How to Work Out Your Freelance Day Rate (Without Underpricing Yourself)

Most people set their first freelance day rate the same wrong way: they take the salary they used to earn, divide it by the number of working days in a year — roughly 260 — and quote whatever number falls out. It feels logical. It is also the single most expensive mistake a new freelancer or contractor makes, and it quietly costs people thousands of pounds a year.

This guide explains why that sum underprices you so badly, and how to work the problem backwards from the answer you actually care about. It is rate-setting arithmetic — not tax advice. More on that distinction at the end.

Why "salary ÷ 260" gets it badly wrong

The 260-day method fails for two separate reasons, and they compound.

First, it assumes you can bill every working day. You cannot. As an employee your holiday, sick days, training, admin, downtime and the office overheads were all absorbed by someone else while your salary kept arriving. As a freelancer they are all on you, and every one of them is a day you are not invoicing.

Second, it assumes your costs are zero. They are not. You now personally pay for software, equipment, insurance, an accountant, training, subscriptions and your own pension — none of which an employer is quietly covering any more.

Price off 260 days with no overheads and you have signed up to earn meaningfully less than your old salary while carrying all the risk of self-employment. The number simply has to be higher to stand still.

The two components your rate must actually cover

A defensible rate is built from two things, not one:

Add those together and you have your required annual billing: the total you must invoice across the year so that, after the business pays its overheads, what is left equals the income you were aiming for. The freelancer day rate calculator does this addition and the division that follows, but it is worth understanding by hand so you can defend the figure.

Why billable days are far fewer than working days

This is the step the naïve method skips entirely. Start from the calendar and take it apart honestly:

Run that down and most established freelancers land somewhere around 200 to 230 billable days a year. Newer freelancers, with thinner pipelines and more time spent winning work, often land lower. Use a figure you can genuinely defend, not the optimistic one that makes the rate look comfortable — optimism here understates the rate you should be charging.

The backwards method, with a worked example

Put the pieces together:

  1. Required annual billing = target pre-tax income + annual business costs.
  2. Day rate = required annual billing ÷ realistic billable days.
  3. Hourly rate = day rate ÷ billable hours in a day.

Worked through: suppose you want a £45,000 pre-tax income, and your yearly business costs come to £6,000. Required annual billing is £45,000 + £6,000 = £51,000. You have honestly assessed that you can bill 220 days after holiday, public holidays, sickness, admin and pipeline gaps. Your day rate is £51,000 ÷ 220 = £231.82. Across a 7.5-hour billable day, that is £231.82 ÷ 7.5 = £30.91 an hour.

Compare that with the naïve sum: £45,000 ÷ 260 = £173 a day, with costs ignored entirely. That gap — roughly £59 a day, and around £13,000 across the year — is the money the 260-day method silently gives away.

The hourly conversion is just the day rate spread over chargeable hours; it is useful for hourly contracts, but the day rate is the figure to anchor on. If you want to think in terms of covering your costs first, a break-even calculator frames the same question from the cost side: the point where billing stops losing you money.

Raising your rate over time

The method above gets you to the income and costs you want — it is a floor, not a ceiling. It does not include a profit margin for reinvestment, lean months, or simply being good at the work. If you want one, add it to either the target income or the business costs and re-run the figure; it will flow straight through to the rate.

Review the number at least yearly. Costs creep, experience compounds, and a rate set in your first year is almost always too low by your third. If you also resell goods or sub-contract work, a margin & markup calculator helps you set prices on that side consistently rather than by guesswork. And revisit the freelancer day rate calculator whenever your costs or realistic billable days shift — both move more than people expect.

An honest note: this is rate-setting, not tax advice

Everything above is pre-tax billing arithmetic. Income tax, National Insurance, VAT and pension contributions are deliberately left out, because they depend entirely on your circumstances — your structure, your other income, your VAT position — and they change over time. Treat "target income" as the pre-tax earnings the business must generate, and take separate, qualified advice on what you actually keep after tax. This guide tells you what to charge to hit a billing target; it does not, and cannot, tell you your tax position.

Next steps: work out your real billable days and annual costs honestly, run the numbers through the freelancer day rate calculator, and treat the result as a defensible starting point to confirm against your own circumstances — not a final answer.