1 TF (Terafarad) is equal to 1,000,000,000,000,000,000,000,000,000,000,000,000 yF (Yoctofarad). To convert from Terafarad to Yoctofarad, multiply by 1,000,000,000,000,000,000,000,000,000,000,000,000 or divide by 0.000000000000000000000000000000000001.