Frequently Asked Questions
Answers to common questions about our free online unit converters.
What is toconvert.top?
toconvert.top is a free online unit conversion website offering quick calculations across everyday measurement categories.
Is the converter free?
Yes. You can use all available converters without paying or creating an account.
Do I need to register?
No. The conversion tools work without an account.
How do I convert a value?
Select a conversion category, enter a number, and choose the starting and destination units. The result updates automatically.
Can I swap the units?
Yes. Use the swap button between the unit selectors.
Which conversion categories are available?
Length, weight, temperature, area, volume, speed, data storage, time, energy, pressure, fuel consumption, and shoe size.
Can I use the site on a phone?
Yes. The interface is designed to work on phones, tablets, and desktop browsers.
Are the results accurate?
The calculators use standard mathematical conversion factors. Displayed results may be rounded for readability.
Why do some values have decimals?
Many measurement units do not convert to whole numbers. Decimal values preserve useful precision.
What is the difference between MB and MiB?
MB uses decimal units (1,000,000 bytes), while MiB uses binary units (1,048,576 bytes).
Are US and UK gallons the same?
No. The volume converter labels US customary units explicitly; UK imperial gallons are not currently included.
Are shoe size conversions exact?
No. Shoe size conversions are approximate and vary by brand and fit. Always check the manufacturer size chart.
How does fuel economy conversion work?
Fuel consumption in liters per 100 kilometers is inversely related to miles per gallon or kilometers per liter. Positive values are required.
Can I link to a specific converter?
Yes. Each conversion category has its own page, and selected units can appear in the URL.
Can I use results for professional work?
Check critical results against authoritative standards, particularly for engineering, healthcare, safety, or financial decisions.
How can I report an error or request a unit?
Email [email protected] with the converter name, the values involved, and your suggestion.