaining balance for the year.

Type your Annual Leave Allowance. This is the total leave you get each year.

Pick the Allowance Unit. Choose days or hours. If you pick hours, add your hours per working day.

Enter your Full-Time Working Week (days). This is the number used to work out pro-rata leave.

Check Bank holidays included in allowance if your leave count has bank holidays in it. Then type how many bank holidays there are. You can count working days between dates with our Business Days Calculator.

Choose your Accrual Method. Upfront gives all your leave at the start. Incremental builds it up over time.

If you pick incremental, choose the Accrual Frequency. This sets how often leave is added: daily, weekly, monthly, or quarterly.

Set the Leave Year Start day and month. This is when your company leave year begins.

Pick your Start Date day, month, and year. If you started mid-year, you get part of the leave. Use the Date Duration Calculator to see how long you have been employed.

Enter your Employee Working Days/Week. If you work fewer days than full-time, your leave is pro-rata.

Type the Leave Already Taken. This is used to find your leave left.

Set the Balance As-Of day and month. This is the date used to work out leave earned so far.

What Is Annual Leave?

Annual leave is the paid time off you get from work each year. It lets you rest, take a holiday, or handle life without losing pay. Most jobs give you a set number of days or hours of leave for the whole year. If you are paid hourly, our Hourly to Salary Calculator can show your yearly earnings.

How Annual Leave Works

Your company sets a leave year. This is the 12-month span when your time off is counted. When the leave year ends, your allowance often starts fresh.

There are two main ways you earn your leave:

  • Upfront: You get all your leave at the start of the year.
  • Incremental: You earn leave bit by bit, like each month or week.

Pro-Rata Leave

Sometimes you don't get the full amount of leave. This is called pro-rata, which means "a fair share." It happens when:

  • You start a new job partway through the leave year.
  • You work part-time, like 3 days a week instead of 5.

In both cases, your leave is cut to match the time or days you actually work. For example, if you work half the days, you get about half the leave. If you are renting and need to split costs by part-month, our Prorated Rent Calculator uses the same idea.

Bank Holidays

Bank holidays are public days off, like New Year's Day. Some jobs count these as part of your leave. Others give them on top. If they are part of your leave, you have fewer days to use as you like. To count down to a holiday, try the Days Until Calculator.

Why Track Your Balance?

Your balance is the leave you have left to take. Knowing it helps you plan trips and time off. It also stops you from running out of days too soon or losing days you forgot to use. Planning a trip? The Flight Time Calculator and Take Home Pay Calculator can help you budget your time and money.


Frequently asked questions

How is my pro-rata leave worked out?

The tool takes your leave allowance and cuts it to match your real work. It checks two things: your start date and your work days each week.

If you start mid-year, you get a share for the days left in the leave year. If you work part-time, you get a share based on your days versus full-time days. Both cuts are then put together.

What is the difference between upfront and incremental accrual?

Upfront gives you all your leave at the start of the year. You can use it right away.

Incremental adds leave bit by bit over the year. You earn it daily, weekly, monthly, or quarterly. This means you have less leave early on and more as the year goes by.

Why does my accrued leave show less than my full allowance?

Accrued leave is what you have earned up to your as-of date, not the whole year.

With incremental accrual, leave builds over time, so partway through the year you have only earned part of it. The full amount shows once the leave year ends.

Can I use this tool if I work part-time?

Yes. Set your Employee Working Days/Week to the days you actually work.

If you work fewer days than full-time, the tool cuts your leave to match. For example, working 3 days out of 5 gives you about 60% of the leave.

Should I use days or hours for my allowance?

Use the unit your job uses. Many full-time jobs use days. Hourly jobs often use hours.

If you pick hours, add your hours per working day too. This helps the tool work out your leave the right way.

What does the Balance As-Of date do?

It sets the date used to work out how much leave you have earned so far.

Pick today's date to see your current balance. Pick a future date to see how much leave you will have by then. This helps you plan trips ahead of time.

How do bank holidays change my leave?

If you check the bank holidays box, the tool takes those days out of your allowance.

This shows the leave you can freely use for your own plans. If your job gives bank holidays on top of your leave, leave the box unchecked.

What is the leave year start date?

It is the day your company's leave year begins. Many start on January 1, but some start in April or another month.

Set this to match your job. The tool uses it to work out your year and your pro-rata share.

Why is my remaining balance negative?

A negative balance means you took more leave than you have earned so far.

This can happen with incremental accrual if you took leave early in the year. The number turns positive again as you earn more leave over time.

What does the month-by-month table show?

It shows how your leave builds up each month of the leave year.

You see the leave earned that month, the running total, and what percent of your full leave that is. This makes it easy to track your leave over time.

Does the calculator work for any country?

Yes. The tool does not lock you to one country's rules. You set your own allowance, work days, and bank holidays.

This means it works for many places as long as you enter your job's leave rules.

What full-time working week should I enter?

Enter the number of days a full-time worker does each week at your job. Most use 5 days.

This number is the base for all pro-rata math. Part-time leave is worked out against it.