Fidamen

Salary to Hourly Calculator

This calculator converts a salary or recurring pay amount into an estimated hourly rate. It supports common pay periods (annual, monthly, biweekly, semimonthly, weekly) and allows you to enter your typical hours, weeks worked, unpaid leave, and overtime to produce both a base hourly estimate and an effective hourly estimate that accounts for overtime pay.

Results are gross (pre-tax) estimates intended for budgeting, job comparison, and negotiation. This tool does not replace payroll systems, employer calculations, or legal guidance about wage and hour law.

Updated Nov 15, 2025QA PASS — golden 25 / edge 120Run golden-edge-2026-01-23

Governance

Record db0bec2c01d5 • Reviewed by Fidamen Standards Committee

Converts a salary (any common pay period) into an hourly rate using the user's hours per week and weeks per year. Unpaid leave reduces the annual available hours. Optional overtime input computes an effective blended hourly rate.

Inputs

Results

Updates as you type

Base hourly rate (gross)

$28.85

Effective hourly rate (with overtime)

$28.85

OutputValueUnit
Base hourly rate (gross)$28.85USD
Effective hourly rate (with overtime)$28.85USD
Primary result$28.85

Visualization

Methodology

The calculator first normalizes the entered pay to an annual amount by multiplying the input by the selected period multiplier (monthly ×12, biweekly ×26, etc.).

Available annual work hours are computed from hours per week and weeks per year, with unpaid leave converted from days to hours and subtracted. The base hourly rate equals normalized annual pay divided by available annual hours.

If overtime inputs are provided, an effective (blended) hourly rate is computed by treating overtime as paid at the provided multiplier and converting the extra pay into an equivalent number of compensated hours to derive a weighted hourly figure.

Estimation quality follows general best practices for numeric accuracy and traceability. For algorithmic and accuracy guidance we follow established standards for measurement and numerical reporting such as NIST guidance on measurement uncertainty and ISO recommendations for quality management and documentation, and we adopt IEEE-style clarity for numeric expressions. This calculator is not a certified payroll tool and should be validated against employer payroll records and local labor regulations (for example, U.S. Fair Labor Standards Act rules on overtime).

Worked examples

Example 1: $60,000 annual, 40 hours/week, 52 weeks, 0 unpaid days → base hourly ≈ $28.85 (using 2080 method yields $28.85).

Example 2: $48,000 annual, monthly input, 37.5 hours/week, 50 working weeks (2 unpaid weeks) → base hourly = normalized annual ÷ available hours, which accounts for unpaid leave.

Example 3: If overtime is regularly worked at time-and-a-half for 5 hours/week, the effective hourly rate will be higher than the base hourly rate because overtime pay increases total compensation while adding fewer equivalent hours.

F.A.Q.

Does this calculator include taxes or deductions?

No. All outputs are gross (pre-tax) estimates. Taxes, benefits, and payroll deductions are not included. Use actual payroll statements or a dedicated paycheck calculator to estimate net pay.

Which hours-per-year should I use?

Common conventions are 2080 hours/year for a full-time 40-hour schedule (52 weeks × 40 hours). Use your normal hours_per_week and weeks_per_year when you want a personalized estimate. Subtract unpaid leave days if they reduce compensated hours.

How does overtime affect the hourly estimate?

If you regularly work paid overtime, the calculator computes an effective blended hourly rate. It converts the extra overtime pay into equivalent extra compensated hours and redivides annual pay across the expanded equivalent hours to produce a weighted hourly rate.

Is this a legal or payroll calculation?

No. This tool provides estimates only. For payroll records, tax reporting, or compliance with wage-and-hour laws consult your employer, payroll provider, or legal counsel. For U.S. overtime and exempt status rules, consult official labor authorities.

How accurate are these results?

Results are mathematically precise given the inputs but are only as accurate as the assumptions you supply. We recommend verifying critical numbers with payroll data. Follow verification practices from standards bodies for measurement traceability and document assumptions when using results for decisions.

Sources & citations

Further resources

Versioning & Change Control

Audit record (versions, QA runs, reviewer sign-off, and evidence).

Record ID: db0bec2c01d5

What changed (latest)

v1.0.02025-11-15MINOR

Initial publication and governance baseline.

Why: Published with reviewed formulas, unit definitions, and UX controls.

Public QA status

PASS — golden 25 + edge 120

Last run: 2026-01-23 • Run: golden-edge-2026-01-23

Engine

v1.0.0

Data

Baseline (no external datasets)

Content

v1.0.0

UI

v1.0.0

Governance

Last updated: Nov 15, 2025

Reviewed by: Fidamen Standards Committee (Review board)

Credentials: Internal QA

Risk level: low

Reviewer profile (entity)

Fidamen Standards Committee

Review board

Internal QA

Entity ID: https://fidamen.com/reviewers/fidamen-standards-committee#person

Semantic versioning

  • MAJOR: Calculation outputs can change for the same inputs (formula, rounding policy, assumptions).
  • MINOR: New features or fields that do not change existing outputs for the same inputs.
  • PATCH: Bug fixes, copy edits, or accessibility changes that do not change intended outputs except for previously incorrect cases.

Review protocol

  • Verify formulas and unit definitions against primary standards or datasets.
  • Run golden-case regression suite and edge-case suite.
  • Record reviewer sign-off with credentials and scope.
  • Document assumptions, limitations, and jurisdiction applicability.

Assumptions & limitations

  • Uses exact unit definitions from the Fidamen conversion library.
  • Internal calculations use double precision; display rounding follows the unit's configured decimal places.
  • Not a substitute for calibrated instruments in regulated contexts.
  • Jurisdiction-specific rules may require official guidance.

Change log

v1.0.02025-11-15MINOR

Initial publication and governance baseline.

Why: Published with reviewed formulas, unit definitions, and UX controls.

Areas: engine, content, ui • Reviewer: Fidamen Standards Committee • Entry ID: 89e9c0db1476