Convert Stone to Metric Tons
1 stone (st) equals 0.00635029318 metric tons (t).
1 st = 0.00635029318 t
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk stone to metric ton converter to paste a column from Excel.
How to Convert Stone to Metric Ton
- 1 st = 0.00635029318 t
- 1 t = 157.4730444 st
- Example: convert 15 st to t: 15 st = 15 × 0.00635029318 t = 0.0952543977 t
Reference conditions. st: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement).
Formula
t = st × 0.00635029318
or t = st ÷ 157.4730444178
Derivation from SI units:
- 1 st = 14 lb = 6.35029318 kg (exact)
- 1 t = 1000 kg (accepted for use with the SI)
- 1 st = 6.35029318 kg ÷ 1000 kg per t = 0.00635029318 t
Both units are defined exactly, so the factor is exact. Stone definition: stone; Metric Ton definition: metric ton.
Worked examples
- A reading of 10 st converts to 0.0635029318 t.
10 st × 0.00635029318 = 0.0635029318 t - A value of 14 st is 0.08890410452 t.
14 st × 0.00635029318 = 0.08890410452 t
Stone to Metric Ton conversion table
| Stone (st) | Metric Tons (t) |
|---|---|
| 1 st | 0.00635029318 t |
| 5 st | 0.0317514659 t |
| 7 st | 0.04445205226 t |
| 8 st | 0.05080234544 t |
| 9 st | 0.05715263862 t |
| 10 st | 0.0635029318 t |
| 10.5 st | 0.06667807839 t |
| 11 st | 0.06985322498 t |
| 12 st | 0.07620351816 t |
| 13 st | 0.08255381134 t |
| 14 st | 0.08890410452 t |
| 15 st | 0.0952543977 t |
| 16 st | 0.1016046909 t |
| 18 st | 0.1143052772 t |
| 20 st | 0.1270058636 t |
Where it's used
Stone are used for body weight in the UK and Ireland (e.g. 11 st 6 lb), while metric tons appear in vehicle and crane capacities. Both measure mass (commonly called weight), so the conversion is a fixed factor.
Stone to other weight and mass units
| Conversion | 1 st equals |
|---|---|
| stone to kilogram | 6.35029318 kg |
| stone to gram | 6350.29318 g |
| stone to milligram | 6350293.18 mg |
| stone to microgram | 6350293180 µg |
| stone to metric ton | 0.00635029318 t |
| stone to pound | 14 lb |
| stone to ounce | 224 oz |
| stone to short ton | 0.007 ton (US) |
| stone to long ton | 0.00625 ton (UK) |
| stone to grain | 98000 gr |
| stone to troy ounce | 204.1666667 oz t |
| stone to carat | 31751.4659 ct |
Frequently asked questions
How many metric tons are in 1 stone?
1 st = 0.00635029318 t.
How do I convert stone to metric tons?
Multiply the value in st by 0.00635029318, or divide it by 157.4730444. For example, 15 st × 0.00635029318 = 0.0952543977 t.
Is the st to t conversion exact?
Yes. Both units are defined exactly, and 1 st is exactly 0.00635029318 t.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, pound (avoirdupois).
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 8, non-SI units accepted for use with the SI.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Stone to Metric Tons. Retrieved October 17, 2026, from https://scientificconverters.com/mass/stone-to-metric-tons/
IEEE
Scientific Converters, "Convert Stone to Metric Tons," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/mass/stone-to-metric-tons/