Metric teaspoon definition

Metric Teaspoons to Milligrams Calculator

Convert metric teaspoons to milligrams using 1 metric tsp = 5 mL and a density in grams per milliliter.

Conversion direction
Teaspoon system

Water uses an approximate density of 1.000 g/mL.

Calculated result1 US tsp
4,928.92 mg
Formula used

Metric Teaspoons to Milligrams: how it works

This mode uses the exact 5 mL metric teaspoon. Multiply the entered teaspoons by 5 mL, density, and 1000 to obtain milligrams.

Teaspoons measure volume and milligrams measure mass. Density in g/mL is the required bridge between them.

Metric Teaspoons to Milligrams formula

mg = metric tsp × 5 × density(g/mL) × 1000

Internal calculations retain full precision; displayed results are rounded for readability.

01

Before you calculate

01

One metric teaspoon is exactly 5 mL.

02

One metric tsp of water is 5,000 mg at 1.000 g/mL.

03

Metric and US teaspoons are not identical.

04

Check which spoon definition your source uses.

02

Related calculators