BS to AD Converter
Convert Bikram Sambat (BS) Nepali dates to Gregorian English (AD) dates accurately using verified calendar lookup tables (2000–2090 BS).
Open BS to AD Converter →
Age Calculator
Calculate your exact age in years, months, and days from your Date of Birth, along with total months, total weeks, total days, and a countdown to your next birthday.
Enter Birth Date & Target Date
Chronological Age Breakdown
Exact Age (Years, Months, Days)
20 Years, 4 Months, 12 Days
Total Months
244 months, 12 days
Total Weeks
1,062 weeks, 6 days
Total Days Lived
7,440 days
Next Birthday
May 15, 2027 (Saturday)
Days Until Next Birthday
230 days remaining
How Chronological Age Is Calculated Accurately
Calendar age calculation subtracts birth year, birth month, and birth day from the target date. Whenever the target day of the month is smaller than the birth day, the calculator borrows the exact number of days from the preceding calendar month (28, 29, 30, or 31 days) rather than using a rough 30-day average.
Example: Date of Birth = 2006-05-15, As of Date = 2026-09-27:
Years = 2026 − 2006 = 20 Years
Months = 9 − 5 = 4 Months
Days = 27 − 15 = 12 Days → 20 Years, 4 Months, 12 Days
Frequently Asked Questions
Instead of assuming every year has 365 days, our calendar algorithm inspects actual Gregorian calendar month lengths (28, 29, 30, or 31 days) and leap year rules (years divisible by 4, except century years not divisible by 400).
First convert your BS birth date into an English (AD) date using our BS to AD Converter, then enter that AD date into the Date of Birth field on this page.
Yes. Change the "As of Date" field from today's date to the official application closing date to verify whether you meet minimum or maximum age eligibility criteria.
The calculator accurately reports 0 Years, 0 Months, 0 Days and notes that today is the birthday.
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Convert English Gregorian (AD) dates to Bikram Sambat (BS) Nepali dates with day-of-week, Nepali month name, and tithi/month length details.
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Calculate your Secondary Education Examination (SEE) GPA, subject grades, and grade points using the official NEB 2078/2081 grading system.
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Percentage Calculator
Calculate marks percentage, X% of Y, what percentage X is of Y, and percentage increase or decrease in one tool.
Open Percentage Calculator →