TaxBullUK capital gains tax

HMRC exchange rates for December 2018

145 currencies, as HMRC published them for 1 to 31 December 2018. Each figure is the number of units you get for one pound.

Divide, do not multiply

Sterling is the foreign amount divided by the rate in this table. Multiplying instead is wrong by the square of the rate, which on a typical dollar figure is more than half as much again.

HMRC do not prescribe which exchange rate you use. CG78310 expects a reasonable and consistent method, and the monthly rate is the method this calculator applies to every trade. What CG78310 does settle is the date: sterling worth is taken at the date of the acquisition or disposal (Bentley v Pike, Capcount Trading v Evans). A broker's own rate and a market feed are neither published nor consistent, so this site never reads one.

Every rate HMRC published for December 2018

Units of each currency per £1, for 1 to 31 December 2018. Sorted by currency code.
Code Currency Units per £1 Period covered
AED Dirham 4.6934 1 to 31 December 2018
ALL Lek 139.53 1 to 31 December 2018
AMD Dram 618.82 1 to 31 December 2018
AOA Readj Kwanza 396.62 1 to 31 December 2018
ARS Peso 46.32 1 to 31 December 2018
AUD Dollar 1.7594 1 to 31 December 2018
AWG Florin 2.2872 1 to 31 December 2018
AZN New Manat 2.1678 1 to 31 December 2018
BAM Marka 2.1934 1 to 31 December 2018
BBD Dollar 2.5556 1 to 31 December 2018
BDT Taka 107.17 1 to 31 December 2018
BGN Lev 2.1933 1 to 31 December 2018
BHD Dinar 0.4817 1 to 31 December 2018
BIF Franc 2,296.56 1 to 31 December 2018
BMD Dollar (US) 1.2778 1 to 31 December 2018
BND Dollar 1.7537 1 to 31 December 2018
BOB Boliviano 8.8295 1 to 31 December 2018
BRL Real 4.8461 1 to 31 December 2018
BSD Dollar 1.2778 1 to 31 December 2018
BTN Ngultrum 91.34 1 to 31 December 2018
BWP Pula 13.5 1 to 31 December 2018
BYN Rouble 2.6904 1 to 31 December 2018
BZD Dollar 2.554 1 to 31 December 2018
CAD Dollar 1.6988 1 to 31 December 2018
CDF Congo Fr 2,071.3 1 to 31 December 2018
CHF Franc 1.272 1 to 31 December 2018
CLP Peso 885.34 1 to 31 December 2018
CNY Yuan 8.8669 1 to 31 December 2018
COP Peso 4,091.47 1 to 31 December 2018
CRC Colon 766.92 1 to 31 December 2018
CUP Peso 1.2778 1 to 31 December 2018
CVE Escudo 124.09 1 to 31 December 2018
CZK Koruna 29.16 1 to 31 December 2018
DJF Franc 227.08 1 to 31 December 2018
DKK Krone 8.3679 1 to 31 December 2018
DOP Peso 63.72 1 to 31 December 2018
DZD Dinar 151.54 1 to 31 December 2018
ECS Dollar 1.2778 1 to 31 December 2018
EGP Pound 22.94 1 to 31 December 2018
ERN Nakfa 19.16 1 to 31 December 2018
ETB Birr 35.6 1 to 31 December 2018
EUR Euro 1.1215 1 to 31 December 2018
FJD Dollar 2.7041 1 to 31 December 2018
GEL Lari 3.3925 1 to 31 December 2018
GHS Cedi 6.1845 1 to 31 December 2018
GMD Dalasi 63.26 1 to 31 December 2018
GNF Franc 11,604.28 1 to 31 December 2018
GTQ Quetzal 9.8317 1 to 31 December 2018
GYD Dollar 266.57 1 to 31 December 2018
HKD Dollar 10 1 to 31 December 2018
HNL Lempira 31 1 to 31 December 2018
HRK Kuna 8.3346 1 to 31 December 2018
HTG Gourde 93.9 1 to 31 December 2018
HUF Forint 360.72 1 to 31 December 2018
IDR Rupiah 18,662.18 1 to 31 December 2018
ILS Shekel 4.7651 1 to 31 December 2018
INR Rupee 91.34 1 to 31 December 2018
IQD Dinar 1,520.57 1 to 31 December 2018
ISK Krona 158.35 1 to 31 December 2018
JMD Dollar 160.76 1 to 31 December 2018
JOD Dinar 0.907 1 to 31 December 2018
JPY Yen 144.35 1 to 31 December 2018
KES Schilling 130.71 1 to 31 December 2018
KGS Som 89.22 1 to 31 December 2018
KHR Riel 5,163.55 1 to 31 December 2018
KMF Franc 551.72 1 to 31 December 2018
KRW Won 1,446.07 1 to 31 December 2018
KWD Dinar 0.3886 1 to 31 December 2018
KYD Dollar 1.0478 1 to 31 December 2018
KZT Tenge 470.63 1 to 31 December 2018
LAK Kip 10,918.73 1 to 31 December 2018
LBP Pound 1,933.29 1 to 31 December 2018
LKR Rupee 228.39 1 to 31 December 2018
LRD Dollar 1.2778 1 to 31 December 2018
LSL Loti 17.77 1 to 31 December 2018
LYD Dinar 1.7953 1 to 31 December 2018
MAD Dirham 12.12 1 to 31 December 2018
MDL Leu 21.89 1 to 31 December 2018
