How to Calculate Payroll Manually: A Simple Beginner’s Guide

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How to Calculate Payroll Manually A Simple Beginner’s Guide

Manual payroll may seem daunting at first, but for small business owners, understanding the steps can save money and provide valuable control over employee compensation. Whether you have just a few employees or are still exploring payroll software options, knowing how to calculate payroll manually helps ensure you’re staying compliant and accurate with every paycheck.

In this guide, we’ll walk you through the complete manual payroll process, from collecting employee data to issuing checks and paying taxes. This isn’t just about math; it’s about understanding your tax obligations, managing payroll records, and building a reliable system that supports your growing team.

How to Calculate Payroll Manually

To calculate payroll manually, start by tracking each employee’s hours or salary. Then, determine their gross pay, subtract pre-tax and post-tax deductions, and calculate your employer tax contributions. Once all deductions and taxes are processed, you issue paychecks and file payroll tax returns with federal, state, and local agencies.

While this manual process is feasible for very small teams, it requires close attention to labor laws and tax regulations. That’s why many small businesses eventually transition to payroll software like FRIDAY to simplify compliance, reduce payroll errors, and save time.

What You Need Before You Start Payroll

Before running payroll manually, gather the necessary employee and business data to ensure accuracy and compliance.

First, you’ll need an Employer Identification Number (EIN) from the IRS. This is essential for federal tax reporting. You may also need state or local tax ID numbers depending on where your employees live and work.

Next, collect completed Form W-4 for each employee. This form determines how much federal income tax to withhold from their wages. You’ll also need any applicable state tax forms, details about health insurance premiums, and retirement contributions.

Don’t forget to set your company’s pay schedule, weekly, bi-weekly, or monthly. Pay frequency affects how you calculate payroll taxes and determines your filing deadlines.

If you’re doing all of this yourself, it helps to use a standardized system to track everything. For example, FRIDAY provides small business owners with state-by-state registration guidance and templates to help manage onboarding documentation.

Step-by-Step: How to Calculate Payroll Manually

Running payroll manually involves a series of consistent calculations and filings. Here’s a step-by-step look at the manual payroll process.

Step 1: Track Employee Hours

Accurate payroll starts with tracking employee hours. For hourly employees, you’ll need to record regular and overtime hours worked during the pay period. For salaried employees, confirm they worked the full period or adjust for absences.

Manual tracking tools like timesheets, punch cards, or spreadsheets can work, but they increase the risk of miscalculations. FRIDAY includes integrated time tracking so business owners can ensure every hour is accounted for.

Step 2: Calculate Gross Pay

Gross pay is the total amount an employee earns before any deductions. The method differs based on employee classification:

  • Hourly Employees: Multiply hours worked by their hourly rate. Include overtime pay, typically 1.5x the regular rate for hours worked beyond 40 per week.
  • Salaried Employees: Divide the employee’s annual salary by the number of pay periods in the year (e.g., 12 for monthly).

Be sure to add commissions, tips, bonuses, or other compensation where applicable.

Step 3: Subtract Pre-Tax Deductions

Before you calculate taxes, subtract pre-tax deductions from gross pay. These might include:

  • Health insurance premiums
  • Retirement contributions (e.g., 401(k))
  • Flexible Spending Account (FSA) contributions

These deductions reduce the employee’s taxable income, so they must be applied before tax withholdings.

Step 4: Calculate and Withhold Payroll Taxes

This step is critical for compliance. You’ll need to determine how much federal, state, and local tax to withhold based on the employee’s taxable income.

  • Federal Income Tax: Use the IRS withholding tables (Publication 15-T) and the employee’s W-4.
  • FICA: Withhold 6.2% for Social Security and 1.45% for Medicare. Employers must match these amounts.
  • State Income Tax Withholdings: Check your state’s Department of Revenue for applicable rates.
  • Local Income Taxes: In some jurisdictions, local payroll taxes must also be withheld.

Calculating these taxes manually requires attention to detail. Even a small mistake can lead to costly penalties.

