Monthly Income Calculator – Convert Any Pay Period to Monthly
The Monthly Income Calculator helps you quickly convert your earnings from any pay period — hourly, weekly, biweekly, or annual — into a clear monthly income figure. Whether you're budgeting, applying for a loan, or comparing job offers, knowing your monthly gross and net income is essential. Simply enter your pay amount and frequency to get instant results.
Enter your gross income for the selected pay period.
Select how often you receive this income.
Only used when pay period is set to Hourly.
Enter your effective tax rate to see your net monthly income.
Your results will appear here
How to Use This Calculator
1. Enter your income amount in the 'Income Amount' field — this is how much you earn per pay period. 2. Select your pay period from the dropdown (hourly, daily, weekly, biweekly, semimonthly, monthly, quarterly, or annually). 3. If you selected 'Hourly,' enter the number of hours you work per week in the 'Hours Worked Per Week' field. 4. Adjust the 'Estimated Tax Rate' slider to reflect your effective tax rate, or leave it at 0% to see gross figures only. 5. Your monthly gross income, monthly net income, annual income, weekly income, and daily income will all appear instantly below.
How Monthly Income Is Calculated
Converting income to a monthly figure depends on your pay frequency. Each pay period has a standard conversion multiplier based on a 52-week year, 12-month year, and approximately 260 working days per year.
Pay Period Conversion Formulas
- Hourly: Hourly Rate × Hours Per Week × 52 ÷ 12
- Daily: Daily Rate × 260 ÷ 12
- Weekly: Weekly Pay × 52 ÷ 12
- Biweekly: Biweekly Pay × 26 ÷ 12
- Semimonthly: Semimonthly Pay × 24 ÷ 12
- Monthly: Same as entered
- Quarterly: Quarterly Pay × 4 ÷ 12
- Annually: Annual Salary ÷ 12
Gross vs. Net Monthly Income
Your gross monthly income is your total earnings before any deductions such as taxes, insurance, or retirement contributions. Your net monthly income is what you actually take home after those deductions.
This calculator estimates net income using a flat effective tax rate you provide. For a more precise after-tax figure, consult a tax professional or use a detailed paycheck calculator.
Why Monthly Income Matters
Monthly income is the standard figure used in budgeting frameworks, rental applications, loan qualification, and financial planning. Most bills, rent, and mortgage payments are structured monthly, making this conversion especially practical.
Biweekly vs. Semimonthly Pay
These two pay schedules are often confused. Biweekly means you are paid every two weeks, resulting in 26 paychecks per year. Semimonthly means you are paid twice per month on fixed dates (e.g., the 1st and 15th), resulting in exactly 24 paychecks per year. This distinction slightly affects your monthly income calculation.