Time Converter
General
0
Formula
01
What this converter does
This converter turns hours into minutes and back instantly. It also covers seconds, milliseconds, days, weeks and years — every pair uses an exact factor. Type a value, pick your units, and read the result as you type.
One hour is 60 minutes, or 3,600 seconds. Time units follow the SI second defined by NIST.
02
The units it covers
Every time unit converts through the second with a fixed ratio.
View all units & their values
| Unit | Symbol | Value | Mainly used |
|---|---|---|---|
| Second | s | 1 | SI base unit |
| Millisecond | ms | 0.001 | Timing, latency |
| Minute | min | 60 | Everyday |
| Hour | h | 3,600 | Everyday |
| Day | d | 86,400 | Everyday |
| Week | wk | 604,800 | Scheduling |
| Year | yr | 31,536,000 | 365 days |
03
The formula
Each unit has a fixed value in seconds, so converting goes through the second once:
Conversion
result = value × factor_from ÷ factor_toWhere:
- value = the number you typed
- factor_from = the “from” unit’s value in seconds
- factor_to = the “to” unit’s value in seconds
04
Worked example
Convert 2.5 hours to minutes.
Step 1 · The factor
1 h = 60 minStep 2 · Multiply
2.5 × 60 = 150 minSo 2.5 hours is 150 minutes.
05
The units in this example
Hoursymbol: h
A common unit of time equal to 60 minutes or 3,600 seconds.
Common time conversions
- 1 h = 60 min
- 1 h = 3,600 s
- 24 h = 1 day
- 1 h = 0.04167 day
Minutesymbol: min
A unit of time equal to 60 seconds; one-sixtieth of an hour.
Common time conversions
- 1 min = 60 s
- 60 min = 1 h
- 1 min = 0.01667 h
- 1,440 min = 1 day
06
FAQ
QHow many minutes in 2.5 hours?
Two and a half hours is 150 minutes (2.5 × 60).
QHow do I convert hours to minutes?
Multiply the number of hours by 60.
08