| Equivalencia | Valor |
|---|---|
| 1 [in] | 2,54 [cm] |
| 1 [m] | 39,37 [in] = 3,281 [ft] |
| 1 [ft] | 0,3048 [m] |
| 12 [in] | 1 [ft] |
| 3 [ft] | 1 [yd] |
| 1 [yd] | 0,9144 [m] |
| 1 [km] | 0,621 [mi] |
| 1 [mi] | 1,609 [km] = 5.280 [ft] |
| 1 [Å] | 10-10 [m] |
| 1 [µm] | 10-6 [m] = 104 [Å] |
| 1 [año luz] | 9,461×1015 [m] |
| Equivalencia | Valor |
|---|---|
| 1 [m²] | 104 [cm²] = 10,76 [ft²] |
| 1 [ft²] | 0,0929 [m²] = 144 [in²] |
| 1 [in²] | 6,452 [cm²] |
| Equivalencia | Valor |
|---|---|
| 1 [m³] | 106 [cm³] = 6,102×104 [in³] |
| 1 [ft³] | 1728 [in³] = 2,83×10-2 [m³] |
| 1 [lt] | 1000 [cm³] = 1,0576 [qt] = 0,0353 [ft³] |
| 1 [ft³] | 7,481 [gal] = 28,32 [lt] = 2,832×10-2 [m³] |
| 1 [gal] | 3,786 [lt] = 231 [in³] |
| Equivalencia | Valor |
|---|---|
| 1000 [kg] | 1 [t] (Tonelada métrica) |
| 1 [slug] | 14,59 [kg] |
| 1 [u] | 1,66×10-27 [kg] |
| Equivalencia | Valor |
|---|---|
| 1 [N] | 105 [dina] = 0,2248 [lb] |
| 1 [lb] | 4,448 [N] |
| 1 [dina] | 10-5 [N] = 2,248×10-6 [lb] |
| Equivalencia | Valor |
|---|---|
| 1 [mi/h] | 1,47 [ft/s] = 0,447 [m/s] = 1,61 [km/h] |
| 1 [m/s] | 100 [cm/s] = 3,281 [ft/s] |
| 1 [mi/min] | 60 [mi/h] = 88 [ft/s] |
| Equivalencia | Valor |
|---|---|
| 1 [m/s²] | 3,28 [ft/s²] = 100 [cm/s²] |
| 1 [ft/s²] | 0,3048 [m/s²] = 30,48 [cm/s²] |
| Equivalencia | Valor |
|---|---|
| 1 [bar] | 105 [N/m²] = 14,5 [lb/in²] |
| 1 [atm] | 760 [mmHg] = 76 [cmHg] = 14,7 [lb/in²] = 1,013×105 [N/m²] |
| 1 [Pa] | 1 [N/m²] = 1,45×10-5 [lb/in²] |
| Equivalencia | Valor |
|---|---|
| 1 [año] | 365 [días] = 3,16×107 [s] |
| 1 [día] | 24 [h] = 1,44×103 [min] = 8,64×104 [s] |
| Equivalencia | Valor |
|---|---|
| 1 [J] | 0,738 [ft·lb] = 107 [ergs] |
| 1 [cal] | 4,186 [J] |
| 1 [Btu] | 252 [cal] = 1,054×105 [J] |
| 1 [eV] | 1,6×10-19 [J] |
| 931,5 [MeV] | 1 [u] |
| 1 [kWh] | 3,6×106 [J] |
| Equivalencia | Valor |
|---|---|
| 1 [hp] | 550 [ft·lb/s] = 0,746 [kW] |
| 1 [cal] | 4,186 [J] |
| 1 [Btu] | 252 [cal] = 1,054×105 [J] |
| 1 [W] | 1 [J/s] = 0,738 [ft·lb/s] |
| 1 [Btu/h] | 0,293 [W] |
| Factor | Prefijo | Símbolo |
|---|---|---|
| 1024 | yotta | Y |
| 1021 | zetta | Z |
| 1018 | exa | E |
| 1015 | peta | P |
| 1012 | tera | T |
| 109 | giga | G |
| 106 | mega | M |
| 103 | kilo | k |
| 102 | hecto | h |
| 101 | deca | da |
| Factor | Prefijo | Símbolo |
|---|---|---|
| 10-1 | deci | d |
| 10-2 | centi | c |
| 10-3 | mili | m |
| 10-6 | micro | µ |
| 10-9 | nano | n |
| 10-12 | pico | p |
| 10-15 | femto | f |
| 10-18 | atto | a |
| 10-21 | zepto | z |
| 10-24 | yacto | y |
