Grain Converter

Created by: tinycalcs.com/en
Number of supported units: 26
Last update: 2026

The Grain Converter supports 26 different weight units. This makes it possible to convert freely between grains [gr.], American, metric, and British weight units. All weight units are converted in real time and displayed with up to 20 decimal places, ensuring sufficient accuracy.


Conversion of grains

In order to convert grains [gr.] into another weight unit, a conversion value is required. This value can be determined using a conversion table. However, the table is relatively large and confusing, making it difficult for inexperienced users to understand. The following tool provides a solution to this problem by allowing the rounded conversion values for grains [gr.] to be queried directly from the conversion table.

Determine conversion factor

≈ 15,432.3584
Calculation example:
Kilograms = Grains * 0.06479891 ÷ 103
Grains = Kilograms ÷ 0.06479891 * 103

Conversion between grains and milligrams

You can easily convert between milligrams [mg] and grains [gr.] using the formulas provided below. For accurate results, it is important to follow the correct order of mathematical operations.

  • Grains [gr.] = milligrams [mg] ÷ 64.79891
  • Milligrams [mg] = grains [gr.] * 64.79891

Conversion between grains and centigrams

The fastest and easiest way to convert between centigrams [cg] and grains [gr.] is to use the converter above. Manual conversions are also possible and can be done using the formulas provided below.

  • Grains [gr.] = centigrams [cg] ÷ 6.479891
  • Centigrams [cg] = grains [gr.] * 6.479891

Conversion between grains and decigrams

The two formulas below provide an easy way to convert between decigrams [dg] and grains [gr.]. To ensure precise conversion results, it is important to follow the correct order of math operations.

  • Grains [gr.] = decigrams [dg] ÷ 0.6479891
  • Decigrams [dg] = grains [gr.] * 0.6479891

Conversion between grains and grams

You can easily convert between grams [g] and grains [gr.] using the formulas provided below. For accurate results, it is important to follow the correct order of mathematical operations.

  • Grains [gr.] = grams [g] ÷ 0.06479891
  • Grams [g] = grains [gr.] * 0.06479891

Conversion between grains and kilograms

The fastest and easiest way to convert between kilograms [kg] and grains [gr.] is to use the converter above. Manual conversions are also possible and can be done using the formulas provided below.

  • Grains [gr.] = kilograms [kg] ÷ 0.06479891 * 103
  • Kilograms [kg] = grains [gr.] * 0.06479891 ÷ 103

Grain

Decimal places

Metric units

American / British

Other units converter

Grams

Hectograms

Kilograms

Kilotons

Long hundredweights