To calculate a pay increase as a percentage, subtract your old salary from your new salary, divide the result by your old salary, then multiply by 100. If you earned $60,000 and your new salary is $63,000, the math is ($63,000 – $60,000) ÷ $60,000 × 100 = 5%. The same formula works in reverse when you know the percentage and want to find your new pay.
The Percentage Raise Formula
Whether you’re evaluating a raise you just received or trying to figure out what a promised percentage means in dollars, there are two directions the math can go.
If you know the new salary and want the percentage: Subtract the old salary from the new salary, divide by the old salary, and multiply by 100. For example, going from $52,000 to $54,600 gives you ($54,600 – $52,000) ÷ $52,000 × 100 = 5%.
If you know the percentage and want the new salary: Convert the percentage to a decimal, multiply it by your current salary, then add the result. A 4% raise on $65,000 works out to $65,000 × 0.04 = $2,600, bringing your new salary to $67,600. A shortcut: multiply your salary by 1 plus the decimal (so $65,000 × 1.04 = $67,600). This one-step method is faster when you’re comparing several scenarios.
Calculating an Hourly Pay Increase
The same percentage formula applies to hourly wages. If your rate goes from $22 to $23 per hour, that’s ($23 – $22) ÷ $22 × 100 = 4.5%. To see what that means annually, multiply the hourly difference by the number of hours you work in a year. A standard full-time schedule is 40 hours per week for 52 weeks, which equals 2,080 hours. That extra $1 per hour translates to $2,080 more per year before taxes.
If you work fewer than 40 hours a week, adjust accordingly. Someone working 32 hours a week logs 1,664 hours per year, so the same $1 hourly bump would be worth about $1,664 annually. Overtime-eligible workers who regularly pick up extra hours will see a larger annual impact than the base calculation suggests, since overtime pay is typically 1.5 times the regular rate.
What a Typical Raise Looks Like
Knowing the average helps you gauge whether an offer is competitive. For 2026, employers plan to budget merit raises (performance-based increases for employees staying in the same role) at an average of 3.2%, according to a Mercer compensation survey. When you include all salary adjustments, such as promotions, cost-of-living bumps, and market corrections, the average total increase is 3.5%.
Promotions carry a significantly larger bump, averaging 8.7%. Industry matters too. Financial services, energy, and high-tech sectors are projected to deliver higher total increases around 3.7%, while healthcare services and retail trend slightly lower at 3.3% to 3.4%. If your raise falls below 3%, it may not keep pace with inflation, meaning your purchasing power could actually shrink.
How Much of the Raise You Actually Keep
Your paycheck won’t grow by the full dollar amount of your raise. Most payroll deductions, including federal income tax, Social Security tax, and Medicare tax, are calculated as a percentage of your gross pay, so they automatically scale up when your earnings increase.
The key concept here is the marginal tax rate. Federal income taxes use a bracket system: only the income within each bracket is taxed at that bracket’s rate. When a raise pushes some of your earnings into a higher bracket, only the portion above the threshold gets taxed at the higher rate, not your entire paycheck. So you might pay an effective tax rate of 20% across all your income but see the raise itself taxed at 22% or 24%, depending on where you land in the brackets. Your raise won’t ever cost you more than you gained, but the after-tax value will be smaller than the gross number.
Retirement contributions can also reduce the visible impact. If you contribute a set percentage of your pay to a 401(k), that contribution grows along with your salary. Someone contributing 10% who gets a raise from $80,000 to $90,000 will see their annual 401(k) contribution jump from $8,000 to $9,000. That extra $1,000 isn’t gone; it’s building your retirement savings on a pre-tax basis, which lowers your current taxable income. But it does mean less cash in your checking account each pay period.
Estimating Your Net Raise
To get a rough take-home figure, multiply the gross raise amount by (1 minus your marginal tax rate minus your retirement contribution percentage). If your raise is $5,000 and your marginal federal tax rate is 22%, you also pay about 7.65% in Social Security and Medicare taxes, and you contribute 6% to your 401(k), your combined deduction rate is roughly 35.65%. That leaves you with approximately $5,000 × 0.6435 = $3,218 more per year in take-home pay, or about $124 extra per biweekly paycheck. State income taxes, if applicable, would reduce this further.
Factoring in Total Compensation
A raise isn’t always just a salary bump. Sometimes an offer includes a better 401(k) match, a signing bonus, or improved benefits. To compare apples to apples, calculate your total compensation by adding your salary, any bonuses, and the dollar value of employer-provided benefits.
Employer 401(k) matching is one of the most valuable perks to quantify. More than half of companies require employees to save at least 6% of their pay to receive the full match. If your employer matches 3% of a $50,000 salary, that’s $1,500 per year in free money. Over 20 years with an 8% average annual return, that matching contribution alone could grow to over $73,000. When you’re evaluating a job change, a slightly lower salary with a generous match can be worth more than a higher salary with no match.
To find the total value of your benefits as a percentage of your salary, add up everything your employer contributes on your behalf: retirement match, health insurance premiums they cover, life insurance, tuition reimbursement, and any other perks with a dollar value. Divide that total by your salary and bonus combined. If the result is 30%, your compensation is effectively 30% higher than your paycheck alone suggests.
Putting the Numbers Together
Here is a practical example tying it all together. Say you earn $55,000 and receive a 4% merit raise. Your new gross salary is $55,000 × 1.04 = $57,200, an increase of $2,200 per year. After a 22% federal marginal rate, 7.65% payroll taxes, and a 5% 401(k) contribution, your net raise is roughly $2,200 × 0.6535 = $1,438 per year, or about $55 extra per biweekly check. Your 401(k) contribution also goes up by $110 annually ($2,200 × 0.05), which you’ll benefit from later.
If you’re negotiating rather than just calculating, knowing these numbers gives you leverage. You can walk into the conversation understanding exactly what a proposed percentage means in monthly dollars, how it compares to the national average, and whether the total package (including benefits) truly reflects the value you bring.