Historical US Dollar to Singapore Dollar exchange rates for the full year 2021
| Date | Rate | Change |
|---|---|---|
| December 31, 2021 | 1.3490 | -0.266% |
| December 30, 2021 | 1.3526 | -0.133% |
| December 29, 2021 | 1.3544 | +0.074% |
| December 28, 2021 | 1.3534 | -0.287% |
| December 27, 2021 | 1.3573 | +0.118% |
| December 24, 2021 | 1.3557 | -0.302% |
| December 23, 2021 | 1.3598 | -0.359% |
| December 22, 2021 | 1.3647 | +0.000% |
| December 21, 2021 | 1.3647 | -0.197% |
| December 20, 2021 | 1.3674 | +0.220% |
| December 17, 2021 | 1.3644 | +0.073% |
| December 16, 2021 | 1.3634 | -0.329% |
| December 15, 2021 | 1.3679 | +0.007% |
| December 14, 2021 | 1.3678 | +0.037% |
| December 13, 2021 | 1.3673 | +0.117% |
| December 10, 2021 | 1.3657 | +0.007% |
| December 9, 2021 | 1.3656 | +0.095% |
| December 8, 2021 | 1.3643 | -0.154% |
| December 7, 2021 | 1.3664 | -0.219% |
| December 6, 2021 | 1.3694 | -0.029% |
| December 3, 2021 | 1.3698 | +0.197% |
| December 2, 2021 | 1.3671 | +0.235% |
| December 1, 2021 | 1.3639 | -0.146% |
| November 30, 2021 | 1.3659 | -0.256% |
| November 29, 2021 | 1.3694 | -0.051% |
| November 26, 2021 | 1.3701 | +0.175% |
| November 25, 2021 | 1.3677 | -0.022% |
| November 24, 2021 | 1.3680 | +0.139% |
| November 23, 2021 | 1.3661 | +0.323% |
| November 22, 2021 | 1.3617 | +0.022% |
| November 19, 2021 | 1.3614 | +0.243% |
| November 18, 2021 | 1.3581 | +0.029% |
| November 17, 2021 | 1.3577 | +0.266% |
| November 16, 2021 | 1.3541 | +0.252% |
| November 15, 2021 | 1.3507 | -0.199% |
| November 12, 2021 | 1.3534 | -0.037% |
| November 11, 2021 | 1.3539 | +0.408% |
| November 10, 2021 | 1.3484 | +0.059% |
| November 9, 2021 | 1.3476 | -0.045% |
| November 8, 2021 | 1.3482 | -0.325% |
| November 5, 2021 | 1.3526 | +0.133% |
| November 4, 2021 | 1.3508 | +0.081% |
| November 3, 2021 | 1.3497 | +0.148% |
| November 2, 2021 | 1.3477 | -0.133% |
| November 1, 2021 | 1.3495 | +0.245% |
| October 29, 2021 | 1.3462 | -0.104% |
| October 28, 2021 | 1.3476 | -0.067% |
| October 27, 2021 | 1.3485 | +0.193% |
| October 26, 2021 | 1.3459 | -0.104% |
| October 25, 2021 | 1.3473 | +0.000% |
| October 22, 2021 | 1.3473 | +0.045% |
| October 21, 2021 | 1.3467 | +0.149% |
| October 20, 2021 | 1.3447 | +0.045% |
| October 19, 2021 | 1.3441 | -0.393% |
| October 18, 2021 | 1.3494 | +0.119% |
| October 15, 2021 | 1.3478 | -0.030% |
| October 14, 2021 | 1.3482 | -0.369% |
| October 13, 2021 | 1.3532 | -0.177% |
| October 12, 2021 | 1.3556 | +0.155% |
| October 11, 2021 | 1.3535 | -0.140% |
| October 8, 2021 | 1.3554 | -0.162% |
| October 7, 2021 | 1.3576 | -0.272% |
| October 6, 2021 | 1.3613 | +0.324% |
