---
title: "Carats to Pounds — ct to lb converter"
description: "1 carat = 0.0004409 pounds. Convert carats to pounds with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/carats-to-lbs/
site: "At One Place"
---

# Carats to pounds

**1 carat in pounds: 1 ct = 0.0004409 lb**

lb = ct × 0.000440924524

To convert carats to pounds, multiply by 0.000440924524. The table below gives the values people look up most often, and the converter works for any number.

## Carats to pounds table

*Common carat values converted to pounds.*

| Carats | Pounds |
| --- | --- |
| 1 ct | 0.0004409 |
| 2 ct | 0.0008818 |
| 3 ct | 0.0013228 |
| 4 ct | 0.0017637 |
| 5 ct | 0.0022046 |
| 10 ct | 0.0044092 |
| 15 ct | 0.0066139 |
| 20 ct | 0.0088185 |
| 25 ct | 0.011023 |
| 30 ct | 0.013228 |
| 40 ct | 0.017637 |
| 50 ct | 0.022046 |
| 75 ct | 0.033069 |
| 100 ct | 0.044092 |
| 250 ct | 0.11023 |
| 500 ct | 0.22046 |
| 1,000 ct | 0.44092 |

## How the conversion works

The relationship is lb = ct × 0.000440924524. Both units measure mass, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

## Common questions

### How many pounds are in one carat?

One carat equals 0.0004409 pounds. lb = ct × 0.000440924524.

### How do you convert carats to pounds?

Use lb = ct × 0.000440924524. So 10 ct is 0.0044092 lb.

### How many carats are in one pound?

One pound equals 2,267.9619 carats, which is the reverse of the conversion above.

## Related pages

- [Pounds to Carats](https://atoneplace.net/convert/lbs-to-carats/)
- [Carats to Kilograms](https://atoneplace.net/convert/carats-to-kg/)
- [Carats to Grams](https://atoneplace.net/convert/carats-to-grams/)
- [Carats to Milligrams](https://atoneplace.net/convert/carats-to-mg/)
- [Carats to Tonnes](https://atoneplace.net/convert/carats-to-tonnes/)
- [Carats to Ounces](https://atoneplace.net/convert/carats-to-oz/)
- [Carats to Stone](https://atoneplace.net/convert/carats-to-stone/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)