Time and a Third Calculator
Instantly calculate time and a third pay, premium hourly rates, overtime earnings, and total gross pay. This calculator supports both direct hourly pay and weekly salary conversion for fast, accurate compensation estimates.
Calculator Inputs
Enter your pay basis, rate, and hours to compute time and one-third pay.
Choose whether your base rate comes from hourly pay or weekly salary.
For hourly, enter hourly wage. For salary, enter weekly salary amount.
Hours paid at the regular rate.
Hours paid at 1.3333 times the regular rate.
Used when converting weekly salary to an hourly equivalent.
Choose how many decimals appear in the result values.
Results
Your pay breakdown updates after you click calculate.
Expert Guide to Time and a Third Calculation
Time and a third calculation refers to paying work hours at 1.3333 times an employee’s regular hourly rate. While most people are familiar with time and a half, many industries, union agreements, shift premiums, and special employer policies also use alternative pay multipliers such as time and a third. Understanding how to calculate it correctly helps employers budget labor accurately and helps workers verify that their paychecks reflect the right premium rate.
What does time and a third mean?
“Time and a third” means a worker earns their standard hourly wage plus an additional one-third of that wage for certain hours worked. Mathematically, the multiplier is 4/3, which is approximately 1.3333. If a person’s regular hourly rate is $30.00, the time and a third rate is $40.00 because $30.00 multiplied by 1.3333 equals $39.999, which rounds to $40.00.
This premium may apply in situations such as weekend assignments, unusual shift schedules, special roster arrangements, certain contractual overtime bands, event work, public-sector compensation structures, or employer-specific payroll policies. It is important to remember that time and a third is not the same as the standard federal overtime requirement under the Fair Labor Standards Act, which generally uses a multiplier of 1.5 times the regular rate for covered nonexempt workers after 40 hours in a workweek. In other words, time and a third is a separate premium concept that may arise from contract or policy rather than baseline federal overtime law.
The core formula
The basic formula is straightforward:
- Find the regular hourly rate.
- Multiply the regular rate by 1.3333.
- Multiply the resulting premium rate by the number of time and a third hours worked.
You can express the formula like this:
Time and a Third Pay = Regular Hourly Rate × 1.3333 × Premium Hours
If you also want total earnings for the period, add regular pay:
Total Gross Pay = (Regular Rate × Regular Hours) + (Regular Rate × 1.3333 × Premium Hours)
How to calculate time and a third from salary
Some employees know their weekly salary but not their true hourly equivalent. In that case, you first convert salary into an hourly rate. The most common approach is to divide the weekly salary by the number of standard weekly hours used by the employer, often 40 hours.
Hourly Equivalent = Weekly Salary ÷ Standard Weekly Hours
Suppose a weekly salary is $1,200 and standard weekly hours are 40. The hourly equivalent is $30.00. The time and a third rate becomes $40.00. If the employee then works 6 premium hours, the time and a third pay is $240.00.
This conversion step is especially useful for payroll planning, staffing analysis, and comparing compensation across departments. However, formal overtime compliance can be more complex for salaried employees, especially when legal exemptions, bonuses, differential pay, and regular-rate rules apply. For compliance questions, employers should review U.S. Department of Labor guidance and applicable state law.
Comparison table: common premium multipliers
| Premium Type | Multiplier | Rate on $20/hour | Rate on $30/hour | Rate on $40/hour |
|---|---|---|---|---|
| Regular Time | 1.0x | $20.00 | $30.00 | $40.00 |
| Time and a Third | 1.3333x | $26.67 | $40.00 | $53.33 |
| Time and a Half | 1.5x | $30.00 | $45.00 | $60.00 |
| Double Time | 2.0x | $40.00 | $60.00 | $80.00 |
This table shows why careful multiplier selection matters. A worker at $30.00 per hour earns $40.00 at time and a third, but $45.00 at time and a half. That $5.00 per hour difference becomes significant across multiple shifts, projects, or payroll periods.
When employers use time and a third
Time and a third can appear in a variety of compensation settings. It is less universal than time and a half, but it is still relevant. Common use cases include:
- Collective bargaining agreements that define premium rates for weekends or roster changes.
- Shift differentials for undesirable hours that are structured as pay multipliers rather than flat additions.
- Public-sector or quasi-public compensation schedules with multiple premium tiers.
- Temporary staffing or project work where premium hours are negotiated at a lower multiplier than time and a half.
- Employer payroll policies that reward specific work periods without triggering a full overtime premium.
