Law Firm Staffing Calculator
How many paralegals and support staff does your firm actually need? Work backward from your caseload to a defensible number, see your support to attorney ratio, and find the gap to close.
Response within one business day
Caseload
based, not a rule of thumb
Ratio
support to attorney, calculated
Free
no signup needed
Your inputs
Start with a firm profile, then adjust any number to match yours. The result updates as you type.
Your result
How many support staff your caseload calls for, and the gap between that and your team today.
Support staff your caseload calls for
2.5 full-time
315 support hours per month across 90 active matters
Current ratio
0.7 : 1
support to attorney
Recommended ratio
0.8 : 1
support to attorney
Estimated staffing gap
0.5 more
About 35 support hours a month are not covered today
How the staffing need is calculated
- Active matters
- 90
- Support hours generated per month
- 315 hrs
- Hours your current team covers
- 280 hrs
- Uncovered support hours
- 35 hrs
- Recommended support staff
- 2.5 FTE
One full-time person here means 140 productive task hours a month. Lower that figure if your support roles spend heavy time in meetings or training.
Estimates only. Defaults reflect common ranges for United States law firms and are fully editable. Actual staffing need depends on practice area, matter complexity, and how much routine work your attorneys still handle themselves.
Staffing by gut feel is how firms end up over or under water
Most firms decide how many paralegals and assistants to hire the same way they decide most things, by feel. The team feels stretched, so someone gets hired. A few quiet months pass and a role goes unfilled. The trouble with feel is that it lags reality by months and tends to swing too far in both directions. Firms that staff by instinct spend a stretch badly understaffed, burning attorney hours on admin and bleeding intake, then overcorrect and carry payroll they do not need.
This calculator replaces the feel with arithmetic. It does not start from an industry ratio and apply it to your firm, because averages hide enormous variation between practice areas. Instead it starts where the work actually comes from, your caseload, and works forward. How many active matters do your attorneys carry, how much routine support does each matter generate in a month, and how many of those hours can one full-time person realistically cover. From those three inputs it gives you a number you can defend, your recommended support staff, alongside the support to attorney ratio it implies and the gap between that and the team you have today.
How the staffing number is calculated
The logic is deliberately simple, because a staffing plan you can explain to a partner is one you can act on. It moves in four steps, and you can follow every one of them in the breakdown the tool prints under your result.
1. Total your active matters
Multiply your number of attorneys by the active matters each one carries. A firm with four attorneys at thirty open files each is running a hundred and sixty active matters. This is the true denominator of support work, not headcount.
2. Price the support each matter needs
Multiply active matters by the routine support hours a single matter generates in a month. Intake, scheduling, document assembly, records, filing prep, billing, and client updates all add up. Most matters land between two and six hours a month depending on practice area.
3. Convert hours into people
Divide total monthly support hours by the productive task hours one full-time person delivers. That is rarely the full one hundred sixty hours on paper. After meetings, training, and context switching, a realistic figure is around one hundred forty, and the tool lets you set your own.
4. Compare to the team you have
Subtract the capacity of your current support staff from the support hours your caseload generates. What remains is the gap, expressed in both uncovered hours and the additional people it would take to cover them.
The headline result is the recommended support staff, rounded to the nearest half person so it reads like a real plan rather than a false-precision decimal. Once you know the number, the next question is what each of those people costs, which the legal staff cost calculator answers for both an in-house and an offshore hire.
What a healthy support to attorney ratio looks like
The paralegal to attorney ratio is the number firm owners reach for first, and it is a useful sanity check, but it is a symptom rather than a cause. The ratio is whatever falls out of your caseload and how you choose to cover it. Still, it helps to know where the common ranges sit so you can tell whether your calculated number is sensible.
High-volume practice: closer to 1.5 to 2 support per attorney
Personal injury, immigration, and high-volume consumer practices generate heavy, repeatable support work on every file. Records retrieval, intake, lien resolution, and status updates pile up fast, so these firms tend to need more support per attorney than any other. Running lean here usually means leaving cases and intake on the table.
General and small-firm practice: around 1 support per attorney
Family law, estate planning, small business, and general civil practice often settle near a one to one ratio. There is enough routine work to keep a dedicated support person busy per attorney, but not the sheer file volume of high-throughput practices. This is the most common shape for firms in the three to ten attorney range.
Complex, low-volume practice: 1 support per 2 to 3 attorneys
Appellate, transactional, and specialized litigation work tends to involve fewer matters that each demand deep attorney attention rather than high administrative volume. These firms can run leaner on support, though they often need more senior, specialized paralegals rather than more bodies.
Use these bands as a gut check, not a target. If the calculator recommends a ratio far outside the range for your practice area, revisit your support-hours-per-matter input, because that is usually where the estimate drifts. For a deeper look at how the support roles differ, the paralegals versus legal assistants guide breaks down who does what.
Four signs your firm is understaffed on support
A staffing gap rarely announces itself as a number. It shows up as friction, the kind that is easy to write off as a busy season until it becomes the permanent state of the firm. If you recognize more than one of these, the calculator above will usually confirm it.
1Attorneys are doing paralegal work
The clearest sign of understaffing is not a missed deadline. It is a partner at 350 dollars an hour formatting a brief, chasing a medical record, or rebuilding a calendar entry. When fee earners absorb support work, the firm looks busy and productive while quietly capping its own revenue. The work gets done, but at the most expensive rate in the building.
2Deadlines and follow-ups slip through
A right-sized support team has slack to catch the things that fall between matters. An understaffed one runs at the edge, so a single sick day or a busy trial week turns into a missed filing, an unreturned client call, or an intake that never got followed up. The cost of the gap is rarely the salary you saved. It is the malpractice exposure and the lost client.
