Calculation & Convertor

Prisha Document Center – Pro Calculator & Global Converters

🧮 Scientific Calculator

Guideline: बटन या कीबोर्ड इस्तेमाल करें — 0–9, + − × ÷, %, ( ), . , ^ (power), Enter (=), Backspace (⌫), Esc (AC). Trig/Log के लिए sin, cos, tan, log।

Tip: Degrees के लिए sin(30*Math.PI/180)

🔄 Unit Converter

Guideline: Category चुनें → value डालें → From/To unit select करें → Convert. Units पूरे नाम के साथ—confusion नहीं होगा।

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💸 GST / Discount / Percentage

Guideline: Amount और GST% भरें—Add/Remove चुनें। Discount% अलग से लगा सकते हैं। “What %?” से हिस्से का प्रतिशत निकालें।

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🏦 EMI / Loan

Guideline: Loan Amount, Annual Rate (%), Tenure (months) डालें → EMI, Total Interest और Total Payable मिलेंगे।

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⚖️ BMI

Guideline: Weight (kg) और Height (cm) भरें → BMI व Category (Under/Normal/Over/Obese) दिखेगी।

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🎂 Age Calculator (Full Breakdown)

Guideline: DOB चुनें → Years, Months, Days के साथ Hours/Minutes/Seconds तक का breakdown मिलेगा।

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💱 Currency Converter (Live + Fallback)

Guideline: Free API (exchangerate.host) से live rate; network न हो तो fallback approx rates। Amount भरें → From/To currency चुनें।

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Note: Live rates थोड़े परिवर्तनशील होते हैं; बड़े भुगतान से पहले बैंक/फ़ॉरेक्स से confirm करें।

⏱️ Time Converter (Timezone ↔ Timezone)

Guideline: Source Date & Time चुनें + From Timezone चुनें → Convert करें → Target Timezone में exact time (DST सहित) दिखेगा।

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🌍 World Clock (All Countries + Live Watch)

Guideline: Country चुनो → तुरंत local time। नीचे Compare से दो देशों का current time एक साथ देखो—meeting planning आसान।

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In today’s fast-moving digital world, time and accuracy matter the most. Whether you are a student, a professional, a business owner, or simply managing your daily tasks, you often need quick and reliable calculations. From simple math problems to complex financial planning, accurate conversion tools save both effort and time.

Prisha Document Center proudly introduces its Professional Calculator & Global Converters – a one-stop digital platform designed to help you perform all types of calculations and conversions instantly. With tools ranging from Unit Converter, GST/Discount Calculator, EMI Calculator, BMI Calculator, Age Calculator, Currency Converter, Time Converter, and World Clock, we make your everyday tasks smarter, faster, and easier.

Why Choose Prisha Document Center’s Digital Tools?

✔️ 100% Accuracy – Verified formulas and calculations.
✔️ User-Friendly – Simple and clean design for quick use.
✔️ Wide Coverage – Covers academic, financial, health, and global needs.
✔️ Trusted Results – Suitable for students, professionals, and businesses.
✔️ Completely Free – No hidden charges or subscription fees.
✔️ Accessible Anywhere – Available online 24×7.

Our Professional Tools & Converters

1. Calculator (Basic & Scientific)

The foundation of all calculations. Our smart calculator allows you to perform:

Basic arithmetic (Addition, Subtraction, Multiplication, Division).
Advanced functions (Square root, Percentage, Log, Trigonometry).
Memory-based operations for continuous problem-solving.

Perfect for students, engineers, accountants, and daily users.

2. Unit Converter

Convert values between different measurement systems with just one click.

Length (cm, m, km, miles, inches, feet).
Weight/Mass (grams, kg, pounds, ounces).
Temperature (Celsius, Fahrenheit, Kelvin).
Area & Volume (sq. m, acres, liters, gallons).
Speed & Energy conversions.

No more confusion – get instant results for global standards.

3. GST / Discount / % Calculator

For business owners, shopkeepers, and customers, accurate billing is essential.

GST Calculator: Find GST amount (5%, 12%, 18%, 28%).
Discount Calculator: Quickly apply discounts while shopping.
Percentage Calculator: Solve percentage-related problems in seconds.

Example: If a product costs ₹1,000 and GST is 18%, our tool shows you the exact payable amount instantly.

4. EMI Calculator

Buying a house, car, or applying for a personal loan? Plan your finances smartly.

Enter loan amount, interest rate, and tenure.
Get monthly EMI (Equated Monthly Installment) instantly.
Understand your total payable amount with breakdown.

Trusted by students, families, and professionals before making financial decisions.

5. BMI Calculator (Body Mass Index)

Health is wealth. Our BMI Calculator helps you track fitness:

Enter your height and weight.
Instantly know whether you are underweight, normal, overweight, or obese.
Based on WHO-approved BMI scale.

Useful for fitness trainers, gym members, doctors, and health-conscious individuals.

6. Age Calculator

Forget manual counting. Our Age Calculator provides:

Exact years, months, and days of age.
Helpful for filling forms, school admissions, insurance, or retirement planning.
Accurate leap-year handling.

Simple tool for students, parents, HR managers, and government applications.

7. Currency Converter (200+ Countries)

Global transactions demand quick conversions.

Convert between 200+ international currencies instantly.
Stay updated with the latest exchange rates.
Perfect for travelers, businesses, freelancers, and students abroad.

Example: Convert USD ↔ INR, EUR ↔ GBP, or AUD ↔ CAD within seconds.

8. Time Converter

Need to convert hours into minutes, days into weeks, or seconds into hours?

Quick conversion for all time formats.
Ideal for students, exam preparations, shift planners, and project managers.

9. World Clock

Stay connected with the world. Our World Clock provides:

Current time in all major cities across the globe.
Helps in international meetings, travel planning, and online collaborations.
Accurate to the second with auto-refresh feature.

Example: Check New York, London, Dubai, and Tokyo time instantly alongside IST (India Standard Time).

Benefits of Using Prisha Document Center Tools

🔹 One Platform, Multiple Solutions – No need to use separate apps.
🔹 Accuracy You Can Trust – Verified & reliable formulas.
🔹 Saves Time – Instant results with a clean interface.
🔹 Global Standard – Useful for both Indian and international users.
🔹 Free for Everyone – No subscription, no hidden fees.

Who Can Use These Tools?

Students (for academic conversions and calculations).
Business Owners (for GST, discounts, EMI planning).
Professionals (for finance, global currency, world clock).
Health & Fitness Enthusiasts (for BMI tracking).
Travelers & Freelancers (for currency and time conversions).

Why Trust Prisha Document Center?

Prisha Document Center is not just a name, it’s a trusted partner for both digital solutions and government documentation services. Along with calculators and converters, we also provide:

Passport Apply
PAN Card Apply & Correction
Voter ID Apply & Correction
Aadhaar to PAN Linking
MSME Udyam Registration
Vehicle Insurance
EPFO/PF Withdrawal
Aadhaar Address Correction
PCC Apply

This makes us a complete one-stop solution for your digital and official needs.

Conclusion

In today’s competitive world, accuracy and speed are non-negotiable. The Prisha Document Center – Professional Calculator & Global Converters ensures that you never waste time on manual calculations or unreliable online tools.

From basic math to GST, EMI planning, BMI health checks, age verification, currency conversion, time conversions, and world clock, everything is now available in one place – trusted, accurate, and free.

👉 Experience the future of smart calculations with Prisha Document Center – Your Trusted Digital Partner.