Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Astronomy
Solar Eclipse Duration Calculator
Estimate how long totality or partial coverage will last at your location during a solar eclipse. Enter the eclipse path width, Moon shadow speed, and your latitude to get duration in seconds.
Fill in the required fields to see your result.
Astronomy
Asteroid Impact Energy Calculator
Calculate the kinetic energy released when an asteroid strikes Earth, expressed in megatons of TNT. Use it to compare historical impacts or assess the potential effect of a hypothetical impactor.
Fill in the required fields to see your result.
Key differences
| Solar Eclipse Duration Calculator | Asteroid Impact Energy Calculator | |
|---|---|---|
| Category | Astronomy | Astronomy |
| Inputs required | 4 | 4 |
| Result | Eclipse Duration (seconds) | Impact Energy (megatons TNT) |
| What it does | Estimate how long totality or partial coverage will last at your location during a solar eclipse. Enter the eclipse path width, Moon shadow speed, and your latitude to get duration in seconds. | Calculate the kinetic energy released when an asteroid strikes Earth, expressed in megatons of TNT. Use it to compare historical impacts or assess the potential effect of a hypothetical impactor. |