Kilogram to Nanogram Converter

Mass Converter

26 units available

Decimals:

From

To

1.000000e+12

1 kg = 1.000000e+12 ng

Formula:

ng = kg × 1.000000e+12

With your value: 1 kg = 1.000000e+12 ng

How big is that?

Everyday references on a logarithmic scale, all expressed in kilogram so you can sanity-check the result.

AA battery (1/42 your value)0.0240 kg

Can of soda (1/2.6 your value)0.390 kg

Bag of sugar (1.0× your value)1.00 kg

Your value1.00 kg

House cat (4.5× your value)4.50 kg

Adult human (70× your value)70.0 kg

Other Kilogram to Nanogram conversions

2 kg to ng 3 kg to ng 4 kg to ng 5 kg to ng 6 kg to ng 7 kg to ng 8 kg to ng

Kilogram to Nanogram Conversion Table

Kilogram (kg)	Nanogram (ng)
0.5	500,000,000,000
1	1.000000e+12
2	2.000000e+12
5	5.000000e+12
10	1.000000e+13
15	1.500000e+13
20	2.000000e+13
25	2.500000e+13
50	5.000000e+13
100	1.000000e+14
250	2.500000e+14
500	5.000000e+14
1000	1.000000e+15

Nanogram to Kilogram Conversion Table

Nanogram (ng)	Kilogram (kg)
0.5	5.000000e-13
1	1.000000e-12
2	2.000000e-12
5	5.000000e-12
10	1.000000e-11
15	1.500000e-11
20	2.000000e-11
25	2.500000e-11
50	5.000000e-11
100	1.000000e-10
250	2.500000e-10
500	5.000000e-10
1000	1.000000e-9

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Kilogram (kg)

Mass

SI definition

The kilogram is defined by taking the Planck constant to be exactly 6.626 070 15 × 10⁻³⁴ J·s.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Nanogram (ng)

Mass

Exact conversion

Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Kilogram to Nanogram

To convert from Kilogram (kg) to Nanogram (ng), multiply the value by 1.000000e+12.

Formula: ng = kg × 1.000000e+12

Reverse: kg = ng × 1.000000e-12

Step-by-Step Example

Start with your value in Kilogram. For example: 5 kg
Multiply by the conversion factor: 5 x 1.000000e+12
The result is: 5.000000e+12 ng

About Kilogram

The kilogram is the base unit of mass in the SI system. Since 2019, it is defined by the Planck constant rather than a physical artifact.

Fun Fact: Until 2019, the kilogram was defined by a platinum-iridium cylinder kept in Paris, called "Le Grand K."

Common uses: body weight, cooking, shipping.

About Nanogram

The nanogram (ng) is a unit of mass and weight. One nanogram equals 1.000000 × 10^-12 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: mass calculations, engineering and science, education.

Frequently Asked Questions

How many Nanogram are in 1 Kilogram?

There are exactly 1.000000e+12 Nanogram in 1 Kilogram. This means the conversion factor from Kilogram to Nanogram is 1.000000e+12.

What is the formula to convert Kilogram to Nanogram?

The formula to convert Kilogram to Nanogram is: ng = kg × 1.000000e+12. For example, to convert 10 Kilogram to Nanogram, you would multiply 10 by 1.000000e+12.

What is a Kilogram?