3Intake conversion is leaking
New matters are the lifeblood of the firm, and they are also the first thing to suffer when support is thin. Calls go to voicemail, qualified leads wait days for a callback, and engagement letters sit unsigned. If your firm spends on marketing but cannot answer and convert the leads it generates, the constraint is staffing, not lead volume.
4Onboarding a new matter takes too long
When it takes a week to open a file, set up the matter, request records, and schedule the first round of work, the bottleneck is almost always support capacity. The attorney is ready to work the case. The administrative runway to get there is what is missing, and every day of delay pushes resolution and payment further out.
The pattern underneath all four is the same. The work has outgrown the team, so it gets absorbed by whoever has the least slack, which in a busy firm is usually the most expensive person. To see what that absorbed work is worth in lost billable revenue, the billable hours recovery calculator prices it at your own rate.
Which roles to add first to close the gap
Once the calculator shows a gap, the next decision is what to fill it with. The fastest wins come from the roles built around high-volume, repeatable work, because the workflows are well defined and a new hire is productive quickly. These are the roles firms most often staff offshore first.
Paralegals
Discovery support, records, case prep
Legal intake specialists
Lead response, qualification, follow-up
Legal calendar specialists
Deposition, hearing, and deadline scheduling
Document specialists
Formatting, exhibits, filing prep
Legal billing assistants
Time entry, invoicing, trust admin
Virtual legal assistants
Inbox, scheduling, client updates
The order matters less than the discipline. Pick the single workflow eating the most senior time today, staff it cleanly, and let the freed capacity fund the next move. Firms that try to fill the whole gap in one hire stall on training. Firms that add one well-scoped role at a time compound. When you are ready to map your own sequence, the how it works page walks through scoping the first role.
How to read your result honestly
The calculator gives you three things, and each answers a different question. The recommended support staff is the size of the job, the number of full-time people your caseload would keep busy at a realistic pace. Treat it as a target to plan toward, not a requisition to fill all at once. The two ratios put that number in context, showing where you sit today versus where the workload points.
The staffing gap is the figure that drives action. When it shows you are short half a person or more, that is unmet support demand landing on someone, usually an attorney or an already-stretched paralegal. When it shows headroom, you have room to take on more matters before your next hire, which is useful to know before you spend on marketing. And when it reports your team is balanced, that is permission to stop second-guessing your payroll and focus elsewhere.
A few rules keep the estimate defensible. Use a support-hours-per-matter figure that reflects your messiest practice area, not your cleanest, because the busy files set the pace. Lower the productive-hours figure during any month with onboarding or heavy training. And remember that a half-person gap is often best filled with offshore staff rather than a full domestic salary, since you can buy exactly the hours you are missing without the benefits, office, and recruiting load of a full-time hire. Our transparent pricing shows what that single hourly rate covers.
Frequently asked questions
How many paralegals does a law firm need per attorney?
There is no single correct ratio, but most healthy firms land somewhere between one support person for every two attorneys and two support people for every attorney, depending on practice area. High-volume work like personal injury or immigration leans toward more support per attorney because each matter generates heavy records, intake, and scheduling work. Lower-volume, high-complexity work like appellate or transactional practice can run leaner. This calculator skips the rule of thumb and works backward from your actual caseload, which is more accurate than any fixed ratio.
What is a good paralegal to attorney ratio?
A common benchmark is one paralegal or legal assistant per attorney, but the right number depends on how much routine work each matter creates and how much of it the attorneys still do themselves. A litigation boutique with a handful of complex cases may be fine at one support person for two or three attorneys. A personal injury firm running hundreds of active files often needs closer to one and a half or two support staff per attorney. The recommended ratio this tool produces is derived from your own inputs rather than an industry average, so it reflects your matters, not someone else's.
How does the law firm staffing calculator work?
It works backward from your caseload. First it multiplies your attorneys by the active matters each one carries to get your total open files. Then it multiplies that by the support hours each matter needs in a month to get total monthly support hours. It divides that by the productive hours one full-time support person delivers, which gives the number of support staff your caseload calls for. Finally it compares that to the team you have today and shows the gap in both people and uncovered hours.
How many productive hours does one support person actually deliver?
A full-time role is roughly 160 hours a month on paper, but very little of that converts to clean task time. Between meetings, training, breaks, system downtime, and context switching, most firms see 130 to 150 productive task hours per support person in a typical month. The calculator defaults to 140, which is realistic for an experienced hire in a settled workflow. New staff in their first month or two deliver less, so lower the figure during onboarding to avoid overestimating your real capacity.
Should I hire a full-time paralegal or fill the gap with offshore staff?
It depends on the size and shape of the gap. If the calculator shows you are short half a person, hiring a full-time domestic paralegal means paying for a whole salary plus benefits, office, and recruiting to cover part-time work. Offshore staff let you add exactly the hours you are missing at a fraction of the loaded cost, which is why firms often use them to close partial gaps and handle high-volume routine work. For a side-by-side on the dollars, the legal staff cost calculator on this site compares a fully loaded in-house hire against an offshore one.
What kind of work should the recommended support staff handle?
The support hours in this model are the routine, delegatable parts of running a matter: intake and lead follow-up, scheduling and calendaring, document formatting and assembly, records and discovery requests, e-filing prep, billing and time entry, and client status updates. These are high-volume, repeatable tasks with clear handoffs, which is exactly why they are the first things firms move off attorney and paralegal plates. Work that requires legal judgment, a bar license, or a direct attorney relationship stays in house.
Turn your staffing number into a hiring plan
Book a free consultation and we will map your caseload to the right support roles, then show you how to fill the gap offshore without the full cost of a domestic hire.