| October 5, 2021 | 1.3569 | +0.074% |
| October 4, 2021 | 1.3559 | -0.029% |
| October 1, 2021 | 1.3563 | -0.353% |
| September 30, 2021 | 1.3611 | +0.258% |
| September 29, 2021 | 1.3576 | +0.052% |
| September 28, 2021 | 1.3569 | +0.207% |
| September 27, 2021 | 1.3541 | +0.022% |
| September 24, 2021 | 1.3538 | +0.393% |
| September 23, 2021 | 1.3485 | -0.244% |
| September 22, 2021 | 1.3518 | +0.007% |
| September 21, 2021 | 1.3517 | -0.059% |
| September 20, 2021 | 1.3525 | +0.513% |
| September 17, 2021 | 1.3456 | +0.149% |
| September 16, 2021 | 1.3436 | +0.171% |
| September 15, 2021 | 1.3413 | -0.149% |
| September 14, 2021 | 1.3433 | +0.022% |
| September 13, 2021 | 1.3430 | +0.351% |
| September 10, 2021 | 1.3383 | -0.365% |
| September 9, 2021 | 1.3432 | -0.141% |
| September 8, 2021 | 1.3451 | -0.022% |
| September 7, 2021 | 1.3454 | +0.223% |
| September 6, 2021 | 1.3424 | -0.022% |
| September 3, 2021 | 1.3427 | -0.097% |
| September 2, 2021 | 1.3440 | -0.215% |
| September 1, 2021 | 1.3469 | +0.268% |
| August 31, 2021 | 1.3433 | -0.178% |
| August 30, 2021 | 1.3457 | -0.385% |
| August 27, 2021 | 1.3509 | -0.148% |
| August 26, 2021 | 1.3529 | -0.148% |
| August 25, 2021 | 1.3549 | -0.074% |
| August 24, 2021 | 1.3559 | -0.221% |
| August 23, 2021 | 1.3589 | -0.301% |
| August 20, 2021 | 1.3630 | +0.000% |
| August 19, 2021 | 1.3630 | +0.228% |
| August 18, 2021 | 1.3599 | +0.059% |
| August 17, 2021 | 1.3591 | +0.199% |
| August 16, 2021 | 1.3564 | -0.059% |
| August 13, 2021 | 1.3572 | -0.007% |
| August 12, 2021 | 1.3573 | -0.118% |
| August 11, 2021 | 1.3589 | +0.059% |
| August 10, 2021 | 1.3581 | +0.184% |
| August 9, 2021 | 1.3556 | +0.333% |
| August 6, 2021 | 1.3511 | +0.089% |
| August 5, 2021 | 1.3499 | +0.067% |
| August 4, 2021 | 1.3490 | -0.141% |
| August 3, 2021 | 1.3509 | -0.074% |
| August 2, 2021 | 1.3519 | -0.089% |
| July 30, 2021 | 1.3531 | -0.044% |
| July 29, 2021 | 1.3537 | -0.463% |
| July 28, 2021 | 1.3600 | +0.015% |
| July 27, 2021 | 1.3598 | -0.022% |
| July 26, 2021 | 1.3601 | +0.044% |
| July 23, 2021 | 1.3595 | -0.074% |
| July 22, 2021 | 1.3605 | -0.548% |
| July 21, 2021 | 1.3680 | +0.015% |
| July 20, 2021 | 1.3678 | +0.301% |
| July 19, 2021 | 1.3637 | +0.635% |
| July 16, 2021 | 1.3551 | +0.044% |
| July 15, 2021 | 1.3545 | +0.059% |
| July 14, 2021 | 1.3537 | +0.118% |
| July 13, 2021 | 1.3521 | -0.015% |
| July 12, 2021 | 1.3523 | +0.044% |
| July 9, 2021 | 1.3517 | -0.118% |
| July 8, 2021 | 1.3533 | +0.542% |
| July 7, 2021 | 1.3460 | +0.089% |
| July 6, 2021 | 1.3448 | -0.015% |
| July 5, 2021 | 1.3450 | -0.422% |
| July 2, 2021 | 1.3507 | +0.394% |
