Barometric Pressure Conversion6 options

This free pressure conversion tool converts atmospheric pressure units such as atm, technical atmosphere, bar, kPa, mmHg, and more in one interface. You can enter a value once and see many equivalent units at the same time. It is web-based and accessible without a mandatory subscription.

6 options🔄 General Conversion

Berg Balance Test Calculator6 options

OT Dude provides a free Berg Balance Scale calculator page specifically for OT/PT-style balance scoring workflows. It is focused on clinical usability for quickly totaling BBS performance and supporting fall-risk assessment. The calculator content is publicly accessible without requiring a paid subscription.

6 options🩺 Medical & Clinical

Bike Cadence Calculator6 options

BikeCalc provides a dedicated cadence calculator/table where you set chainring, sprocket, tire thickness, rim diameter, and speed to analyze cadence outcomes. The page includes step-by-step instructions and interactive parameter controls. It is available on the web with a free access option.

6 options⚾ Sports

Attenuation Calculator6 options

The attenuation calculator is labeled for measuring decibel changes in voltage and includes input/output voltage fields. It also shows the voltage-based attenuation formula using 20·log10(Vin/Vout). ([quickminitools.com](https://quickminitools.com/physics/attenuation-calculator))

6 options⚛️ Physics

Battery Charge Time Calculator6 options

This battery charging calculator estimates charge current, C-rate, charging time, and energy using battery capacity, voltage, chemistry, and SoC targets. It is oriented toward practical IEC/IEEE-style engineering estimates and includes taper/efficiency options. The tool is freely accessible without mandatory paid access.

6 options🏡 Home & Household

Bar To Atm Conversion6 options

Its pressure converter lets you select bar as the source unit and standard atmosphere (atm) as the target unit. The tool supports a very large list of pressure units for broader stress/pressure conversions. Usage is free and does not require a paid account.