Step 5: Subtract Post-Tax Deductions

These deductions come out after taxes have been calculated. Examples include:

  • Union dues
  • Wage garnishments
  • Charitable donations
  • Court-ordered child support

Ensure that post-tax deductions are documented, agreed upon by the employee, and compliant with wage laws.

Step 6: Calculate Employer Tax Contributions

In addition to withholding taxes from employees, employers are responsible for paying their share of taxes. These include:

  • Employer FICA (matches the employee share)
  • Federal Unemployment Tax (FUTA): Generally 6.0% on the first $7,000 of wages (credit available for SUTA)
  • State Unemployment Tax (SUTA): Varies by state and employer history

Failing to properly calculate and submit these payments can lead to fines or legal consequences. FRIDAY automates these employer-side calculations and filings.

Step 7: Issue Paychecks and Pay Stubs

After deductions and taxes, the remaining amount is the employee’s net pay. You can issue payment via direct deposit, physical checks, or payment cards.

Each employee should receive a pay stub showing:

  • Gross pay
  • Pre-tax deductions
  • Taxes withheld
  • Post-tax deductions
  • Net pay

Ensure this is delivered on or before payday, as required by state labor laws.

Step 8: File Payroll Tax Returns and Keep Records

The final step is submitting taxes and maintaining accurate payroll records.

  • File Form 941 (quarterly) and Form 940 (annually) for federal taxes
  • Submit state income tax and SUTA filings as scheduled
  • Make tax payments through EFTPS and your state portal
  • Maintain records for at least 3 years (IRS) and 4 years (SSA)

FRIDAY helps automate these filings and retains payroll records securely in the cloud.

Manual Payroll vs Payroll Software

FeatureManual PayrollFRIDAY Payroll Software
Time RequiredHigh (hours per pay period)Low (minutes per pay run)
Error RiskHigh (manual calculations)Low (automated, verified calculations)
Compliance ManagementYou handle tax filings manuallyFRIDAY files W-2s, 941s, and 1099s
Cost$0, but hidden time costsTransparent, small-business pricing

Manual payroll might save money upfront, but it often results in costly errors and lost time. FRIDAY is built specifically for small business owners who want an easier way to run payroll.

How FRIDAY Makes Manual Payroll Easier for Your Business

Learning how to calculate payroll manually gives you insight into your company’s pay process and tax obligations. While manageable for very small teams, the manual method is time-consuming and prone to error, especially as you scale.

FRIDAY is built to simplify every step of the payroll process. From time tracking and tax calculation to issuing paychecks and filing forms, FRIDAY helps small business owners run payroll with confidence and clarity.

Ready to save time and reduce errors? Try FRIDAY today—no contracts, no stress.

FAQs

What is the formula for calculating payroll?

The basic formula is: Gross Pay – Pre-Tax Deductions – Taxes – Post-Tax Deductions = Net Pay. Once net pay is calculated, you also need to determine employer tax contributions like FICA, FUTA, and SUTA.

How to compute payroll manually?

To compute payroll manually, start with employee hours or salary, determine gross pay, subtract pre-tax deductions, calculate and withhold payroll taxes, then subtract post-tax deductions. The result is net pay, which you issue through a paycheck. Finally, file your payroll taxes and keep records.

How do you do manual payroll?

Manual payroll involves tracking employee time, calculating gross and net pay, applying the correct deductions, filing tax forms, and issuing paychecks. You’ll also need to make employer-side tax payments and retain payroll records for legal compliance.

How to calculate payroll manually in Excel?

In Excel, create columns for hours worked, hourly rate, gross pay, deductions, and net pay. Use formulas to calculate each component:

  • Gross Pay: =Hours * Rate
  • FICA Tax: =Gross * 0.062 (Social Security), Gross * 0.0145 (Medicare)
  • Net Pay: =Gross – Total Deductions

Spreadsheets can help organize calculations, but still require you to manually enter tax rates and apply current laws.

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Pincus Schiff
Pincus Schiff is a payroll software specialist at Friday App, where he helps businesses simplify payroll, stay compliant, and automate their workflows. He writes about payroll best practices, compliance, and the latest in workforce technology.

at FRIDAY

07/16/2025
04/27/2026

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