Nanogram (ng)
Metrisk
- Tonn (t)1×10⁻¹⁵
- Kilonewton (kN)9,81×10⁻¹⁵
- Kilogram (kg)1×10⁻¹²
- Hektogram (hg)1×10⁻¹¹
- Dekagram (dag)1×10⁻¹⁰
- Gram (g)1×10⁻⁹
- Karat5×10⁻⁹
- Centigram1×10⁻⁷
- Milligram (mg)1×10⁻⁶
- Mikrogram (µg)1×10⁻³
- Nanogram (ng)1
- Atommasseenhet (u)6,02×10¹⁴
Avoirdupois
- Lang tonn9,84×10⁻¹⁶
- Kort tonn1,1×10⁻¹⁵
- Lang hundrevekt1,97×10⁻¹⁴
- Kort hundrevekt2,2×10⁻¹⁴
- Stein1,57×10⁻¹³
- Pund (lb)2,2×10⁻¹²
- Unse3,53×10⁻¹¹
- Dram (dr)5,64×10⁻¹⁰
- Korn (gr)1,54×10⁻⁸