Even where a policy uses time and a third, employers still need to distinguish between policy-based premiums and legally required overtime premiums. In some cases, the higher amount controls; in other cases, the employer may owe an additional adjustment to satisfy legal minimums. Payroll teams should therefore treat the multiplier question as both a math issue and a compliance issue.
Real labor benchmarks and statutory figures
Using authoritative benchmarks helps frame compensation calculations in the broader labor context. The figures below are widely cited U.S. labor standards and payroll reference points.
| Benchmark | Value | Why It Matters |
|---|---|---|
| Federal minimum wage | $7.25/hour | Established under federal law and useful as a floor for pay comparisons. |
| Standard full-time workweek | 40 hours | Common baseline used for weekly salary-to-hour conversions. |
| Standard FLSA overtime trigger | Over 40 hours/week | Important because legal overtime often differs from contract premium pay. |
| Typical annual full-time hours | 2,080 hours | Used for annual salary approximations and workforce budgeting. |
These are not merely abstract reference values. They affect budgeting models, wage comparisons, labor cost forecasting, and payroll administration. For example, dividing an annual salary by 2,080 hours is a common method for estimating an hourly rate for internal analysis. Similarly, the 40-hour workweek remains central when deciding whether a salary should be translated into an hourly equivalent for premium calculations.
Step-by-step examples
Example 1: Hourly employee
Regular rate: $18.00/hour
Premium hours: 10
Time and a third rate: $18.00 × 1.3333 = about $24.00
Premium pay: $24.00 × 10 = $240.00
Example 2: Salary conversion
Weekly salary: $960
Standard weekly hours: 40
Hourly equivalent: $960 ÷ 40 = $24.00
Premium hours: 6
Time and a third rate: $24.00 × 1.3333 = about $32.00
Premium pay: $32.00 × 6 = $192.00
Example 3: Total gross pay
Regular hourly rate: $22.50
Regular hours: 40
Premium hours: 4
Regular pay: $22.50 × 40 = $900.00
Time and a third rate: $22.50 × 1.3333 = $30.00
Premium pay: $30.00 × 4 = $120.00
Total gross pay: $900.00 + $120.00 = $1,020.00
Common mistakes to avoid
- Using the wrong multiplier: Time and a third is 1.3333x, not 1.3x and not 1.5x.
- Mixing premium hours with regular hours: Always separate hour categories before calculating pay.
- Forgetting salary conversion: If the worker is paid weekly, convert to hourly before applying the premium.
- Rounding too early: Keep enough decimals during intermediate steps, then round final output.
- Ignoring legal overtime requirements: A contract premium does not automatically replace legal overtime obligations.
These errors often appear in spreadsheets and manually prepared payroll summaries. A calculator reduces the risk, but payroll administrators should still verify the assumptions behind each number.
Why time and a third matters for budgeting
From an employer perspective, premium pay rates shape scheduling costs, staffing plans, project bids, and margin analysis. If a team frequently works premium hours, even a one-third uplift meaningfully changes labor expenses. For employees, the impact is equally important because premium scheduling can change weekly earnings, annual compensation, and the value of accepting less desirable shifts.
Consider a worker earning $28.00 per hour who consistently works 8 premium hours every week at time and a third. Their premium rate is about $37.33. The difference between regular time and premium time is about $9.33 per hour. Over 8 hours, that is an extra $74.64 in a week. Over 52 weeks, that premium adds up to roughly $3,881.28 before taxes. This illustrates why accurate premium calculations are not just administrative details. They materially affect compensation.
Authoritative resources
For deeper guidance on wages, overtime, and pay administration, review these authoritative sources:
- U.S. Department of Labor: Overtime Pay
- U.S. Department of Labor: Fair Labor Standards Act
- U.S. Office of Personnel Management: Pay and Leave
These sources are especially useful if you need to distinguish between internal payroll policy, negotiated premium pay, and statutory overtime requirements. State laws may also impose stricter rules than federal law, so multi-state employers should confirm any local thresholds and definitions.
Final takeaway
Time and a third calculation is simple once the right inputs are defined: determine the regular hourly rate, multiply by 1.3333, and then apply that premium rate to the applicable hours. The complexity usually lies not in the arithmetic but in classifying which hours qualify, converting salary accurately, and ensuring that premium pay practices align with employment law and employer policy.
If you need a fast estimate, use the calculator above. It gives you the premium hourly rate, regular pay, premium pay, total hours, and total gross pay in one place. For payroll compliance or contract interpretation, pair the calculation with guidance from the Department of Labor and your organization’s written pay rules.