1 ymol (yoctomole) is equal to 0.0000000000000000000000000000000000010000000000000001 Tmol (teramole). To convert from yoctomole to teramole, multiply by 0.000000000000000000000000000000000001 or divide by 1,000,000,000,000,000,000,000,000,000,000,000,000.