Horsepower to Terawatts

Convert Horsepower to Terawatts instantly. Free online power unit converter with exact formula, conversion table and FAQ.

Advertisement Ad slot: leaderboard (728x90)

Reserved for a responsive leaderboard above the conversion details.

Professional calculator style

World-scale conversion engine

30+ categories 6,500+ units Instant results Offline ready

Converter

Length Converter

Convert metric, imperial, and nautical distance units.

Result 1 Unit = Unit
Advertisement Converter ad slot

Reserved below the result so the calculator remains usable.

From definition

To definition

Formula

Use the converter to see the formula.

Results update instantly for Horsepower to Terawatts conversions.

Advertisement Ad slot: content top (728x90)

Reserved above the conversion cards and below the converter.

Formula

TW = hp × 7.456998716e-10

hp = TW × 1341022090

Conversion table

1 hp7.457e-10 TW
5 hp3.7285e-9 TW
10 hp7.457e-9 TW
20 hp1.4914e-8 TW
50 hp3.7285e-8 TW
100 hp7.457e-8 TW
500 hp3.7285e-7 TW
1000 hp7.457e-7 TW
Advertisement Ad slot: content middle (728x90)

Reserved between the cards and the FAQ so the page stays balanced.

Frequently asked questions

What is the source unit in this conversion?

The source unit is the horsepower (hp). Mechanical (imperial) horsepower is a traditional unit of power used for engines and motors, defined as exactly 745.6998715822702 watts.

What is the destination unit in this conversion?

The destination unit is the terawatt (TW). A terawatt is 1e+12 watt units.

How do I convert horsepower to terawatts?

Multiply the horsepower value by 7.456998716e-10 to get terawatt. For example, 1000 hp × 7.456998716e-10 = 7.457e-7 TW.

Is the horsepower to terawatts conversion exact?

Yes. Both units are defined by fixed numeric relationships to the watt, so the conversion factor used here, 7.456998716e-10, is exact.

Where is this conversion commonly used?

It is used when comparing power ratings expressed in horsepower against equipment, engines, or specifications rated in terawatts.

Can I convert terawatts back to horsepower?

Yes. Multiply the terawatt value by 1341022090 to get horsepower.

Advertisement Ad slot: content bottom (728x90)

Reserved between the FAQ and the article so the page stays balanced.

About this conversion

This page converts horsepower (hp) into terawatts (TW), two units used to describe power, the rate at which energy is transferred or work is done.

Mechanical (imperial) horsepower is a traditional unit of power used for engines and motors, defined as exactly 745.6998715822702 watts.

A terawatt is 1e+12 watt units.

The formula is TW = hp × 7.456998716e-10, derived from each unit's fixed relationship to the watt, the SI unit of power.

Because both units are defined by exact numeric relationships to the watt, this conversion is exact rather than approximate.