How do you convert kilo to mega?

To convert kilo (k) to mega (M), multiply the measurement in kilo by 0.001 (mega = kilo × 0.001).

What is 5 kilo in mega?

5 kilo (5 k) is equal to 0.005 mega (0.005 M).

Which is larger, 1 kilo (k) (k) or 1 mega (m) (M)?

One mega (m) (M) is larger than one kilo (k) (k). Specifically, 1 M equals 1,000 k, while 1 k is 0.001 M.

How do I convert back from mega (10⁶) (M) to kilo (10³) (k)?

To reverse the calculation from M to k, multiply your mega (m) value by the inverse factor 1,000 (or divide by 0.001). You can also click the Swap button in the tool above to flip directions in one click.

How many decimal places should I round k to M results to?

For everyday comparisons and quick estimates, rounding to 2 decimal places is usually sufficient (for example, 5 k ≈ 0.01 M). For engineering, laboratory, or machining specifications, select 4 or 6 decimals—or Scientific (10ⁿ) mode—in the calculator toolbar above.

Kilo to Mega Converter

Enter the prefix value in kilo below to convert it to mega.

Mega (10⁶) to Kilo (10³) (M → k)

Convert Kilo (10³) to Mega (10⁶)

Enter a value in kilo (10³) (k) to convert to mega (10⁶) (M).

Value (k)

From

Result

•

0.005mega (10⁶)

5 k = 0.005 M

Result updates automatically

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Suggested Conversions

Reference:NIST OWM (SI Units — Length)

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Kilo to Mega Conversion Table

Table showing various kilo measurements converted to mega. Click any preset value or arrow to load it into the converter.

Kilo (10³) (k)	Mega (10⁶) (M)
1 k	0.001 M
2 k	0.002 M
2.5 k	0.0025 M
5 k	0.005 M
10 k	0.01 M
15 k	0.015 M
20 k	0.02 M
25 k	0.025 M
30 k	0.03 M
50 k	0.05 M

How to Convert Kilo to Mega

To convert kilo to mega, multiply the prefix value by the following conversion ratio: 0.001 mega/kilo.

Since one kilo is equal to 0.001 mega, you can use this simple formula to convert:

mega = kilo × 0.001

The prefix value in mega is equal to the prefix value in kilo multiplied by 0.001.

For example, here's how to convert 5 kilo to mega using the formula above.

mega = (5 k × 0.001) = 0.005 M

How Many Mega Are in a Kilo?

There are 0.001 mega in a kilo, which is why we use this value in the formula above.

1 k = 0.001 M|1 M = 1,000 k

Our kilo to mega calculator automatically converts your prefix value measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Kilo and mega are both units used to measure prefix value. Keep reading to learn more about each unit.

What Is a Kilo?

A kilo is a unit of prefix value equal to 1,000 base units (1), the base unit for prefix value. SI prefix for 10³ (thousand). [1]

The kilo is classified as an International System of Units (SI) unit of prefix value. Kilo can be abbreviated as k; for example, 1 kilo can be written as 1 k.

When working with kilo (k) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, kilo (k) are widely used across large-scale industrial, bulk, and macro-level prefix value specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.

Learn more about kilo in our Prefixes Converter.

What Is a Mega?

A mega is a unit of prefix value equal to 1,000,000 base units (1), the base unit for prefix value. SI prefix for 10⁶ (million). [2]

The mega is classified as an International System of Units (SI) unit of prefix value. Mega can be abbreviated as M; for example, 1 mega can be written as 1 M.

When working with mega (M) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, mega (M) are widely used across large-scale industrial, bulk, and macro-level prefix value specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.

Learn more about mega in our Prefixes Converter.

When converting prefix value between kilo (k) and mega (M), keep full floating-point precision (1 k = 0.001 M; 1 M = 1,000 k) during intermediate calculations and round only the final mega figure to match your instrument tolerance.

More Kilo & Mega Conversions

Need to calculate in the opposite direction? Use our mega (10⁶) to kilo (10³) calculator to switch your starting unit immediately. You can also explore related tools such as converting mega (10⁶) to kilo (10³), converting base units (10⁰) to mega (10⁶), or converting base units (10⁰) to tera (10¹²).

Convert from Kilo

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Frequently Asked Questions

There are 0.001 mega (M) in 1 kilo (k). Conversely, 1 mega (M) is equal to 1,000 kilo (k).

Prefixes Converter

Quick Info

Direct Factor: 1 kilo (k) (k) equals 0.001 mega (10⁶) (M).
Inverse Factor: 1 mega (m) (M) equals 1,000 kilo (10³) (k).
Formula: mega (10⁶) = kilo (10³) ÷ 1000.
Verified Precision: Anchored to official NIST SP 811 and ISO/IEC 80000 standards.

Units Comparison

Kilo (k) (k)

SI prefix for 10³ (thousand).

Mega (M) (M)

SI prefix for 10⁶ (million).

Base Unit (No Prefix) (1)

Unprefixed SI base unit (10⁰ = 1).

References

[1]NIST OWM · SI Units — Length
Source
[2]BIPM · SI Base Unit: Metre (m)
Source
[3]NIST HB 133 · NIST Handbook 133 (2019 Ed.)
Source

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References

NIST · BIPM · ISO

[1]
NIST OWM (SI Units — Length)·Prefixes Metrology Standard — Kilo (10³) (k) to Mega (10⁶) (M)
NIST OWM Standard
[2]
BIPM (SI Base Unit: Metre (m))·Unit Specifications: Kilo (k) (k) & Mega (M) (M)
BIPM Specification
[3]
NIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (k to M)
NIST HB 133 Reference

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