How many picometers in a nanometer?

Pico is 10 to the power of negative 12. Micro is 10 to the power of negative 6. When you ask how many Pico is in micro, simply divide micrometer by picometer. Which is (10 to power -6) divide by (10 to power -12), so there are 106 or 1,000,000 (1 million) picometers in a micrometer.