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Billable vs Non Billable Hours

Billable hours are client work that can usually be charged. Non billable hours support the business but are not usually invoiced directly. This guide explains the difference, examples, and how to track both accurately.

Educational resource

Billable vs non billable

Legal and professional services

Billable hours are hours spent on client work that can be charged to a client.

Non billable hours are work hours that cannot usually be charged directly to a client, even though they may still be important to the business.

The difference matters because professional services firms need to understand how time is spent, what work creates revenue, and where valuable work may be missed.


Simple example A lawyer reviewing a contract for a client is usually doing billable work.The same lawyer attending an internal firm training session is usually doing non billable work.Both may be necessary. Only one is usually charged to the client.

Billable vs non-billable time entry
Billable vs non-billable time entry


What Are Billable Hours?

Billable hours are hours spent on work that can be invoiced to a client. In a law firm, billable hours may include legal research, client calls, contract review, matter-related emails, drafting, court preparation, discovery review, or negotiation preparation.

In other professional services firms, billable hours may include consulting work, accounting work, audit support, client implementation work, technical services, or client project delivery.


👉 The key question is: did this work directly support a client matter, project, case, or engagement? If the answer is yes and the client agreement allows it, the time may be billable.

What Are Non Billable Hours?

Non billable hours are work hours that are not usually charged directly to a client.


Non billable work may still be valuable. It often supports the firm's operations, growth, people, systems, or long term quality.


Examples include internal meetings, training, marketing, business development, administration, recruiting, internal reporting, general research, and software setup.


Non billable does not mean useless. It means the time is not usually invoiced to a client.

Billable vs Non Billable Hours: Main Difference

The main difference is whether the work can be charged to a client. Billable hours are connected to client work and may become revenue. Non billable hours support the business but are not usually invoiced directly.

Billable

  • Reviewing a contract for a client

  • Preparing a client report

  • Attending a client strategy call

Non billable

  • Joining a general firmwide meeting

  • Updating an internal process document

  • Attending internal software training

The distinction depends on the client agreement, billing policy, matter type, and work performed.

Decision tree for classifying work as billable or non-billable using the client matter and billing rules.
Client agreements and billing guidelines determine whether matter-related work can be billed.

Examples

Billable Hours Examples

Common billable work examples include:


  • Client meetings

  • Client calls

  • Matter related emails

  • Legal research

  • Document drafting

  • Contract review

  • Discovery review

  • Court preparation

  • Case strategy

  • Preparing legal advice

  • Reviewing evidence

  • Drafting pleadings

  • Preparing client deliverables

  • Consulting analysis

  • Tax preparation

  • Audit work

  • Technical implementation

  • Client project reporting


The work should be connected to a client outcome.


Non Billable Hours Examples

Common non billable work examples include:


  • Internal team meetings

  • General administration

  • Training

  • Recruiting

  • Marketing

  • Business development

  • Internal reporting

  • Firm management

  • Internal software setup

  • Knowledge sharing

  • Performance reviews

  • General research not tied to a client matter

  • Updating internal templates

  • Practice development

  • Company planning


Some non billable work may later support billable work indirectly, but it is not usually charged to a specific client.

Matrix grouping common legal work into usually billable, usually non-billable, and check-the-agreement categories.
Common activities fall into usually billable, usually non-billable, or context-dependent categories.

Billable vs Non Billable Hours in Law Firms

Law firms need to separate billable and non billable time clearly because client billing depends on accurate time records.


Billable legal work

Reviewing a client contract, drafting a motion, preparing for a hearing, conducting matter research, reviewing discovery, joining a client call, or preparing negotiation strategy.

Non billable legal work

Internal training, general firm administration, marketing activities, recruiting interviews, internal knowledge sharing, practice group meetings, or updating internal templates.


Some activities can be either billable or non billable depending on the context. A meeting about a specific client matter may be billable. A general internal department meeting is usually non billable.



