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g to lbs Converter

Convert masses between grams, kilograms, pounds, and ounces for cooking, shipping, or lab work.

Formula shown0 inputs definedUpdated Nov 2025By CalcuTotal TeamFree, no sign-up

Quick Summary

Use this when you need:

Translate metric ingredient lists into US customary weights
Check parcel weights quoted in pounds against gram-based thresholds
Teach students how grams relate to pounds and ounces

You’ll get:Mass

How this is calculated

Formula:

mass_target = mass_source

In plain language:

All masses are normalized to grams, then expressed as pounds, ounces, or kilograms so the converter stays consistent across units.

The formula is always visible so you can verify the math and explain your numbers to anyone who asks.

What these terms mean

Mass

Mass used in the calculation.

When to use this calculator

Translate metric ingredient lists into US customary weights
Check parcel weights quoted in pounds against gram-based thresholds
Teach students how grams relate to pounds and ounces

Last updated: November 27, 2025

Grams to pounds conversion explained

Shipping labels, recipes, and lab reports often mix grams with pounds or ounces. This calculator converts between them using the exact NIST definitions so you can check thresholds, print labels, or swap units without rounding errors.

How the conversion works

The international pound is defined as exactly 0.45359237 kilograms. From that:

$1\,\text{lb} = 453.59237\,\text{g} \qquad 1\,\text{oz} = \frac{1}{16}\,\text{lb} = 28.349523125\,\text{g}$

To convert grams to pounds,

$\text{lb} = \frac{m_{g}}{453.59237}$

and to convert pounds back to grams,

$m_{g} = \text{lb} \times 453.59237$

Units and conversions

Unit	Symbol	Relation
Gram	g	Base mass input
Kilogram	kg	$1\,\text{kg} = 1000\,\text{g}$
Pound	lb	$1\,\text{lb} = 453.59237\,\text{g}$
Ounce	oz	$1\,\text{oz} = 28.349523125\,\text{g}$

Worked examples

500 g to pounds

$\text{lb} = 500 / 453.59237 \approx 1.1023\,\text{lb}$

2 lb to grams

$m = 2 \times 453.59237 = 907.18474\,\text{g}$

1500 g parcel to pounds and ounces

$\text{lb} = 1500 / 453.59237 \approx 3.3069\,\text{lb}$

$\text{oz} = 3.3069 \times 16 \approx 52.91\,\text{oz}$

Tips and pitfalls

Keep at least four decimals in pounds when checking shipping cutoffs; services often round up.
For body weight, stones are 14 lb; convert pounds first, then divide by 14 if you need stones.
The calculator uses the international pound; survey pounds are obsolete and rarely required.

References and further reading

Frequently Asked Questions

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Calculator info

Version:: v1.0.0
Last reviewed:: Nov 27, 2025
Sensitivity:: low

Last updated: November 27, 2025

Grams to pounds conversion explained

How the conversion works

The international pound is defined as exactly 0.45359237 kilograms. From that:

$1\,\text{lb} = 453.59237\,\text{g} \qquad 1\,\text{oz} = \frac{1}{16}\,\text{lb} = 28.349523125\,\text{g}$

To convert grams to pounds,

$\text{lb} = \frac{m_{g}}{453.59237}$

and to convert pounds back to grams,

$m_{g} = \text{lb} \times 453.59237$

Units and conversions

Unit	Symbol	Relation
Gram	g	Base mass input
Kilogram	kg	$1\,\text{kg} = 1000\,\text{g}$
Pound	lb	$1\,\text{lb} = 453.59237\,\text{g}$
Ounce	oz	$1\,\text{oz} = 28.349523125\,\text{g}$

Worked examples

500 g to pounds

$\text{lb} = 500 / 453.59237 \approx 1.1023\,\text{lb}$

2 lb to grams

$m = 2 \times 453.59237 = 907.18474\,\text{g}$

1500 g parcel to pounds and ounces

$\text{lb} = 1500 / 453.59237 \approx 3.3069\,\text{lb}$

$\text{oz} = 3.3069 \times 16 \approx 52.91\,\text{oz}$

Tips and pitfalls

Keep at least four decimals in pounds when checking shipping cutoffs; services often round up.
For body weight, stones are 14 lb; convert pounds first, then divide by 14 if you need stones.
The calculator uses the international pound; survey pounds are obsolete and rarely required.

Quick Summary

Calculator Tool

How this is calculated

What these terms mean

Mass

When to use this calculator

Grams to pounds conversion explained

How the conversion works

Units and conversions

Worked examples

Tips and pitfalls

References and further reading

Frequently Asked Questions

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Was this calculator helpful?

Found an error?

Calculator info

Grams to pounds conversion explained

How the conversion works

Units and conversions

Worked examples

Tips and pitfalls

References and further reading

Frequently Asked Questions

Related Calculators

Grams to Ounces Calculator

Pounds and Ounces Calculator

Molar mass of gas

Molarity

Mole

Radioactive decay

Was this calculator helpful?

Found an error?

Calculator info