Sine Bar Calculator
A sine bar is a precision tool used in machining to measure angles accurately. This calculator helps you compute the angle or the height required using a sine bar.
Calculator
Enter any two values to calculate the third.
Calculation Results
Calculated Angle (theta)
Height Required (H)
Sine Value (sin(theta))
More Math Calculators
How to Use the Calculator
- Enter the length of the sine bar (L).
- Enter either the height (H) or the angle (theta).
- Click 'Calculate' to find the missing value.
- Use the results in machining or inspection tasks.
Note:
Always ensure your sine bar and slip gauges are clean and free from dust for accurate measurement.
Common Sine Values Table
| Angle (theta) | Sine Value |
|---|---|
| 0° | 0.0000 |
| 15° | 0.2588 |
| 30° | 0.5000 |
| 45° | 0.7071 |
| 60° | 0.8660 |
| 90° | 1.0000 |
Sine Curve (sin(theta))
A line chart showing the relationship between angle and its sine value.
FAQs About Sine Bars
- What is a sine bar used for?
- A: A sine bar is used in machining and metalworking to measure or set angles very accurately.
- How accurate is a sine bar?
- A: A sine bar can measure angles with accuracy up to seconds, depending on the length and gauge blocks used.
- Can I use this calculator for inverse sine problems?
- A: Yes, if you input length and height, the calculator will give you the angle using arcsin.
- What units does this calculator support?
- A: You can use millimeters or inches for both length and height.