Professional Weight Converter

Carat to Ratti Calculator

Convert gemstone weights instantly with precision accuracy. Essential tool for gemstone buyers and sellers.

Weight Conversion Calculator

Enter any value below and watch all units convert automatically

1 Carat = 1.09375 Ratti

1 Ratti = 0.9143 Carat

1 Carat = 0.2 Gram

1 Carat = 200 Milligrams

Carat ↔ Ratti

1 Carat 1.09375 Ratti
1 Ratti 0.9143 Carat

Carat ↔ Gram

1 Carat 0.2 Gram
1 Gram 5 Carats

Carat ↔ Milligram

1 Carat 200 mg
1000 mg 5 Carats
Essential Knowledge

Why Accurate Weight Conversion Matters

Understanding gemstone weights is crucial for making informed purchasing decisions

About Carats

The carat is the international standard for measuring gemstone weight. One carat equals 200 milligrams. Larger gemstones are exponentially rarer and more valuable.

About Ratti

Ratti is a traditional Indian unit for measuring gemstones, especially in Vedic astrology. One ratti equals approximately 0.9143 carats and is widely used for recommending gemstone weights.

Astrological Significance

In Vedic astrology, astrologers recommend gemstone weights in ratti based on your birth chart. Converting to carats ensures you purchase the correct size for maximum astrological benefits.

Pricing Transparency

Understanding weight conversions helps you compare prices accurately across sellers. Gemstone prices are typically quoted per carat, making this knowledge essential for value assessment.

Quick Reference

Common Gemstone Weight Conversions

Real-world examples to help you make informed decisions

Small Gemstone

Delicate jewelry

3 Ratti 2.74 Carats
Weight 0.548 Grams
Use Case Rings, Pendants

Medium Gemstone

Standard size

5 Ratti 4.57 Carats
Weight 0.914 Grams
Use Case Most Popular

Large Gemstone

Premium quality

7 Ratti 6.40 Carats
Weight 1.28 Grams
Use Case Statement Pieces
Expert Tips

Essential Gemstone Buying Guide

Professional insights to help you choose the right gemstone weight

What to Consider When Choosing Weight

Make informed decisions based on these key factors

  • Astrological Recommendation

    Always consult an astrologer for the ideal weight based on your birth chart. Typically recommended in Ratti.

  • Body Weight Calculation

    General rule: 1/10th to 1/12th of your body weight in kg equals recommended gemstone weight in Ratti.

  • Visual Appearance

    Consider how the gemstone will look on your finger or neck. Larger stones make bolder statements.

  • Budget Considerations

    Gemstone prices increase exponentially with carat weight. Balance quality and size within your budget.

Common Mistakes to Avoid

Protect yourself from these frequent purchasing errors

  • Confusing Carat with Karat

    Carat measures gemstone weight, while karat measures gold purity. Don't mix them up!

  • Ignoring Density Differences

    Same carat weight looks different on different gemstones. A 5-carat sapphire is smaller than a 5-carat emerald.

  • Buying Without Certification

    Always ask for a certified lab report verifying the gemstone's weight and authenticity.

  • Focusing Only on Weight

    Quality matters more than size. A smaller, high-quality gemstone is more valuable than a larger, flawed one.

Historical Context

The Story Behind Gemstone Measurements

Origin of Carat

The word "carat" comes from the carob seed, which ancient traders used as counterweights on their balance scales. These seeds were remarkably uniform in weight, making them perfect for measuring precious gemstones. In 1907, the metric carat was internationally standardized at 200 milligrams.

Origin of Ratti

Ratti is a traditional Indian unit of measurement derived from the red and black seeds of the Gunja plant (Abrus precatorius). These seeds were historically used in India for weighing gold and gemstones. The measurement has been preserved in Vedic astrology, where gemstone recommendations are still given in Ratti.

Modern Usage

Today, while the international jewelry industry primarily uses carats, Ratti remains prevalent in India, especially for astrological gemstones. Understanding both measurements is essential for anyone interested in authentic gemstone astrology or purchasing gemstones from Indian sellers.

Frequently Asked Questions

Everything You Need to Know

Expert answers to common questions about gemstone weight conversion

How many Ratti are in 1 Carat?

1 Carat equals 1.09375 Ratti. This is a precise conversion ratio used universally in the gemstone industry. So if you have a 5-carat gemstone, it would be approximately 5.47 Ratti.

Which unit should I use when buying gemstones?

For astrological purposes, use Ratti as recommended by Vedic astrologers. For international purchases or comparing prices globally, use Carats as it's the standard unit worldwide. Our calculator helps you convert between both seamlessly.

How do I calculate the right gemstone weight for me?

The traditional method is to divide your body weight (in kg) by 10 to 12 to get the recommended Ratti. For example, if you weigh 60kg, a gemstone between 5-6 Ratti (4.5-5.5 carats) would be appropriate. However, always consult a qualified astrologer for personalized recommendations.

Is a heavier gemstone always better?

Not necessarily. While weight is important for astrological effects, quality factors like clarity, color, and cut are equally crucial. A smaller, high-quality gemstone with good energy is more effective than a larger, flawed stone. Balance size with quality and your budget.

Why do different gemstones of the same carat look different in size?

Gemstones have different densities. A 5-carat diamond will appear smaller than a 5-carat emerald because diamond is denser. Carat measures weight, not size. Sapphires and rubies (corundum) are denser than emeralds, so they appear smaller at the same carat weight.

Can I wear a gemstone lighter than recommended?

While lighter gemstones may have reduced astrological effects, it's better to wear a lighter, high-quality, natural gemstone than nothing at all. If budget is a concern, prioritize quality over weight. Consult your astrologer for minimum weight recommendations specific to your needs.