Reference
Common Everyday Objects and How Much They Weigh in Grams
· Updated · 3 min read
In short
A paperclip weighs about 1 gram, a US nickel exactly 5 grams, and a sheet of A4 paper around 5 grams. Anchoring metric weights to familiar objects makes it far easier to judge whether a converted figure is plausible — the fastest check against a misplaced decimal point.
On this page
Conversion arithmetic is easy. Judging whether the answer is sensible is the harder skill, and it is the one that actually catches mistakes. If you know roughly what a gram feels like, a result of 500 g where you expected 0.5 g announces itself immediately.
This is a reference list of familiar objects and their approximate weights, arranged from the very small upward.
Things measured in milligrams
Below about a gram, everyday objects run out fast. This is the territory of medicine, laboratory work and single grains of things.
| Object | Approximate weight | In grams |
|---|---|---|
| A grain of fine table salt | 0.06 mg | 0.00006 g |
| A grain of sand (fine) | 0.5 mg | 0.0005 g |
| A single eyelash | ~0.1 mg | 0.0001 g |
| A grain of rice | 20–25 mg | 0.02–0.025 g |
| A typical 500 mg tablet | 500 mg of active ingredient | 0.5 g |
| A single staple | ~35 mg | 0.035 g |
| A drop of water | ~50 mg | 0.05 g |
Why tablets weigh more than their stated strength
A tablet labelled 500 mg contains 500 mg of active ingredient. The tablet itself weighs more, because it also contains binders, fillers and coating. The label describes the medicine, not the object.
Things that weigh about a gram
The gram is the most useful anchor point in the whole system, because 1 g = 1,000 mg is the conversion people need most often. Several very familiar objects land right around it.
- A standard paperclip — about 1 g, the classic reference object.
- A raisin — roughly 1 g.
- A US dollar bill — 1 g almost exactly.
- A thumbtack — around 1 g.
- A quarter teaspoon of sugar — approximately 1 g.
Key takeaway
A paperclip weighs about 1 gram, which is also 1,000 milligrams. That single anchor makes almost every mg-to-g conversion sanity-checkable.
Everyday objects from 1 g upward
| Object | Weight in grams | Weight in milligrams |
|---|---|---|
| Paperclip | 1 g | 1,000 mg |
| Sheet of A4 paper (80 gsm) | 5 g | 5,000 mg |
| US nickel | 5 g | 5,000 mg |
| Teaspoon of salt | 6 g | 6,000 mg |
| AA battery | 24 g | 24,000 mg |
| Slice of bread | 30 g | 30,000 mg |
| Golf ball | 46 g | 46,000 mg |
| Chicken egg (medium) | 58 g | 58,000 mg |
| Deck of playing cards | 94 g | 94,000 mg |
| Apple (medium) | 180 g | 180,000 mg |
| Smartphone | 190 g | 190,000 mg |
| Can of soft drink (330 ml) | 350 g | 350,000 mg |
The right-hand column is worth reading, because it shows how quickly milligrams stop being a sensible unit. Describing an apple as 180,000 mg is technically correct and completely useless — which is exactly why the ladder of units exists.
Grams → Milligrams
180,000mg
180 g = 180,000 mg
Both sides weigh exactly the same — only the unit changes.
Convert any of these weights yourself — the result updates as you type.
Objects with exact, defined weights
A few everyday items are manufactured to a specification, so their weights are precise rather than approximate. These make the best calibration references:
- A US nickel is specified at exactly 5.000 g — widely used to check small scales.
- A US cent (post-1982) is 2.5 g.
- A euro 1-cent coin is 2.30 g.
- A UK penny is 3.56 g.
- A4 paper at 80 gsm is 5.0 g per sheet by definition of the gsm rating.
Using a nickel to check a scale
Placing a nickel on a kitchen scale should read 5 g. If it does not, the scale is either miscalibrated or too coarse to be trusted for small quantities. This does not work for milligram amounts — see how digital scales measure small weights.
What this is good for
The practical value of a list like this is not memorising it. It is having two or three reliable anchors so that an implausible result stands out.
- 1You convert 500 mg and get 0.5 g. Half a paperclip — plausible for a tablet's active ingredient.
- 2You convert 500 mg and get 500 g. Half a can of soft drink — obviously wrong for a tablet, so the decimal point moved the wrong way.
- 3You convert 25 mcg and get 0.000025 g. Far below a grain of salt — plausible for a vitamin.
Quick facts
- A paperclip ≈ 1 g = 1,000 mg.
- A US nickel = exactly 5 g = 5,000 mg.
- A sheet of 80 gsm A4 paper = 5 g.
- A grain of table salt ≈ 0.06 mg — about 15 grains to a milligram.
- Most kitchen scales resolve to 1 g and cannot measure milligrams at all.
For the conversions themselves, the calculator handles any value exactly, and the conversion chart lists the figures people look up most.
About this article
Written and maintained by the Milligrams to Grams editorial team. Every conversion figure in this article is generated with the same exact-decimal engine that powers the site's calculator, and is verified by an automated test suite rather than typed by hand. Read more about our methodology and accuracy standards.