Resistor calculator
Resistor calculator Summary
Resistor calculator is a ad-supported Android app in Tools by EONSOFT. Released in Oct 2018 (7 years ago). It has about 490.1K+ installs and 2.1K ratings with a 4.28★ (good) average. Based on AppGoblin estimates, it reaches roughly 20.5K monthly active users and generates around $<10K monthly revenue (0% IAP / 100% ads). Store metadata: updated Feb 9, 2026.
Recent activity: 360 installs this week (1.7K over 4 weeks) showing steady growth , and 8.00 new ratings this week View trends →
Store info: Last updated on Google Play on Feb 9, 2026 .
4.28★
Ratings: 2.1K
Screenshots
App Description
You can use it for 3, 4, 5 and 6 band resistors.
Resistance color code calculator
Resistor color code calculator helps determine the resistance value indicated by the colored band.
You can use it for 3, 4, 5 and 6 band resistors.
You can click the band in the color table to select a color for that band.
The resistor visually shows your band color selection and displays the corresponding resistance value.
It will help you configure your electronics.
When configuring the Arduino electronics, this resistor calculator can be used.
How to use the resistance color code calculator
- Please select the number of band colors first.
- Select the color of the band by clicking on the corresponding box in the color chart.
- The corresponding resistance value and the tolerance of the resistance are displayed.