Year and Month Duration Calculator

Quickly calculate durations between dates or add/subtract years and months with this easy-to-use online tool for all your date calculation needs.

Square SVG representing a Date Duration CalculatorA modern, flat-design icon illustrating a calendar with date and duration elements for calculating months and years.

Check It Yourself

About This Tool

This Year and Month Duration Calculator is an intuitive online tool designed for precise date and duration calculations. It allows users to determine the difference between two dates in years and months, accounting for leap years and irregularities. Additionally, users can add or subtract specific durations to/from existing dates, supporting various regional formats and user preferences.
Whether you're managing project timelines, financial forecasts, or HR schedules, this tool simplifies complex date computations into clear, actionable results. Its modern interface is responsive and accessible, ensuring smooth operation across desktop and mobile devices.
Key features include selecting start and end dates, inputting durations to add or subtract, viewing results in both raw data and user-friendly formats, and exporting options. Advanced users can toggle between date formats, review calculation history, and customize regional settings to suit their needs.
Designed with clarity and precision, this calculator enhances productivity and reduces errors in date-related tasks, making it essential for professionals across industries requiring accurate time duration management.

How to Use

1. Enter the start date (YYYY-MM-DD) or select from the date picker.
2. Enter the end date (YYYY-MM-DD) or select from the date picker.
3. Click 'Calculate' to see the duration in years and months.
4. To add or subtract durations, input values in the respective fields and click 'Apply.'
5. Review the results displayed below, with options to export or reset inputs.

FAQs/Additional Resources

Find Quick Answers

How does the calculator handle leap years?

Can I add multiple durations at once?

Is this suitable for regional date formats?

What if the API or service is down?

Can I export my calculation results?

User Reviews

See What Others Are Saying

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Explore Related Tools

More Solutions for Your Needs

Mathematical Combination IconA modern, flat style SVG icon representing combination calculations with overlapping circles and factorial symbols, colored in high-contrast blue and yellow tones.nCr

NCR Combination Calculator

Quickly compute combinations (nCr) with this free, user-friendly online calculator suitable for students and professionals.

SVG representing a financial calculator with a downward arrow indicating calculation A modern flat design SVG icon of a calculator with a downward arrow symbolizing net charge difference calculation, using bold lines and high contrast colors. NCD

Net Charge Difference Calculator

Quickly compute net charge difference with this free online calculator, designed for finance, accounting, and business professionals needing precise results.

SVG icon representing a loan NPV calculatorA modern, flat style SVG icon of a calculator with a dollar sign overlay, symbolizing financial calculations for loans.฿

Loan Calculator

Quickly assess NBD loan options and repayment details with our free online calculator, designed for financial professionals and borrowers.

Medical Exam Score Calculator IllustrationAn SVG image representing a medical exam score calculator with a clipboard, chart, and checkmark

NBME Score Calculator

Quickly estimate your NBME medical exam scores and percentiles with our free online calculator, ideal for students and medical professionals preparing for licensing exams.

Your Feedback Matters

Help Us to Improve