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Free Ayadi Calculator | Vastu Shadvarga · Aya Vyaya Yoni Nakshatra
🔢 Vastu Shadvarga

Free Ayadi Calculator

Precision Vastu Shastra measurements — calculate all six Shadvarga values instantly from your plot dimensions and birth star.

✓ 100% Free ✓ All 27 Nakshatras ✓ Feet · Meters · Inches · CM ✓ Instant Results
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Enter Property Details
Owner's Janma Nakshatra — select birth star
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Calculation Results
Dimensions
Hasta Base
Aayadi Value
Owner Nakshatra
Plot Nakshatra
Compatibility
Aya ÷8
Income factor
Vyaya ÷9
Expenditure factor
Yoni ÷10
Direction factor
Nakshatra ÷27
Lunar compatibility
Vara ÷7
Planetary day
Tithi ÷30
Lunar phase
What is Ayadi Calculation?
Quick Reference — Ayadi Shadvarga Formulas
Aya — Perimeter ÷ 8 → income factor
Vyaya — Perimeter ÷ 9 → expenditure factor
Yoni — Perimeter ÷ 10 → directional orientation
Nakshatra — Perimeter ÷ 27 → lunar compatibility
Vara — Perimeter ÷ 7 → planetary day
Tithi — Perimeter ÷ 30 → lunar phase
Standard Hasta — 33 inches ≈ 83.8 cm
Source texts — Manasara, Mayamata, Vishwakarma Prakash

Definition: Ayadi Calculation is an ancient mathematical validation system from classical Vastu Shastra that evaluates whether architectural dimensions will foster spiritual, financial, and physical prosperity for the property owner by computing six energetic ratios from the building perimeter.

Ayadi Calculation (also known as Ayadi Shadvarga or Ayadi Ganita) is a comprehensive mathematical measurement framework documented in classical Sanskrit texts including the Manasara (8th–13th century CE), Mayamata, Vishwakarma Prakash, Aparajita Priccha, and Brihat Samhita. The system posits that spatial dimensions carry distinct energetic vibrations comparable to acoustic wave frequencies.

By computing structural variables against canonical cosmic divisors, the system evaluates the Shadvarga — six absolute units of architectural assessment — to forecast the ongoing prosperity of a built structure.

The Shadvarga — Six Measurement Factors

Factor What it measures Divisor Key rule
Aya Financial abundance & income potential Perimeter ÷ 8 Remainder 1, 3, 5, 7 = auspicious
Vyaya Expenditure & resource loss risk Perimeter ÷ 9 Aya must always exceed Vyaya
Yoni Spatial orientation & direction harmony Perimeter ÷ 10 Odd remainders generally auspicious
Nakshatra Lunar mansion compatibility with owner Perimeter ÷ 27 Must match owner's Janma Nakshatra
Vara Ruling planetary day vibration Perimeter ÷ 7 Match auspicious days for owner
Tithi Lunar phase alignment with structure Perimeter ÷ 30 Auspicious Tithis yield positive energy
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About this calculator: Developed by the team at Call Astro in consultation with practicing Vastu Acharyas. The calculation engine follows formulas as prescribed in the classical texts listed above. Results are for reference — always verify major construction decisions with a qualified Vastu consultant.

How to Use This Calculator

  1. Enter exterior dimensions — the external wall-to-wall length and breadth of the structure (not interior carpet area).
  2. Choose your unit — Feet, Inches, Meters, or Centimeters. The calculator converts everything to Hastas automatically.
  3. Set Hasta length — the default standard is 33 inches. Adjust only if your regional Vastu practice prescribes a different Desha Hasta.
  4. Select Janma Nakshatra — choose the birth star of the legal property owner or primary resident breadwinner.
  5. Click Calculate — all six Shadvarga values and Nakshatra compatibility are returned instantly.

Why Ayadi Matters in Vastu Shastra

Integrating Ayadi during architectural planning prevents energetic conflicts before construction begins. Key benefits of a correctly calculated Ayadi include:

  • Aya > Vyaya condition — ensures the income matrix factor mathematically outpaces the expenditure output, preventing fiscal leakage patterns.
  • Personalized resonance — aligning the building perimeter to the owner's Janma Nakshatra ensures the structure harmonizes with their natal horoscope.
  • Adjustable by inches — changing the exterior length or breadth by just 1–2 inches can completely shift all six remainder values from inauspicious to auspicious.
Ayadi Shadvarga Reference Tables

Aya Remainder Meanings (Perimeter ÷ 8)

The remainder when the building perimeter (in Hastas) is divided by 8 determines the Aya (income) classification.

RemainderAya NameSymbolResult
1DhwajaFlag✅ Highly auspicious — wealth & fame
2DhumaSmoke⚠️ Inauspicious — disease & loss
3SimhaLion✅ Auspicious — power & authority
4ShwanaDog⚠️ Inauspicious — quarrels
5VrishabhaBull✅ Auspicious — prosperity
6KharaDonkey⚠️ Inauspicious — poverty
7GajaElephant✅ Highly auspicious — abundance
0KakhaCrow⚠️ Inauspicious — bad omens

Nakshatra Remainder Table (Perimeter ÷ 27)

The remainder when the building perimeter (in Hastas) is divided by 27 gives the plot Nakshatra. If it matches the owner's Janma Nakshatra, the result is highly auspicious.

