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 | Time | |
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Characteristic | | atomic-unit-of-time | | Notes |
|---|---|---|---|---|
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| | |||
Metric (SI) Equivalent | 2.4188843265×10-17 seconds | |||
Standard Uncertainty | ± 1.6×10-28 seconds | |||
Metric (SI) Dimensions | time | |||
Characteristic |
| blink | | Notes |
|---|---|---|---|---|
| | | |||
Metric (SI) Equivalent | 0.864 seconds | This equivalent is exact. | ||
Metric (SI) Dimensions | time | |||
Characteristic |
| day | | Notes |
|---|---|---|---|---|
| | | |||
Symbol | d | |||
Metric (SI) Equivalent | 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 | 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 | 60 seconds | 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 | 1.288088657×10-21 seconds | |||
Standard Uncertainty |
± 1.8×10-30 seconds | |||
Metric (SI) Dimensions | time | |||
Characteristic | | Planck-time | | Notes |
|---|---|---|---|---|
|
| | |||
Symbol | tP | Use "t-P" for our conversion calculators. | ||
Metric (SI) Equivalent | 5.39124×10-44 seconds | |||
Standard Uncertainty | ± 2.7×10-48 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 | 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 | This equivalent is calculated from exact values. | |||
Metric (SI) Dimensions | time | |||
Description in Terms of Other Units and Constants | 365.25 days | |||
