Result
4.928922 mL per teaspoon
FAQs
Which teaspoon standard should I choose
Use US customary for most North American recipes. Choose metric for scientific and modern UK sources. Select UK imperial historic for older British references where a teaspoon equals about 5.919 mL.
What exact formula does this tool use
The conversion uses mL = teaspoons × factor where the factor depends on the selected standard. Examples include 4.92892159375 for US and 5 for metric. Rounding is applied only after calculation.
Can I paste a list and convert everything at once
Yes. Paste values separated by line breaks or commas. We also accept simple fractions such as 1 1/2 or 3/4. Invalid rows are flagged in the results table.
How do decimal places and rounding affect results
Choose the number of decimal places for display. Rounding options include none round ceiling and floor. The rounding is applied to the computed milliliter value not your original input.
Is the UK imperial option still used today
The historic UK imperial teaspoon is uncommon in modern practice. Many UK sources now use a metric teaspoon of exactly 5 mL. Check your source if precision is critical.
Can I export or share my conversions
Use the Download CSV button to export batch results. The Copy results button places a clean text table on your clipboard for quick sharing or note taking.
Always verify which teaspoon standard your source uses. This tool supports educational culinary and laboratory use cases.