| | | |
| |
| Time | |
|---|---|---|
| |
Characteristic |
| atomic-unit-of-time | | Notes |
|---|---|---|---|---|
| | |||
Metric (SI) Equivalent | 2.4188843266×10-17 seconds | |||
Standard Uncertainty |
± 4.7×10-29 seconds | |||
Metric (SI) Dimensions | time | |||
Characteristic | | blink | | Notes |
|---|---|---|---|---|
| | |||
Metric (SI) Equivalent | This equivalent is exact. | |||
Metric (SI) Dimensions |
time | |||
Characteristic | | day | |
Notes |
|---|---|---|---|---|
| | |||
Symbol | d | |||
Metric (SI) Equivalent | 86400 seconds | This equivalent is calculated from exact values. | ||
Metric (SI) Dimensions | time | |||
Description in Terms of Other Units and Constants | 24 hours | |||
Characteristic |
| hour | | Notes |
|---|---|---|---|---|
| | |||
Symbol |
h | |||
Other Name | hr | |||
Metric (SI) Equivalent | hour is a metric unit | |||
Another Metric (SI) Equivalent with More Basic Units |
3600 seconds | This equivalent is calculated from exact values. | ||
Metric (SI) Dimensions | time | |||
Description in Terms of Other Units and Constants | 60 minutes | |||
Characteristic | | minute | | Notes |
|---|---|---|---|---|
| | |||
Symbol | min | |||
Other Name | mn | |||
Metric (SI) Equivalent | minute is a metric unit | |||
Another Metric (SI) Equivalent with More Basic Units | This equivalent is calculated from exact values. | |||
Metric (SI) Dimensions | time | |||
Description in Terms of Other Units and Constants | 60 seconds | |||
Characteristic | | natural-unit-of-time | | Notes |
|---|---|---|---|---|
| | |||
Metric (SI) Equivalent | 1.2880886682×10-21 seconds | |||
Standard Uncertainty | ± 3.9×10-31 seconds | |||
Metric (SI) Dimensions | time | |||
Characteristic |
| Planck-time | | Notes |
|---|---|---|---|---|
| | |||
Symbol | tP | Use "t-P" for our conversion calculators. | ||
Metric (SI) Equivalent |
5.391247×10-44 seconds | |||
Standard Uncertainty | ± 6×10-49 seconds | |||
Metric (SI) Dimensions | time |
|||
Characteristic | | second | | Notes |
|---|---|---|---|---|
| | |||
Symbol | s | |||
Other Names | sec, seconde | |||
Metric (SI) Equivalent | second is a metric unit (in fact, it is a base SI unit) | |||
Metric (SI) Dimensions | time | |||
Characteristic |
| shake | | Notes |
|---|---|---|---|---|
| | |||
Metric (SI) Equivalent | This equivalent is exact. | |||
Metric (SI) Dimensions | time | |||
Characteristic |
| svedberg | | Notes |
|---|---|---|---|---|
| | |||
Metric (SI) Equivalent | This equivalent is exact. | |||
Metric (SI) Dimensions | time | |||
Characteristic |
| week | | Notes |
|---|---|---|---|---|
| | |||
Metric (SI) Equivalent | 6.048×105 seconds | This equivalent is calculated from exact values. | ||
Metric (SI) Dimensions | time | |||
Description in Terms of Other Units and Constants |
7 days | |||
Characteristic | | year |
| Notes |
|---|---|---|---|---|
| | |||
Symbol | y | |||
Other Names | yr, a | |||
Metric (SI) Equivalent | 3.15576×107 seconds | This equivalent is calculated from exact values. | ||
Metric (SI) Dimensions | time | |||
Description in Terms of Other Units and Constants | 365.25 days | |||