Why the Difference Matters

The difference between billable and non billable time matters because it affects revenue, profitability, staffing, pricing, and client transparency.


Firms need to know:


  • How much client work is being performed

  • How much work is being missed

  • How much time is spent on internal operations

  • Which clients or matters require the most effort

  • Whether pricing is realistic

  • Whether lawyers or professionals are overloaded

  • Whether too much time is being lost to administration


Without clear time tracking, a firm may not know whether it is profitable, efficient, or underbilling completed work.

Why Billable Time Gets Missed

Billable time often gets missed because work happens across too many places.


A lawyer may review a document, answer a matter related email, attend a calendar meeting, research a legal issue, and speak with a client, all before lunch. By the time the lawyer enters time, small tasks may be forgotten.


  • Time is entered too late

  • Manual timers are not started

  • Short calls are forgotten

  • Calendar meetings are not reviewed

  • Document work is not captured

  • Emails are reconstructed from memory

  • Descriptions are written too quickly

  • Lawyers switch between matters throughout the day

  • The firm relies on manual timesheets


Missed billable time is especially dangerous because the work was already done. The firm simply fails to capture it.

Why Non Billable Time Should Still Be Tracked

Some firms only focus on billable time, but non billable time also matters.


Tracking non billable time helps firms understand administrative workload, training investment, business development effort, internal management cost, software and process friction, recruiting time, operational inefficiency, utilization, and workload balance.


For example, if lawyers spend too much time on administrative work, the firm may need better processes, better staffing, or better tools.


Non billable time is not automatically bad. But if it is invisible, the firm cannot manage it.

Billable and Non Billable Time in Client Agreements


Whether time is billable often depends on the client agreement. Some clients allow certain types of work. Some clients restrict internal meetings, travel time, research time, administrative tasks, or communication between lawyers.


Some clients require task codes, activity codes, detailed descriptions, or outside counsel guideline compliance. This means two similar tasks may be treated differently depending on the client.


A law firm should always follow the client's billing rules and matter agreement.


Examples of Work That Can Be Either Billable or Non Billable

Some tasks are not automatically billable or non billable. Context matters.

Meetings

A client strategy meeting may be billable. A general internal team meeting is usually non billable.

Research

Legal research for a client matter may be billable. General research for professional development is usually non billable.

Emails

Matter related client emails may be billable. Internal administrative emails are usually non billable.

Travel

Travel may be billable, partially billable, or non billable depending on the client agreement.

Training

Client specific training required for a matter may be billable in some cases. General firm training is usually non billable.


Billable vs Non Billable Hours and Utilization

Billable utilization measures how much working time is spent on billable work.

Weekly hours

40 total hours worked

Billable hours

28 hours are billable

Non billable hours

12 hours are non billable

Utilization rate 28 divided by 40 = 70 %


Utilization helps firms understand how time is being used, but it should be interpreted carefully. A high billable utilization rate can indicate strong client work. A low billable utilization rate can indicate too much administrative time, weak demand, poor staffing, or heavy investment in non billable initiatives.


Not all non billable time is waste. Some non billable work builds the firm.

Billable vs Non Billable Hours and Profitability

Profitability depends on more than the number of billable hours. A firm also needs to understand billing rates, realization, write offs, staffing mix, matter budgets, client agreements, non billable workload, time entry quality, and invoice review delays.


A firm may have many billable hours but still lose profitability if too much time is written off or if billing descriptions are unclear.


Clear time tracking helps firms understand where the problem starts.

How to Track Billable and Non Billable Hours

A good time record should capture both billable and non billable work. For each entry, firms should track:


  • Date

  • Timekeeper

  • Client or matter, if applicable

  • Work description

  • Duration

  • Billable or non billable status

  • Task or activity code, if required

  • Review status

  • Billing status


The goal is to create a clear record of how work was performed. This is where legal timekeeping software and legal time entry software can help.

Good Billable Time Entry Examples

Weak

Better

Reviewed documents.

