https://www.rfwireless-world.com/calculators/nfc-tag-capacitance-calculator-and-formula
NFC Tag Capacitance Calculator from Resonant Frequency | RF Wireless World
Calculate NFC tag capacitance using resonant frequency and inductance formula. Ideal for antenna tuning, NFC tag design, and circuit analysis.
nfc tagcapacitance calculatorresonant frequencyrf wirelessworld