# 6 Best Free Online PPM to Hz Calculator Websites

Here is a list of the **best free online PPM to Hz Calculator websites**. PPM is short for Parts Per Million where Hz is Hertz. Both terms are used to measure the frequency. PPM is often used to specify the frequency in a crystal oscillator. PPB (Parts Per Billion) is also used for high-quality crystal ovens. But Hertz is a common term and thus easy to understand in terms of frequency. You can use the following formula for PPM to Hz conversion:

Frequency difference (Hz) = PPM x Reference frequency / 1,000,000

Alternatively, you can use an online tool to do the same more quickly and accurately. This post covers 6 free websites where you can convert stability frequency from PPM to Hz. All these websites offer simple conversion calculators where you have to provide the PPM and reference Frequency. From that, the calculators give you the converted frequency in Hz.

### My Favorite Online PPM to Hz Calculator

As all these calculators are based on the same formula, there are not any measure differences among them. I prefer *SiTime.com* as it has a nice and clean layout and calculates freeway various along with Max-Min Period. And, it also offers another calculator to convert Hz to PPM.

You can check out our other lists of the best free online RLC Resonant Frequency Calculator websites, online Resistivity Calculator websites, and online Log Graphing Calculator services.

### Comparison Table:

Name | PPM to Hz | Frequency Range | Variation |
---|---|---|---|

SiTime.com | ✓ | ✓ | ✓ |

5G-Tools.com | ✓ | ✓ | ✓ |

EverythingRF.com | ✓ | ✓ | x |

RFWireless-World.com | ✓ | x | x |

HyperElectronic.net | ✓ | ✓ | ✓ |

Changpuak.ch | ✓ | ✓ | ✓ |

## SiTime.com

**SiTime.com** has a free online conversion calculator to calculate PPM to Hz. The web page starts with a brief explanation of the term followed by the formula. Below that you get the actual calculator. The calculator has two input fields for *Frequency* and *PPM*. You can add the values and run the calculation. The results get you Variation, Min Frequency, Max Frequency, and Max-Min Period. This way, you can use this calculator to convert PPM frequency to Hz.

### Highlights:

- This calculator finds Min Frequency, Max Frequency, Max-Min Period, and Variation.
- It briefly explains the term with the help of the formula used.
- It also offers another calculator to convert Hz to PPM.

## 5G-Tools.com

**5G-Tools.com** offers a PPM to Hz Converter that you can use to convert the PPM to Hz and vice versa. The conversion calculator has a neat interface with an option to select the conversion type at the top. You can pick the “PPM to Hz” mode from there. After that, you can add your input data. This includes the *Central Frequency (in MHz)* and *PPM*. With that, you can run the calculation. This gets you the Delta Frequency, Minimum Frequency, and Maximum Frequency in the results.

### Highlights:

- This calculator can convert PPM to Hz and vice versa.
- It also calculates frequency range and variation.

## EverythingRF.com

**EverythingRF.com** is a website with a collection of tools, calculators, and products related to Radio Frequency. It has a free online PPM to Hz Calculator. You can use this calculator to convert the Frequency Stability of a Crystal Oscillator from PPM to Frequency in Hz. To do that, you get a simple interface that asks for the *Oscillation Frequency of a Crystal Oscillator* and *Frequency Stability*. You have to select the right unit and then add your input data. Based on that, the calculator gets you the Frequency Variation, Min Frequency, and Max Frequency.

### Highlights:

- This calculator calculates Frequency Variation, Min Frequency, and Max Frequency from PPM.
- It also shows the formula for this calculation.

## RFWireless-World.com

**RFWireless-World.com** is a free website where you can calculate PPM to Hz online. It has a simple calculator for this conversion. The calculator does the conversion of the PPM value to Frequency in Hz. To perform the calculation you have to provide two inputs. The first input is *RF Carrier Frequency in GHz* and the second input is *Frequency in PPM*. After that, when you run the calculator, it shows the *Frequency in Hz*. It does not calculate minimum or maximum frequencies or any variation. But it does cover the formula used.

### Highlights:

This calculator only gives the frequency (Hz) in the output.

## HyperElectronic.net

**HyperElectronic.net** is another website where you can calculate PPM to Hz online. It offers a simple calculator that calculates frequency range and variation. It lists five sections together with a calculate button at the bottom. You have to add the first two values which include Frequency and PPM. Then you can click the calculate button to get the values of Frequency Variation, Min Frequency, and Max Frequency. Apart from that, the web page also includes the formula of the calculation and provides a brief explanation.

### Highlights:

- This calculator calculates Frequency Variation, Min Frequency, and Max Frequency.
- It also covers the formula with a brief explanation.

## Changpuak.ch

**Changpuak.ch** is a free website with a PPM to Hz Converter. It is a simple conversion calculator that can help you convert the frequency stability of a crystal oscillator from Parts Per Million (PPM) to Hertz (Hz). To perform the conversion, you have to add the *Center Frequency* and *Tolerance*. You can add the Center Frequency value in GHz, MHz, or kHz. Similarly, you can add the Tolerance in PPM or PPB. Then you can click the *Convert* button to perform the conversion. This gets you Frequency Variation, Minimum Frequency, and Maximum Frequency.

### Highlights:

- This tool converts PPM/PPB to Hz.
- It also calculates frequency range and variation.

## Frequently Asked Questions

In frequency, PPM (parts per million) is a unit used to express the difference between two frequencies. It represents the ratio of the difference between the two frequencies to the frequency of the reference signal, multiplied by one million.

PPM (parts per million) is a unit used to express small quantities of a substance in a larger amount. To convert PPM to Hz (Hertz), you need to know the frequency of the reference signal and multiply it by the PPM value divided by one million.

To convert Hz (Hertz) to PPM (parts per million), you need to know the frequency of the reference signal and the frequency of the signal being measured. Then, subtract the frequency of the measured signal from the frequency of the reference signal, divide by the frequency of the reference signal, and multiply by one million.

The number of Hz represented by 1 PPM (parts per million) depends on the frequency of the reference signal. For example, if the reference frequency is 1 GHz (1,000,000,000 Hz), then 1 PPM would be equivalent to 1,000 Hz. However, if the reference frequency is 100 MHz (100,000,000 Hz), then 1 PPM would be equivalent to 100 Hz.

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