RemainderNakshatraRuling PlanetNature
1AshwiniKetuKshipra (swift)
2BharaniVenusUgra (fierce)
3KritikaSunMishra (mixed)
4RohiniMoonSthira (fixed)
5MrigashiraMarsMridu (soft)
6ArdraRahuTikshna (sharp)
7PunarvasuJupiterChara (movable)
8PushyaSaturnLaghu (light)
9AshleshaMercuryTikshna (sharp)
10MaghaKetuUgra (fierce)
11Purva PhalguniVenusUgra (fierce)
12Uttara PhalguniSunSthira (fixed)
13HastaMoonLaghu (light)
14ChitraMarsMridu (soft)
15SwatiRahuChara (movable)
16VishakhaJupiterMishra (mixed)
17AnuradhaSaturnMridu (soft)
18JyeshthaMercuryTikshna (sharp)
19MulaKetuTikshna (sharp)
20PurvashadhaVenusUgra (fierce)
21UttarashadhaSunSthira (fixed)
22ShravanaMoonChara (movable)
23DhanishthaMarsKshipra (swift)
24ShatabhishaRahuChara (movable)
25Purva BhadrapadJupiterUgra (fierce)
26Uttara BhadrapadSaturnSthira (fixed)
0RevatiMercuryMridu (soft)

Yoni Direction Table (Perimeter ÷ 10)

RemainderYoni NameDirectionResult
1DhwajaEast✅ Auspicious
2VrishabhaSouth✅ Auspicious
3SimhaWest✅ Auspicious
4ShwanaNorth⚠️ Mixed
5KharaNE⚠️ Inauspicious
6GajaNW✅ Auspicious
7DhumaSE⚠️ Inauspicious
8KakhaSW⚠️ Inauspicious
0NagaCentre⚠️ Mixed
Frequently Asked Questions
What is Ayadi Calculation in Vastu Shastra? +

Ayadi Calculation (also called Ayadi Shadvarga or Ayadi Ganita) is an ancient mathematical system in Vastu Shastra that checks whether a building's dimensions are cosmically harmonious for the owner. It computes six values — Aya, Vyaya, Yoni, Nakshatra, Vara, and Tithi — by dividing the plot perimeter (converted to Hastas) by specific divisors and analyzing the remainders.

Do I measure inside the rooms or outside the house? +

Always use external wall-to-wall dimensions. Ayadi Shadvarga must be calculated using the total outer perimeter of the building structure — not the interior carpet area, individual room sizes, or plot boundary.

What is a Hasta and why 33 inches? +

Hasta (also called Kishkha Hasta or Desha Hasta) is the classical unit of measurement in Vastu Shastra representing the length of a human forearm. In modern practice, the standard Desha Hasta is approximately 33 inches (roughly 83.8 cm). Some regional traditions use slightly different values — you can adjust this in the Hasta field above. The calculator automatically converts your dimensions to Hastas before computing all six Shadvarga values.

What happens if my Ayadi score is inauspicious? +

Don't worry — an inauspicious Ayadi result simply means the current dimensions create an energetic imbalance. The fix is straightforward: adjust the exterior length or breadth by just a few inches or centimeters. Even a 1–2 inch change can shift the Hasta count and produce completely different, auspicious remainder values across all six Shadvarga factors. Use this calculator to quickly test different dimension combinations until you find the optimal match.

Whose Nakshatra should I select? +

Select the Janma Nakshatra (birth star) of the person in whose name the property is legally registered. If the property is not registered, use the birth star of the primary breadwinner or head of the family who will primarily reside in the home.

What is the difference between Aya and Vyaya? +

Aya (income/gain) is the remainder when the perimeter in Hastas is divided by 8. Vyaya (expenditure/loss) is the remainder when divided by 9. The fundamental rule in Vastu Shastra is that Aya must always be greater than Vyaya — if the income factor exceeds the expenditure factor, the house dimensions are considered financially auspicious and supportive of wealth accumulation.

Is Ayadi calculation relevant for apartments and flats? +

Yes. For apartments and flats, use the external dimensions of the specific flat (wall-to-wall measurement of the unit itself, not the entire building). However, in practice, many Vastu consultants focus Ayadi analysis primarily on standalone homes, villas, and commercial plots where the owner has control over structural dimensions. For apartments where dimensions are fixed, the focus shifts to interior arrangement Vastu remedies.

Which classical texts document Ayadi Shadvarga? +

Ayadi Shadvarga is documented in multiple classical Sanskrit Vastu and architecture texts: Manasara (8th–13th century CE), Mayamata, Vishwakarma Prakash, Aparajita Priccha, and Brihat Samhita by Varahamihira (6th century CE). These texts prescribe the exact divisors (8, 9, 10, 27, 7, 30) and the interpretation of each remainder value that this calculator implements.

Can I use this calculator for commercial plots and offices? +

Yes. Ayadi Shadvarga applies to all types of built structures — residential homes, commercial offices, factories, shops, and warehouses. Use the external dimensions of the structure and the Nakshatra of the business owner or primary stakeholder. For commercial spaces, the Aya (income) factor is especially important to ensure it significantly exceeds the Vyaya (expenditure) value.

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