# What is 25 mcg of vitamin D in IU?

## What is 25 mcg of vitamin D in IU?

(As a general rule of thumb, a dose of 1,000 IU (25 mcg) will raise blood 25(OH)D levels by around 10 nmol/L.)

## How many mcg are in a IU?

Unit Conversions

Nutrient Current DV Unit* Current Conversion*
Vitamin A IU 1 IU = 0.3 mcg retinol 1 IU = 0.6 mcg beta-carotene
Vitamin E IU 1 IU = 0.67 mg for d-alpha-tocopherol (natural) 1 IU = 0.9 mg for dl-alpha-tocopherol (synthetic)
Vitamin D IU 1 IU = 0.025 mcg
Folate mcg

How many mcg of vitamin D are in a IU?

RDAs for vitamin D are listed in both micrograms (mcg) and international units (IU); 1 mcg vitamin D is equal to 40 IU (Table 2).

Can I take 40000 IU of vitamin D?

The safe upper limit of intake is set at 4000 IU/day. Intake in the range of 40,000–100,000 IU/day (10-25 times the recommended upper limit) has been linked with toxicity in humans.

### Which is greater mg or MCG?

Definition of a Mg. A milligram (mg) is a metric system unit that represents a thousandth of a gram. Because of its larger size, a mg is a more commonly used measurement than a mcg. One thousandth of a mg is one mcg, and 1,000 mcg equal one mg.

### How do you calculate MG from MCG?

Conversion Formula. Let’s take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper. The formula to convert from mcg to mg is: mg = mcg ÷ 1,000.

How do you calculate vitamin D?

Use this simple rule to calculate your basic vitamin D dosage, based on your body mass. The answer will be in International Units of vitamin D, or IU. Basic daily vitamin D dosage = Body mass in pounds * 27. (Or Body Mass in Kilograms * 60 if you prefer metric.)

What is the unit of measure for MCG?

The term “mg” stands for the measurement of “milligrams,” while “mcg” stands for “micrograms. ” Both units are used to measure an object’s mass and to indicate an object’s weight. With reference to other units of measurement, a mcg is equal to .001 mg .

Definition of a Mg. A milligram (mg) is a metric system unit that represents a thousandth of a gram. Because of its larger size, a mg is a more commonly used measurement than a mcg. One thousandth of a mg is one mcg, and 1,000 mcg equal one mg.

Conversion Formula. Let’s take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper. The formula to convert from mcg to mg is: mg = mcg ÷ 1,000.

Use this simple rule to calculate your basic vitamin D dosage, based on your body mass. The answer will be in International Units of vitamin D, or IU. Basic daily vitamin D dosage = Body mass in pounds * 27. (Or Body Mass in Kilograms * 60 if you prefer metric.)

The term “mg” stands for the measurement of “milligrams,” while “mcg” stands for “micrograms. ” Both units are used to measure an object’s mass and to indicate an object’s weight. With reference to other units of measurement, a mcg is equal to .001 mg .