Consulting Hourly Rate Calculator

Background.

Setting a consulting rate goes wrong in a predictable way. Someone takes the salary they used to earn, divides by 2,080 hours, adds a bit, and arrives at a number that quietly guarantees they will earn less than they did as an employee. The arithmetic misses three things: a salaried year contained paid holiday, sick leave and employer-side benefits that nobody is paying for any more; a consultant cannot invoice every working hour; and a self-employed person is paying costs and taxes that were previously invisible.

This calculator builds the rate the other way round, from the bottom up. Start with the income you want to keep. Gross it up for the tax you will owe. Add your annual business expenses. Divide by the hours you can genuinely invoice in a year — not the hours you work, the hours you bill. Add a buffer for the work that never gets paid for. The result is the hourly rate that makes your target income actually happen. Switch the dropdown and it runs backwards instead: enter a rate you are considering and see what it leaves after overhead and tax.

The field that decides almost everything is billable utilisation. Selling, writing proposals, invoicing, bookkeeping, learning, and the overruns you decide not to bill all come out of your working week without producing revenue. An established solo consultant working a full week typically bills 50–70% of it. The default here is 60%, which across 46 working weeks of 40 hours gives 1,104 billable hours — not the 2,080 an employee's salary was divided by. That difference alone is most of the gap between a salary and the rate that replaces it.

One output deserves particular attention: cost of doing business per hour. That is your annual overhead spread across your billable hours, and it is the amount you must recover on every invoiced hour before you have earned a single cent for yourself. On the default figures it is $16.30 an hour. Everything you charge above that is what you are actually working for — and it is why a $50 rate is not two-thirds of a $75 rate but about 57% of it once overhead is stripped out of both.

Two scope limits change how the result should be read, and both matter before you quote anyone. First, the tax set-aside is a planning assumption that you choose, not a tax computation. Self-employment tax alone is 15.3% — 12.4% for social security plus 2.9% for Medicare, per IRS guidance — but the social security portion applies only up to an annual wage base that is re-set every year, an Additional Medicare Tax of 0.9% applies above filing-status thresholds, half of self-employment tax is deductible against adjusted gross income, and federal and state income tax sit on top of all of it. Those figures move annually, so this page deliberately does not bake any of them in. Use your own effective rate, or your accountant's.

Second, and more fundamentally, this is cost-based pricing. It tells you the floor beneath which the work loses money. It cannot tell you what the work is worth to the client, which is a different question with a frequently much larger answer. Use this number to know when to walk away from an engagement, and use the value of the outcome to decide what to ask for when you do not.

What is consulting hourly rate calculator?

A consulting hourly rate built on cost is the price per billable hour that recovers three things: the business's overhead, the tax you will owe, and the income you intend to keep — spread across the hours you can realistically invoice. Structurally it is the one-person version of the indirect-cost allocation that federal contracting has formalised for decades. FAR 31.203 defines indirect costs as "those remaining to be allocated to intermediate or two or more final cost objectives" and requires contractors to "accumulate indirect costs by logical cost groupings" allocated over "an allocation base that is common to all cost objectives to which the grouping is to be allocated". For an independent consultant there is exactly one pool — annual business expenses — and one base: annual billable hours. Dividing the pool by the base gives the overhead recovery per hour, which is stacked on top of the hourly income requirement and then grossed up for tax and a contingency buffer. Billable hours are the product of weeks worked, hours per week and billable utilisation; utilisation is the fraction of working time that can actually be invoiced once selling, administration and unbilled work are removed. The resulting rate is a cost floor. It is not a market price, and nothing in the calculation reflects what a client is willing to pay for the outcome.

How to use this calculator.

1. 01Pick a direction. Solve for a rate if you know what you need to earn. Solve for income if you already have a rate in mind and want to know what it really leaves you — that direction is the better reality check on an offer you have been made.
2. 02Enter your target take-home income: what you want to keep after business expenses and after the tax set-aside. Do not enter your old salary here unless you also intend to fund your own holiday, sick leave and benefits out of it, because you will be.
3. 03Add up your annual business expenses honestly. Software, professional indemnity and liability insurance, equipment and its replacement, accounting and legal fees, workspace, travel, marketing, training, professional memberships and health cover. Everything a salaried job used to absorb silently now sits here.
4. 04Set weeks worked and hours per week for the shape of year you actually intend to have. Then set billable utilisation — the single most important field on the page. Count the hours you can genuinely invoice, not the hours you sit at the desk. If you have never measured it, start at 55–60% rather than the 80% that feels right.
5. 05Choose a tax set-aside. This is your assumption, not a calculation: self-employment tax plus federal and state income tax at your expected effective rate. Ask your accountant for the figure if you are unsure, and revisit it each year — the social security wage base and the tax brackets both move.
6. 06Set a profit and contingency buffer. It covers bad debt, scope creep you decide not to bill, and reinvestment. Set it to zero to see the bare cost-recovery rate — the number below which you are working for nothing.
7. 07Read the cost of doing business per hour before anything else. It is what you must recover on every billed hour just to keep the lights on, and it is the figure that makes a low headline rate look as bad as it really is.
8. 08Treat the answer as a floor, then price the work on its value. The calculator tells you when to decline. It does not tell you what to ask for.

