Measurement Converter
Convert length, area, volume, mass and temperature between metric, imperial and US units, and copy the value into any craft.
At a glance
- What you enter
- What are you converting?, Value to convert, Show the answer in, How many of them
- What you get
- Converted value, Converted value for the whole order, Value in the base unit of the family, Answer divided by the input, Value in degrees Celsius, Value in degrees Fahrenheit, Length answer in the named unit
- Formula shown
- Yes, every step, right below your results.
- Cost and privacy
- Free, no account needed, and nothing you type is stored.
See worked examples ↓ Read the FAQ ↓ Share this calculator ↓
Results are estimates for general information only, always verify with a professional or official source before acting on them.
How to use the Measurement Converter
- 1 Enter What are you converting?
- 2 Enter Value to convert, The number you have. A negative value is only meaningful for temperature.
- 3 Enter Show the answer in, Only used for area, volume, mass and temperature. For a length conversion the answer is the unit named in the pair above, so leave this on square metres.
- 4 Enter How many of them, For a repeat order: how many pieces, sheets or lengths at the converted size.
- 5 Press Calculate. You get Converted value, Converted value for the whole order, Value in the base unit of the family, Answer divided by the input, Value in degrees Celsius, Value in degrees Fahrenheit, Length answer in the named unit, and every intermediate step stays visible under "How is this calculated?"
- 6 Change one number at a time to see what moves the result, that is usually the most useful thing a calculator can tell you.
Worked examples
Real numbers run through this calculator. Open any example to load it into the form above and change it.
Twelve inches in centimetres
A pattern measurement converted for a metric ruler.
You enter
- What are you converting?
- 1
- Value to convert
- 12
- Show the answer in
- 1
- How many of them
- 1
You get
- Converted value
- 30.48
- Converted value for the whole order
- 30.48
- Value in the base unit of the family
- 0.30
- Answer divided by the input
- 2.54
- Value in degrees Celsius
- 0.00 degC
- Value in degrees Fahrenheit
- 0.00 degF
- Length answer in the named unit
- 30.48
A factor of 2.54 exactly, so 30.48 centimetres, which is also one foot or 0.3048 metres.
A hundred square feet of fabric
An upholstery quantity converted for a metric supplier.
You enter
- What are you converting?
- 7
- Value to convert
- 100
- Show the answer in
- 1
- How many of them
- 1
You get
- Converted value
- 9.29
- Converted value for the whole order
- 9.29
- Value in the base unit of the family
- 9.29
- Answer divided by the input
- 0.09
- Value in degrees Celsius
- 0.00 degC
- Value in degrees Fahrenheit
- 0.00 degF
- Length answer in the named unit
- 62.14
9.29 square metres. Note the base value is in square metres, which is the cross check against the size of the job.
A resin pour measured in US fluid ounces
Thirty two fluid ounces converted to millilitres.
You enter
- What are you converting?
- 10
- Value to convert
- 32
- Show the answer in
- 3
- How many of them
- 1
You get
- Converted value
- 0.95
- Converted value for the whole order
- 0.95
- Value in the base unit of the family
- 0.95
- Answer divided by the input
- 0.03
- Value in degrees Celsius
- 0.00 degC
- Value in degrees Fahrenheit
- 0.00 degF
- Length answer in the named unit
- 19.88
946.4 millilitres, which is a US quart. An imperial quart would be 1136 millilitres, so the origin of the recipe matters.
Guides that go with it
The Complete Handcraft Measurement Guide for Beginners
If you are new to crafting, measuring is usually the first place things go sideways: a cut is 3 mm short, two "identical" squares are not identical, or a pattern that looked fine on paper does not fit...
Natural vs Synthetic Materials: Which Is Better for Handcrafting?
You are standing in a craft shop aisle, or more likely staring at two browser tabs, and the same question keeps surfacing: do I buy the wool, the linen, the real leather, or do I buy the acrylic yarn,...
How to Convert Craft Measurements from Inches to Centimeters
If you have ever followed a pattern in inches and then bought fabric or yarn labelled in centimetres, you already know the small panic that sets in. This guide walks you through converting craft measu...