Common conversions
1Convert measurement units, storage units, temperature, speed, and time values.
Calculator and Converter Tools
Convert units, calculate dates and ages, percentages, and random values locally in your browser.
- Free to use
- No login required
- Local browser calculation
- No realtime API calls
Start calculating
Choose a calculator mode, enter values, and copy or download the result.
Ready
Convert common measurement units. Time months and years are approximate where noted.
Input
Choose a category and convert from one unit to another.
100 Centimeter (cm) -> Meter (m)
Result
Review the calculated value, formula, and notes.
Unit conversion
100 cm = 1 m
Result
1 m
Base value
1 m
From unit
cm
To unit
m
Formula
100 x 0.01 / 1How to use the calculator tools
- Pick the calculator mode that matches your task.
- Enter the required values and adjust units, precision, or options.
- Review the result, formula, and any important notes.
- Copy or download the result for your notes.
What you can calculate
Everyday calculators
2Handle dates, ages, percentages, discounts, random picks, and quick unit conversions.
Clear boundaries
3No realtime data, no holiday calendar, and no certified randomness.
FAQ
Does this calculator upload my values?
No. The calculations run in your browser and do not require a server request.
Are date weekdays holiday-aware?
No. Weekdays are counted as Monday to Friday only, without public holidays or adjusted workdays.
How are months and years handled in unit conversion?
Month and year units are approximate: one month is 30 days and one year is 365 days.
Does the random tool provide secure randomness?
No. It uses Math.random for everyday randomization, not cryptographic or certified draws.
Can I use the percentage tools for discounts?
Yes. The percentage tab includes discount price and original price calculations.