Question 1

How do I use these conversion charts?

Accepted Answer

Find the unit you're converting from in the left column, then read across to the column of the unit you're converting to. The value at the intersection is the conversion factor or result for one unit. Multiply your value by that factor to get the converted result.

Question 2

Can I print these conversion charts?

Accepted Answer

Yes, these charts are designed to be print-friendly. Use your browser's print function (Ctrl+P or Cmd+P) to print any chart. The tables will format cleanly on paper for quick desk reference.

Question 3

How accurate are the values in these tables?

Accepted Answer

All conversion factors are sourced from NIST and BIPM standards. Values are displayed with 3-6 significant digits for readability. For maximum precision, use our interactive calculators which provide up to 15 significant digits.

Question 4

What units are included in each chart?

Accepted Answer

Each chart includes the most commonly used units for that category. Length: meters, feet, inches, km, miles, cm. Weight: kg, lb, oz, g, stone. Temperature: Celsius, Fahrenheit, Kelvin. Volume: liters, gallons, mL, cups. Speed: mph, km/h, m/s, knots. Area: m², ft², acres, hectares.

Question 5

Where can I find more detailed conversion tables?

Accepted Answer

Each category page has its own detailed conversion tables with more units and values. Click the 'View full converter' link below any chart to access the complete conversion tool with interactive calculator and extended reference tables.

	m	ft	in	km	mi	cm
1 Meter	1	3.281	39.37	0.001	0.000621	100
1 Foot	0.3048	1	12	0.000305	0.000189	30.48
1 Inch	0.0254	0.0833	1	0.0000254	0.0000158	2.54
1 Kilometer	1000	3281	39370	1	0.6214	100000
1 Mile	1609	5280	63360	1.609	1	160934
1 Centimeter	0.01	0.0328	0.3937	0.00001	0.00000621	1

	kg	lb	oz	g	st
1 Kilogram	1	2.205	35.27	1000	0.1575
1 Pound	0.4536	1	16	453.6	0.0714
1 Ounce	0.02835	0.0625	1	28.35	0.00446
1 Gram	0.001	0.002205	0.03527	1	0.000157
1 Stone	6.35	14	224	6350	1

Description	°C	°F	K
Absolute Zero	-273.15	-459.67	0
Freezing Point of Water	0	32	273.15
Room Temperature	20	68	293.15
Body Temperature	37	98.6	310.15
Boiling Point of Water	100	212	373.15
Oven (Moderate)	180	356	453.15
Oven (Hot)	230	446	503.15

	L	gal (US)	mL	cup (US)	fl oz (US)
1 Liter	1	0.2642	1000	4.227	33.81
1 US Gallon	3.785	1	3785	16	128
1 Milliliter	0.001	0.000264	1	0.00423	0.03381
1 US Cup	0.2366	0.0625	236.6	1	8
1 US Fl Oz	0.02957	0.00781	29.57	0.125	1

	mph	km/h	m/s	knots
1 mph	1	1.609	0.4470	0.8684
1 km/h	0.6214	1	0.2778	0.5400
1 m/s	2.237	3.6	1	1.944
1 knot	1.151	1.852	0.5144	1

Unit Conversion Charts & Reference Tables

Length Conversion Chart

Weight & Mass Conversion Chart

Temperature Conversion Chart

Volume Conversion Chart

Speed Conversion Chart

Area Conversion Chart

More Conversion Charts

Chart FAQs

	m²	ft²	acre	hectare
1 sq meter	1	10.76	0.000247	0.0001
1 sq foot	0.0929	1	0.0000230	0.00000929
1 acre	4047	43560	1	0.4047
1 hectare	10000	107639	2.471	1