How Do I Determine Lost Wages In Personal Injury Litigation?

Professional photograph of personal injury attorney John Mattiacci, a young caucasian man with short brown hair, crossing his arms and smiling, wearing a steel-blue suit, white shirt, silver tie, and wedding ring. There is a brick building and green shrubbery in the background.
I hope you enjoy reading this blog post. If you want to hire a personal injury lawyer, click here.

Author: John Mattiacci | Owner Mattiacci Law
Published November 1, 2025

How Do I Determine Lost Wages In Personal Injury Litigation

Getting injured and missing work can throw your whole life off balance. The pain and recovery are one thing, but watching your income stop while the bills keep coming is a whole different headache.

The good news is, you can claim those lost wages as part of your personal injury case. It just takes a little math and the right proof.

In this post, we’ll help you determine lost wages in personal injury litigation​.

#1. Start With Your Regular Pay

Begin with your basic income which is what you’d normally bring home from work. 

If you’re paid hourly, just multiply your hourly rate by the number of hours you missed. Pretty straightforward. If you’re salaried, divide your annual pay by 52 to get your weekly rate, then multiply that by however many weeks you were out.

For example, let’s say you make $1,200 a week and were off for five weeks. 

That’s $1200 x 5 = $6,000 in lost wages right there.  

This part’s the foundation for everything else. Once you’ve nailed down your base pay, you can start adding in all the other things you missed because your paycheck probably isn’t the whole story.

Also Read: How Long Does a Personal Injury Case Take?

#2. Add Overtime, Bonuses, And Tips

Now it’s time to look beyond your base pay. 

If you usually work overtime, earn bonuses, or collect tips, those count too. It should show what you normally earn, not just what your hourly rate says on paper.

How To Determine Lost Wages In Personal Injury Litigation

If you’re a server, bartender, or someone who works off commission, those extras can make up a big chunk of your income. 

Grab your pay stubs or W-2s from the months before your accident, and they’ll show what your earnings typically looked like. Even if you can’t put an exact number on it, your lawyer can estimate based on your past records. 

The idea is to paint a clear picture of your actual earnings before the injury knocked you off track.

#3. Include Missed Opportunities

Sometimes, it’s not just about the money you didn’t earn, it’s also about what you missed out on. 

Maybe you were lined up for a promotion, or you had a big project that could’ve earned you a nice bonus. Those missed chances can be part of your lost wages too.

This also includes lost commissions, contract work you had to turn down, or freelance gigs that slipped through your fingers. 

Anything that would’ve put money in your pocket if you hadn’t been injured is fair game.

Just make sure you’ve got proof. That might be an email from your employer, client contracts, or old pay records showing your usual pattern of earnings. 

The more documentation, the easier it is to show those lost opportunities were real, not just hypothetical.

Also Read: Should I Accept The Insurance Company’s First Settlement Offer?

Your Path To Recovery
Need Award Winning Representation for Your Settlements & Award Case?
Our experts are ready to help you claim the compensation you need to move forward.

#4. Factor In Sick Leave Or PTO

Here’s something a lot of people forget: if you used up your paid time off or sick days while you were recovering, that’s still considered a loss. 

Sure, you got paid, but you lost the ability to use those days in the future. 

You basically burned through your safety net because of someone else’s mistake.

Your lawyer can calculate the value of those days based on your normal daily pay. It may seem small, but those numbers add up. Plus, you deserve to have those benefits restored, at least financially.

#5. Look At Future Lost Income (If Applicable)

If your injuries are long-term or permanent, you might be facing months (or even years) of reduced earnings. 

That’s where future lost income comes in. This part can get a little more complex because it’s not just about what you’ve already missed, it’s about what you’ll keep missing.

To figure that out, your lawyer might bring in experts like economists or vocational specialists. 

They look at things like your age, education, career path, and how your injury limits your ability to work. Then they estimate how much you would’ve earned if you hadn’t been hurt versus what you can realistically earn now.

This number can be huge, especially if your injury keeps you from returning to your old job or forces you to take lower-paying work. 

It’s meant to cover the long-term hit to your career and income potential.

Add Overtime, Bonuses, And Tips

Also Read: How Much Compensation Will I Get For Bike Accident?

#6. Collect Solid Documentation

Documentation is everything in a lost wages claim. You can’t just say, “I missed a bunch of work.” You’ve got to show it.

Here’s what helps most:

  • Recent pay stubs or W-2s showing your normal income
  • A doctor’s note confirming you couldn’t work
  • A letter from your employer stating how long you were out and what your pay rate is

If you’re salaried or hourly, this stuff is pretty easy to gather. If your income is more variable, you might also want to include tax returns or past invoices. You have to show consistency – that your income was stable before the injury and clearly dropped afterward.

The stronger your paper trail, the harder it is for the insurance company to argue against it.

#7. Self-Employed Or Gig Workers

If you’re self-employed, work freelance, or have multiple side gigs, things can get a bit more complicated. You don’t have a paycheck to point to, so you’ll need to get creative with proof.

Tax returns are the best place to start since they show your average yearly income

You can also use:

  • Invoices or payment records from clients
  • Bank statements showing regular deposits
  • Contracts for upcoming projects you couldn’t complete

If you’ve got an accountant, they can help calculate your average monthly income and show how much work you lost because of your injury. 

You have to prove that your income took a real hit and that it wasn’t just a slow month.

#8. Don’t Forget Benefits And Perks

Lost wages are not just your paycheck. You can also include lost benefits and perks that have a real dollar value. For example:

  • Health insurance contributions your employer normally pays
  • Retirement plan contributions like 401(k) matches
  • Company stock options or profit-sharing
  • Car or phone allowances if they were tied to your job

All these things add up. If your injury kept you off the job long enough, losing those benefits can have a lasting impact on your finances. 

Your lawyer can help calculate their value so nothing slips through the cracks.

Bottom Line

To determine lost wages in personal injury litigation, you need to paint the full picture of how the accident affected your income and future earning potential.

Start with your regular pay, then add everything else like overtime, bonuses, PTO, and missed opportunities.

If your injury affected your ability to work long-term, make sure future earnings are included too. And don’t forget to factor in lost benefits like insurance or retirement contributions.

Back everything up with documents. Pay stubs, tax returns, employer letters, and medical records all help prove your case.

The stronger your evidence, the smoother things go.

Quick Links