The formula.

Billable hours per year are weeks worked × hours per week × utilisation. Solving for a rate, the calculator grosses your target take-home income up for tax — target ÷ (1 − tax rate) — adds annual business expenses to get the total the business must generate before the buffer, divides by billable hours to get a base hourly rate, and then divides by (1 − buffer) to add the contingency on top. Dividing rather than multiplying is deliberate: a 10% buffer means the buffer is 10% of the final rate, not 10% of the cost, which is the same distinction as margin versus markup.

Solving for income runs the identical chain backwards. The rate is multiplied by (1 − buffer) to strip the contingency, multiplied by billable hours to get annual billings before the buffer, reduced by business expenses to get pre-tax income, and multiplied by (1 − tax rate) to get take-home. Feeding the rate from one direction into the other returns the income you started with, which is asserted in the tests across several very different schedules.

Cost of doing business per hour is annual business expenses ÷ billable hours, reported in both directions. Annual billings needed is the rate × billable hours, and the day rate is the hourly rate × 8.

Rounding stage: nothing is rounded part-way through. Every division is carried at full decimal precision and rounded exactly once, at the point the result is returned, to ten decimal places; currency formatting is applied afterwards by the page. This is why the day rate is not always exactly eight times the displayed hourly rate to the cent — both are computed from the same unrounded figure rather than one from the other's rounded form.

Using the worked example: 46 weeks × 40 hours × 60% = 1,104 billable hours. A $100,000 take-home target grossed up at a 25% set-aside needs $133,333.33 of pre-tax income; adding $18,000 of expenses gives $151,333.33, which over 1,104 hours is $137.08 an hour. Dividing by 0.90 for the buffer gives a recommended rate of $152.31, a day rate of $1,218.46, and annual billings of $168,148.15. Overhead recovery is $18,000 ÷ 1,104 = $16.30 per billable hour.

Domain rules: the tax set-aside and the buffer must each stay below 100%, because both appear as (1 − p) in a denominator and at 100% no finite rate could recover them. Utilisation must be above 0% and at most 100%. In income mode a take-home below zero is returned rather than rejected — that is the honest answer when a rate does not cover overhead.

A worked example.

Frequently asked questions.

References& sources.

1. [1]Internal Revenue Service, "Self-Employment Tax (Social Security and Medicare Taxes)" (retrieved 2026-07-29). Source for the 15.3% self-employment tax rate and its 12.4% social security / 2.9% Medicare components, for the annual social security wage base that changes each year (stated as $168,600 for tax year 2024 at the time of retrieval), for the 0.9% Additional Medicare Tax thresholds of $200,000 / $250,000 / $125,000 by filing status, and for the deductibility of the employer-equivalent portion. These figures are the reason the tax set-aside on this page is a user input rather than a baked-in constant. Open access.
2. [2]Federal Acquisition Regulation 31.203 "Indirect costs" (acquisition.gov; retrieved 2026-07-29). Independent second authority for the rate build-up structure: indirect costs are "those remaining to be allocated to intermediate or two or more final cost objectives", accumulated "by logical cost groupings" and allocated over "an allocation base that is common to all cost objectives to which the grouping is to be allocated". This calculator applies that structure with one pool (annual business expenses) and one base (annual billable hours). Open access.
3. [3]U.S. Small Business Administration, "Calculate your startup costs" (retrieved 2026-07-29). Source for the discipline of separating one-time from recurring expenses — "you should organize your expenses into one-time expenses and monthly expenses" — and for using the resulting cost base to estimate profits and conduct a break-even analysis. Underpins the annual-business-expenses input on this page. Open access.
4. [4]OpenStax, Principles of Accounting, Volume 2: Managerial Accounting, §2.2 "Identify and Apply Basic Cost Behavior Patterns" (retrieved 2026-07-29). Source for the fixed / variable cost distinction that separates a consultant's standing overhead from per-engagement costs, and for the relevant-range caveat that limits how far a rate built at one workload can be extrapolated to another. Open access.