Free Date Calculator — Business Days, Paychecks & Planning

Last updated: July 14, 2026

MoneyMath's date calculator counts calendar days, business days, federal holidays, paychecks, and 3-paycheck months for planning around real-world schedules.

Free to useRuns in your browserTransparent assumptions

Free date calculator with business days, paycheck counter, and 3-paycheck month finder. See federal holidays, count paychecks until any date, and plan around your pay schedule.

Use the Date Calculator to compare realistic scenarios before making a money, health, or planning decision.

Adjust the inputs and review the result breakdown so you can see which assumptions matter most.

How to use this calculator

Step 1Enter your starting information. Add the core inputs requested by the Date Calculator, such as amounts, dates, rates, income, weight, or other scenario details.
Step 2Review the calculated result. Read the headline answer first, then scan the supporting breakdown, chart, or comparison table.
Step 3Compare another scenario. Change one input at a time to understand what drives the result and which option is most realistic.

Formula, Sources & Assumptions

Formula

Business-day counts exclude weekends and U.S. federal holidays; paycheck counts follow the selected pay frequency.

Assumptions

Results are estimates for planning and education.
Actual costs, taxes, rates, or outcomes may differ based on personal circumstances and updated rules.

Age Calculator
Free age calculator with life milestones timeline. See 401(k) access ages, Social Security timing, Medicare eligibility, your Saturdays left, and birth year events — not just years and days.
Percentage Calculator
Free percentage calculator exposing cognitive biases. See the loss-recovery asymmetry trap, sale price reality check, compounding misconceptions, and percentage puzzles most adults get wrong.
Unit Converter
Free unit converter with real-world context and cooking mode. See '5 km ≈ a fun run', ingredient-specific cup-to-gram conversions (flour ≠ sugar), and travel quick-convert for international trips.
Tip Calculator
Free tip calculator with service-specific rates for restaurants, delivery, salons, rideshare, and more. Compare pre-tax vs post-tax tipping, split bills, and see per-person totals.