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What Is the Present Value Formula?

What Is the Present Value Formula?

present value vs future value
Erica Birstler
Written by: Erica Birstler
Updated: 18 February, 2026
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Future Value vs Present Value Explained for Attorneys

What Is the Difference Between Future Value vs Present Value?

Understanding future value vs present value is critical when evaluating settlements, structured payments, annuities, trust distributions, and long-term financial awards.

Present value (PV) calculates what a future amount of money is worth today, after adjusting for interest and inflation.
Future value (FV) calculates how much a current amount of money will grow over time at a given interest rate.

In simple terms:

  • Present value tells you what tomorrow’s money is worth today.
  • Future value tells you what today’s money will be worth tomorrow.

These financial concepts are especially important in legal practice areas such as:

  • Estate planning
  • Divorce and asset division
  • Personal injury and wrongful death
  • Business valuation
  • Structured settlements

When attorneys understand how to apply the present value formula and compare future value vs present value, they can better evaluate financial outcomes and advocate for their clients.

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Imagine your client receives two settlement options:

  • $100,000 lump sum paid today
  • $150,000 structured settlement paid over 10 years

At first glance, $150,000 appears to be the better offer. But once you calculate the present value, the numbers may tell a different story.

This is why knowing what the present value formula is and how to use it is so important. Without it, financial comparisons can be misleading.

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What Is the Present Value Formula?

The present value formula is:

PV = FV / (1 + r)^n

Where:

  • PV = Present Value
  • FV = Future Value
  • r = Interest rate (as a decimal)
  • n = Number of time periods

How the Present Value Formula Works

  1. Add 1 to the interest rate.
  2. Raise the result to the power of the number of periods.
  3. Divide the future amount by that number.

This calculation discounts future money back to today’s dollars.

Why Interest Rate Assumptions Matter

The assumed interest rate directly impacts the result:

  • Higher interest rates lead to lower present values.
  • Lower interest rates increase present value.

In divorce cases, estate distributions, or business valuations, even small changes in projected interest rates can significantly affect asset division.

Example: Present Value Calculation

Your client is offered:

  • $100 today
  • $150 in 10 years
  • 5% annual interest rate

Using the present value formula:

PV = 150 / (1.05)^10
PV = 150 / 1.6289
PV ≈ $92.09

That means $150 received in 10 years is worth only $92.09 today.

Scaled up:

  • $150,000 paid in 10 years
  • Present value ≈ $92,080

In this scenario, the $100,000 lump sum today is financially stronger than the $150,000 structured payout.

This example clearly illustrates the difference between future value vs present value in real-world legal decision making.

The Profitable Benefits of Legal Project Management

Ever had a client who demands a detailed estimate up front? With project planning, you can provide a detailed and comprehensive plan that helps the client while also benefiting the firm.

Download this guide to learn the Profitable Benefits of Legal Project Management.

Get Your Free Guide

How to Calculate Future Value

While the present value formula discounts money back to today, the future value formula projects money forward.

Future Value Formula

FV = PV × (1 + r)^n

Where:

  • FV = Future Value
  • PV = Present Value
  • r = Interest rate
  • n = Number of periods

How It Works

  1. Add 1 to the interest rate.
  2. Raise it to the power of the number of periods.
  3. Multiply by the present value.

Example: Future Value Calculation

If you deposit $10,000 into a trust account earning 5% annually for 10 years:

FV = 10,000 × (1.05)^10
FV ≈ 10,000 × 1.6289
FV ≈ $16,289

This demonstrates how a present amount grows over time.

Future Value vs Present Value: Key Differences

Present ValueFuture Value
Discounts money back to todayProjects money forward
Used to evaluate settlements and awardsUsed to project growth
Divides by (1 + r)^nMultiplies by (1 + r)^n
Lower when interest rates riseHigher when interest rates rise

Understanding future value vs present value allows attorneys to:

  • Compare lump sum vs structured settlements
  • Evaluate pensions and retirement accounts
  • Analyze long-term damages awards
  • Assess annuities and trust distributions
  • Determine equitable asset division

Why This Matters for Law Firms

If payment for legal services is delayed for years, its value declines. Meanwhile, your firm continues covering hard costs and soft costs. The same financial logic applies to settlement evaluations.

Knowing what the present value formula is and how it compares to future value strengthens financial analysis and client advocacy.

Final Thoughts

Understanding the difference between future value vs present value helps attorneys make informed financial evaluations across practice areas. By applying the present value formula correctly, you can assess structured payments, project asset growth, and guide clients through high-stakes financial decisions with clarity.

Stay up to date with practical legal finance insights and tools that help your firm operate efficiently and protect revenue.

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Written by
Erica Birstler
Erica Birstler is Senior Director of Product Research & Communications at ProfitSolv, the parent company of TimeSolv. Erica has over a decade of experience in the legal software industry, catering to the specialized technology needs of small to mid-sized law firms. She has given numerous presentations across North America on legal technologies such as law practice technology management, cloud computing, and legal billing & trust accounting compliance.
Erica Birstler

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