Payroll Calculator for 2025-26
Payroll Calculator for Small Business
Use this FREE Payroll Calculator for Small Business (2025-26) to see your payroll costs instantly. Calculate employer National Insurance, employer allowance, and pension costs for weekly or monthly staff. Stop guessing and take control of your payroll expenses.
Want to grow your business, boost profits & feel more confident with money? Sign up to our newsletter and let I Hate Numbers help you Plan it, Do it, & PROFIT!
By submitting your details you are agreeing to receive marketing information. You can unsubscribe at any time. For more information, please see our Privacy Notice
Why Every Small Business Needs a Payroll Calculator
Payroll costs can be unpredictable. Using a payroll calculator ensures accuracy and control.
- The risks of payroll miscalculations
Underestimating costs can impact cash flow. Overpaying reduces profitability. Accurate calculations keep your business on track. - How the right payroll planning can save you money
Knowing exact payroll costs helps with budgeting, tax planning, and cash flow management. Discover more budgeting strategies with Budgetwhizz®, our online cash flow planning platform. - Save time and reduce payroll errors
Manual calculations can lead to mistakes. Automate the process and eliminate errors instantly.

The Easiest Way to Manage Payroll Costs for Your Business
Stay ahead of payroll costs with smart calculations. Avoid unexpected expenses and keep finances in check.

- How to factor in wages, NI, and pension costs
Ensure you calculate gross wages, employer contributions, and additional costs correctly. - Common payroll pitfalls and how to avoid them
Missing National Insurance updates or incorrect pension deductions can lead to costly errors. - Adjusting payroll for business growth and legal changes
Keep your payroll up to date with the latest tax laws and employee benefits. Learn more about financial compliance on I Hate Numbers.
Stop Guessing: Calculate Payroll Costs in Seconds
Payroll should be simple. Let automation handle the hard work.
- Why manual payroll processing can hurt your business
Mistakes in payroll lead to penalties, disputes, and cash flow problems. - How automation simplifies payroll management
A payroll calculator removes uncertainty and gives you accurate costs instantly. - Make data-driven payroll decisions with confidence
See real-time payroll costs and plan finances effectively.

How a Payroll Calculator Can Help You Manage Business Finances
Payroll accuracy improves financial stability. Here’s how it benefits your business.

- The link between payroll and cash flow
Knowing your payroll obligations helps manage expenses and avoid financial strain. - How to balance payroll costs and business affordability
Set wages that work for your employees while maintaining profitability. You can improve cash flow planning with Budgetwhizz®, our online cash flow planning platform. - Real-world examples of small businesses using payroll calculators
Businesses using payroll calculators save time, reduce stress, and improve financial planning.
About I Hate Numbers
Hello, I’m Mahmood, a business finance coach, accountant, tax advisor, educator, and author. I have a passion for helping business owners like you to increase their financial awareness, achieve financial success, and reduce stress along the way.
I hope you find the Payroll Calculator for Small Business useful. If you’d like further assistance in making your business profitable and would like to find out how I can tailor my services to your requirements, contact me here.
I also run Numbers Knowhow®. Here you can find various services including an online cash flow planning platform, business finance coaching, an online community and directory, training courses and access to specialised resources to help you get control of your business finances. Find out more about Numbers Knowhow® here.

Try the FREE Payroll Calculator for Small Business here
Managing payroll can be complex, but this calculator simplifies the process. Follow these steps for accurate payroll cost calculations.
How to Use the Payroll Calculator for Your Small Business
Enter your staff numbers, monthly salary, weekly hours and hourly rate and let the calculator do the work. See how each element affects your business finances.
Learn more about managing your business finances effectively with I Hate Numbers. Contact us here for more details.
Found our FREE Payroll Calculator Useful?
If you’ve found our FREE Payroll Calculator for Small Business useful and want to know more about how we can help you in your business, see below.
Financial Planning with Budgetwhizz®
Cash flow and financial planning tools to help make your business survive and thrive!
Business Advice & Consultancy
From bookkeeping & payroll to tax advice & management, we help SMEs achieve a profitable business
I Hate Numbers Podcast
From Creative Passion To Profit: the podcast dedicated to empowering individual artists and creatives.