Mass and Weight · Unit Converter

Convert Tola to Nanogram

Convert tolas to nanograms instantly. 1 tola = 1.16638e+10 nanogram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Nanogram to Tola converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Indian / South Asian

Tola

What is a tola?

The tola equals 180 troy grains, about 11.6638 grams (three-eighths of a troy ounce).

Origin of the tola

From Sanskrit 'tula', meaning a balance or weighing.

Where it is used

The primary unit for gold and silver across India, Pakistan, and Nepal.

When and where it was developed

Fixed at 180 grains under British India in 1833.

Metric / SI

Nanogram

What is a nanogram?

A nanogram (ng) equals 10^-12 kilogram.

Origin of the nanogram

From the SI prefix 'nano-' (from Greek 'nanos', dwarf).

Where it is used

Molecular biology, forensics, and toxicology.

When and where it was developed

The nano- prefix entered the SI in 1960.

Tola to Nanogram conversion formula

Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.

The relationship between tolas and nanograms:

1 tola = 1.16638e+10 ng
1 ng = 8.573532e-11 tola

To convert tolas to nanograms, multiply the value in tolas by 1.16638e+10. To reverse, multiply nanograms by 8.573532e-11.

How to use this converter

Type a value into the calculator. The result in nanograms updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Nanogram to Tola converter for the reverse direction.

Step-by-step: convert tolas to nanograms

  1. Write down the value in tolas (tola).
  2. Multiply that value by the factor 1.16638e+10.
  3. The product is the equivalent value in nanograms (ng).
  4. To reverse, multiply the nanogram value by 8.573532e-11.

Worked examples

Example 1 — Convert 1 tola to ng:
1 × 1.16638e+10 = 1.16638e+10 ng

Example 2 — Convert 100 tola to ng:
100 × 1.16638e+10 = 1.16638e+12 ng

Real-world example — Small-scale to atomic-scale

One tola equals 10 million nanograms — useful for physics curricula that relate everyday measurements to atomic and optical scales.

1 tola × 1.16638e+10 = 1.16638e+10 ng

Real-world example — Centimeter to wavelength scale

One tola equals 10 million nanograms. Physics curricula use this kind of conversion to relate everyday measurements to atomic and optical scales.

1 tola × 1.16638e+10 = 1.16638e+10 ng

Tola to Nanogram conversion table

Standard reference values for converting tolas to nanograms:

Tola [tola]Nanogram [ng]
0.011.16638e+8
0.11.16638e+9
11.16638e+10
22.332761e+10
33.499141e+10
44.665522e+10
55.831902e+10
101.16638e+11
202.332761e+11
303.499141e+11
404.665522e+11
505.831902e+11
1001.16638e+12
5005.831902e+12
10001.16638e+13

Frequently asked questions

How many nanograms is 1 tola?
1 tola equals 1.16638e+10 nanogram.
How do I convert tolas to nanograms?
Multiply the value in tolas by 1.16638e+10 to get nanograms.
How do I convert nanograms back to tolas?
Multiply the value in nanograms by 8.573532e-11, or use the Nanogram to Tola converter.
How many nanograms is 100 tolas?
100 tolas equals 1.16638e+12 nanograms, because 100 × 1.16638e+10 = 1.16638e+12.

Convert Tola to other weight units

Show all Tola conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (5 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 tola = 1.16638e+10 ng) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.