Grain to Dram Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert grains [gr.] to drams [dr.] or drams [dr.] to grains [gr.]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 grain [gr.] ≈ 0.0366 drams [dr.]1 dram [dr.] ≈ 27.3438 grains [gr.]

Convert grains to drams

There are two simple ways to convert grains [gr.] to drams [dr.]. In the first calculation method, the value in grains [gr.] is divided by the rounded conversion factor of 27.3438. The second method multiplies the value in grains [gr.] by the rounded conversion factor of 0.0366.

  • Drams [dr.] ≈ grains [gr.] ÷ 27.3438
  • Drams [dr.] ≈ grains [gr.] * 0.0366

However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of grains [gr.] to drams [dr.] can be achieved using the following calculation method.

  • Drams [dr.] = grains [gr.] * 0.06479891 ÷ 0.4123567 ÷ 4.296875

Convert drams to grains

Converting drams [dr.] to grains [gr.] is easy and can be done in two ways. The first method involves multiplication, in which the value in drams [dr.] is multiplied by the rounded conversion factor of 27.3438. The second variant is a division. Here, the value in drams [dr.] is divided by the rounded conversion factor of 0.0366.

  • Grains [gr.] ≈ drams [dr.] * 27.3438
  • Grains [gr.] ≈ drams [dr.] ÷ 0.0366

However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of drams [dr.] to grains [gr.] can be achieved using the following calculation method.

  • Grains [gr.] = drams [dr.] ÷ 0.06479891 * 0.4123567 * 4.296875

Converter

Decimal places

How it's calculated

Factor: 
≈ 27.344
Drams = Grains * 0.06479891 ÷ 0.4123567 ÷ 4.296875
Grains = Drams ÷ 0.06479891 * 0.4123567 * 4.296875

To all available units

Grains

Femtograms

Grains

Gigatons

Grains

Hectograms

Grains

Kilotons

Grains

Long hundredweights