MGA Malagasy Ariary 4,657.55 1 to 31 December 2018
MKD Denar 68.94 1 to 31 December 2018
MMK Kyat 2,041.14 1 to 31 December 2018
MNT Tugrik 3,296.7 1 to 31 December 2018
MOP Pataca 10.3 1 to 31 December 2018
MRO not held 456.55 1 to 31 December 2018
MUR Rupee 43.95 1 to 31 December 2018
MVR Rufiyaa 19.75 1 to 31 December 2018
MWK Kwacha 931.64 1 to 31 December 2018
MXN Mexican Peso 25.83 1 to 31 December 2018
MYR Ringgit 5.3597 1 to 31 December 2018
MZN Metical 78.48 1 to 31 December 2018
NGN Naira 464.47 1 to 31 December 2018
NIO Gold Cordoba 41.09 1 to 31 December 2018
NOK Norwegian Krone 10.91 1 to 31 December 2018
NPR Rupee 146.14 1 to 31 December 2018
NZD Dollar 1.8676 1 to 31 December 2018
OMR Rial 0.4919 1 to 31 December 2018
PAB Balboa 1.2778 1 to 31 December 2018
PEN New Sol 4.315 1 to 31 December 2018
PGK Kina 4.3051 1 to 31 December 2018
PHP Peso 66.9 1 to 31 December 2018
PKR Rupee 171.19 1 to 31 December 2018
PLN Zloty 4.8262 1 to 31 December 2018
PYG Guarani 7,574.58 1 to 31 December 2018
QAR Riyal 4.6528 1 to 31 December 2018
RON New Leu 5.2298 1 to 31 December 2018
RSD Dinar 132.75 1 to 31 December 2018
RUB Rouble 84.16 1 to 31 December 2018
RWF Franc 1,136.6 1 to 31 December 2018
SAR Riyal 4.7943 1 to 31 December 2018
SBD Dollar 10.23 1 to 31 December 2018
SCR Rupee 17.74 1 to 31 December 2018
SDG Pound 60.84 1 to 31 December 2018
SEK Krona 11.56 1 to 31 December 2018
SGD Dollar 1.7537 1 to 31 December 2018
SLL Leone 10,637.61 1 to 31 December 2018
SOS Schilling 742.39 1 to 31 December 2018
SRD Dollar 9.5298 1 to 31 December 2018
STD Dobra 27,568.4 1 to 31 December 2018
SVC Colon 11.18 1 to 31 December 2018
SZL Lilangeni 17.77 1 to 31 December 2018
THB Baht 42.13 1 to 31 December 2018
TMT New Manat 4.4723 1 to 31 December 2018
TND Dinar 3.7235 1 to 31 December 2018
TOP Pa'anga (AUS) 1.7594 1 to 31 December 2018
TRY Turkish Lira 6.792 1 to 31 December 2018
TTD Dollar 8.623 1 to 31 December 2018
TWD Dollar 39.46 1 to 31 December 2018
TZS Schilling 2,952.97 1 to 31 December 2018
UAH Hryvnia 35.42 1 to 31 December 2018
UGX Schilling 4,753.38 1 to 31 December 2018
USD Dollar 1.2778 1 to 31 December 2018
UYU Peso 41.53 1 to 31 December 2018
UZS Sum 10,576.96 1 to 31 December 2018
VEF Bolivar Fuerte 317,617.87 1 to 31 December 2018
VND Dong 29,840.32 1 to 31 December 2018
VUV Vatu 144.26 1 to 31 December 2018
WST Tala 3.3001 1 to 31 December 2018
XAF CFA Franc 735.62 1 to 31 December 2018
XCD E Caribbean Dollar 3.45 1 to 31 December 2018
XOF CFA Franc 735.62 1 to 31 December 2018
XPF CFP Franc 133.82 1 to 31 December 2018
YER Rial 319.61 1 to 31 December 2018
ZAR Rand 17.77 1 to 31 December 2018
ZMW Kwacha 15.23 1 to 31 December 2018
ZWL Dollar 462.43 1 to 31 December 2018

Rates are shown exactly as published and are not rounded, because the calculator divides by the same figure. A currency with no name against it is one this server holds only by code.

Where this month came from

Months before January 2021 come from HMRC's own XML archive, which is what the gov.uk collection links to for monthly rates up to December 2020. This is the file for December 2018:

http://www.hmrc.gov.uk/softwaredevelopers/rates/exrates-monthly-1218.XML

The same file is also served with a lower case extension, at http://www.hmrc.gov.uk/softwaredevelopers/rates/exrates-monthly-1218.xml, and HMRC's own index is inconsistent about which. The host is case sensitive, so both spellings are tried. The file carries a Period attribute and a rate is kept only when that attribute names the month asked for, because a wrong month URL still answers 200 with a complete and valid looking file.

The collection that lists both is Exchange rates for customs and VAT on gov.uk. Nothing here is taken from a mirror. A rate comes from HMRC or it does not come at all.

Using this month on a return

Work out the tax from your broker CSV →

Upload a broker export and every foreign trade in it is converted at the HMRC rate for its own month, with the month named in the report. The guide explains the matching rules that decide which cost a disposal takes.