Reviewed revised purchase agreement and analyzed indemnity and termination provisions for client comments.

Call with client.

Joined client call to discuss discovery timeline, document production issues, and next steps for response strategy.

Research.

Researched enforceability of non compete provisions under applicable state law for employment agreement review.


Clear descriptions help billing reviewers and clients understand the value of the work.


Good Non Billable Time Entry Examples

Weak

Better

Admin.

Updated internal matter checklist for litigation intake process.

Training.

Attended internal training on new document management workflow.

Meeting.

Joined internal practice group meeting to review staffing and workload planning.

Tracking non billable time clearly helps the firm understand internal cost and operational patterns.

Common Mistakes with Billable and Non Billable Hours

  • Not tracking non billable time at all

  • Entering billable time too late

  • Using vague descriptions

  • Putting time under the wrong matter

  • Treating every internal meeting as billable

  • Forgetting short client tasks

  • Not reviewing calendar events

  • Ignoring client billing guidelines

  • Using manual timers inconsistently

  • Failing to review entries before billing


The biggest issue is often not whether people understand the difference. It is whether the firm captures the time accurately when the work happens.

Best Practices for Managing Billable and Non Billable Time

  • Track time daily

  • Record work as close to the activity as possible

  • Use clear descriptions

  • Separate billable and non billable work

  • Review calendar activity

  • Capture short tasks before they are forgotten

  • Follow client billing guidelines

  • Use task and activity codes when required

  • Review entries before billing

  • Analyze non billable time for process improvement

  • Use software that fits the daily workflow


A good process should help professionals capture time accurately without adding unnecessary friction.

How Technology Helps

Timekeeping software can help firms capture billable and non billable time more accurately.


  • Capturing activity from daily work tools

  • Reviewing time entries before billing

  • Tracking calendar based work

  • Improving descriptions

  • Supporting billable and non billable classification

  • Connecting entries to clients or matters

  • Reducing manual reconstruction

  • Releasing approved time to finance or billing systems


The goal is not simply to track more hours. The goal is to create a more accurate and useful record of work. Learn more about billable time tracking and automated time tracking for lawyers.

For a connected workflow, explore Billable Time Tracking for Law Firms.

Billable vs Non Billable Hours Summary

Billable hours are client related hours that can usually be charged. Non billable hours are work hours that support the business but are not usually invoiced directly.


Both matter. Billable time affects revenue. Non billable time affects operations, capacity, profitability, and firm management.


The best firms understand both types of time and track them accurately.

Related Resources

What is the difference between billable and non billable hours?

Billable hours are spent on client work that can usually be charged to the client. Non billable hours are spent on work that supports the business but is not usually charged directly to a client.

Examples of billable hours include client calls, legal research, document drafting, contract review, discovery review, court preparation, consulting work, audit work, and client project delivery.

Examples of non billable hours include internal meetings, training, marketing, administration, business development, recruiting, internal reporting, and general firm management.

It depends on the meeting. A meeting directly related to a client matter may be billable if the client agreement allows it. A general internal meeting is usually non billable.

Yes. Tracking non billable hours helps law firms understand administrative workload, training time, business development effort, operational cost, and utilization.

Yes. Non billable work can support training, firm growth, operations, marketing, recruiting, and management. It is not necessarily waste.

Yes. Non billable work can support training, firm growth, operations, marketing, recruiting, and management. It is not necessarily waste.

Firms can track time more accurately by recording time daily, using clear descriptions, reviewing calendar activity, capturing short tasks, following client billing rules, and using timekeeping software that fits daily workflows.


Wavy Surface

Capture Billable and Non Billable Time More Accurately

Understanding the difference between billable and non billable hours is simple. Capturing both accurately during a busy legal workday is harder. MIRA Timekeeping AI helps law firms capture billable and non billable work activity, review time inside Microsoft Teams, and prepare clearer billable descriptions before billing review.
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