⚠ Guidance Only: This site does not provide formal financial, tax, or legal advice. All tools are for guidance purposes only. Always consult a qualified professional before making financial decisions.
Professional calculators for freelancers, consultants, and contractors. Know your numbers, charge what you're worth.
Everything you need to run a financially healthy freelance business
Find your ideal hourly & day rate
Estimate tax owed on freelance income
Price client projects accurately
Calculate overdue invoice interest
Set monthly retainer pricing
/freelance-rate-calculator · Updated April 2025
Enter your financial targets to calculate exactly what to charge clients. Covers your income, expenses, tax, and profit goals.
Take-home income target after expenses
Software, equipment, insurance, etc.
After holidays and sick leave
Not all work hours are billable
Estimated effective tax rate
Buffer above break-even
Hourly Rate
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Per billable hour
Day Rate
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8-hour day
Weekly Rate
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Monthly Target
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To hit annual goal
Estimate your UK self-assessment tax liability. Adjust rates to match your specific situation. Always verify with a qualified accountant.
Standard UK 2024/25: £12,570
Standard UK: £50,270
Standard UK: 20%
Standard UK: 40%
Standard UK: 9% (below upper limit)
Select Yes if you operate outside IR35 (i.e. genuinely self-employed / PSC contractor)
Taxable Profit
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Income Tax
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NI Contribution
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Total Tax Owed
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Net Take-Home
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Save Monthly
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Disclaimer: This is an estimate only. Tax rules are complex and change annually. Consult a qualified UK accountant or tax adviser for personal advice.
Build accurate project quotes by accounting for every hour — including revisions, meetings, and admin. Stop undercharging for hidden work.
Direct deliverable work only
Use Rate Calculator to find this
All scheduled client calls
Emails, briefs, file management
0% standard, 25–50% for tight deadlines
Buffer above your base cost
Total Hours
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Base Project Price
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Rush Fee Added
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Profit Buffer
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Final Proposal Price
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Calculate late payment charges on overdue invoices. UK statutory rate is 8% above BoE base rate. Always state payment terms in your contracts.
Count from your payment due date
UK statutory: ~13.5% (8% + BoE base)
UK: £40 for invoices up to £1,000
Original Invoice
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Interest Accrued
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Fixed Compensation Fee
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Daily Accrual Rate
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Adding per day unpaid
Total Amount Now Owed
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Price your monthly retainer to reflect full value: committed hours, priority access, communication overhead, and strategic consulting premium.
Committed deliverable hours
Emails, Slack, check-ins per month
15–25% for priority access & fast response
Your expertise above execution work
Protection against overruns
Base Cost
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Hours + comms time
Priority Premium
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Strategic Premium
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Monthly Retainer
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Buffer Added
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Annual Contract Value
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12-month total
Freelancer Finance Toolkit was built to solve a simple problem: freelancers consistently undercharge for their work because they don't have the right tools to calculate what they actually need to earn.
Every calculator on this site was designed by working closely with experienced freelancers, consultants, and contractors to ensure it reflects real-world scenarios — not textbook formulas.
We believe freelancers deserve the same financial clarity that large businesses take for granted. All our tools are free, require no account, and never store your data. Your numbers stay on your device.
Practical guides to help you earn more and stress less about money
A step-by-step guide to calculating a rate that covers your lifestyle, taxes, and business costs — and leaves room for profit.
Read article →Deadlines, allowances, expenses, and payment on account explained in plain English for UK-based freelancers and contractors.
Read article →Why retainers are the most sustainable freelance business model and exactly how to present them to existing clients.
Read article →The Late Payment of Commercial Debts Act gives you powerful rights. Here's how to use them without damaging client relationships.
Read article →The hidden hours that blow your budget: revisions, meetings, admin, and client education that never make it into quotes.
Read article →An honest comparison of the three most popular accounting platforms for UK freelancers, with pricing and feature breakdowns.
Read article →