| July 1, 2021 | 1.3454 | +0.082% |
| June 30, 2021 | 1.3443 | -0.022% |
| June 29, 2021 | 1.3446 | +0.000% |
| June 28, 2021 | 1.3446 | +0.209% |
| June 25, 2021 | 1.3418 | -0.149% |
| June 24, 2021 | 1.3438 | -0.030% |
| June 23, 2021 | 1.3442 | -0.134% |
| June 22, 2021 | 1.3460 | +0.104% |
| June 21, 2021 | 1.3446 | +0.127% |
| June 18, 2021 | 1.3429 | +0.187% |
| June 17, 2021 | 1.3404 | +1.109% |
| June 16, 2021 | 1.3257 | -0.068% |
| June 15, 2021 | 1.3266 | -0.015% |
| June 14, 2021 | 1.3268 | +0.174% |
| June 11, 2021 | 1.3245 | -0.030% |
| June 10, 2021 | 1.3249 | +0.151% |
| June 9, 2021 | 1.3229 | -0.030% |
| June 8, 2021 | 1.3233 | +0.008% |
| June 7, 2021 | 1.3232 | -0.376% |
| June 4, 2021 | 1.3282 | +0.287% |
| June 3, 2021 | 1.3244 | +0.060% |
| June 2, 2021 | 1.3236 | +0.076% |
| June 1, 2021 | 1.3226 | +0.045% |
| May 31, 2021 | 1.3220 | -0.309% |
| May 28, 2021 | 1.3261 | +0.181% |
| May 27, 2021 | 1.3237 | -0.008% |
| May 26, 2021 | 1.3238 | -0.121% |
| May 25, 2021 | 1.3254 | -0.308% |
| May 24, 2021 | 1.3295 | -0.090% |
| May 21, 2021 | 1.3307 | -0.135% |
| May 20, 2021 | 1.3325 | +0.045% |
| May 19, 2021 | 1.3319 | +0.203% |
| May 18, 2021 | 1.3292 | -0.554% |
| May 17, 2021 | 1.3366 | +0.263% |
| May 14, 2021 | 1.3331 | -0.090% |
| May 13, 2021 | 1.3343 | +0.414% |
| May 12, 2021 | 1.3288 | +0.287% |
| May 11, 2021 | 1.3250 | +0.083% |
| May 10, 2021 | 1.3239 | -0.601% |
| May 7, 2021 | 1.3319 | -0.210% |
| May 6, 2021 | 1.3347 | -0.075% |
| May 5, 2021 | 1.3357 | -0.105% |
| May 4, 2021 | 1.3371 | +0.375% |
| May 3, 2021 | 1.3321 | +0.309% |
| April 30, 2021 | 1.3280 | +0.196% |
| April 29, 2021 | 1.3254 | -0.075% |
| April 28, 2021 | 1.3264 | +0.060% |
| April 27, 2021 | 1.3256 | -0.045% |
| April 26, 2021 | 1.3262 | -0.053% |
| April 23, 2021 | 1.3269 | -0.105% |
| April 22, 2021 | 1.3283 | -0.135% |
| April 21, 2021 | 1.3301 | +0.128% |
| April 20, 2021 | 1.3284 | -0.165% |
| April 19, 2021 | 1.3306 | -0.195% |
| April 16, 2021 | 1.3332 | -0.097% |
| April 15, 2021 | 1.3345 | -0.202% |
| April 14, 2021 | 1.3372 | -0.462% |
| April 13, 2021 | 1.3434 | +0.172% |
| April 12, 2021 | 1.3411 | +0.015% |
| April 9, 2021 | 1.3409 | +0.030% |
| April 8, 2021 | 1.3405 | +0.082% |
| April 7, 2021 | 1.3394 | -0.119% |
| April 6, 2021 | 1.3410 | -0.312% |
| April 1, 2021 | 1.3452 | +0.030% |
| March 31, 2021 | 1.3448 | -0.163% |
| March 30, 2021 | 1.3470 | +0.082% |
| March 29, 2021 | 1.3459 | -0.045% |
| March 26, 2021 | 1.3465 | -0.045% |
| March 25, 2021 | 1.3471 | +0.082% |
| March 24, 2021 | 1.3460 | +0.246% |
| March 23, 2021 | 1.3427 | +0.134% |
| March 22, 2021 | 1.3409 | -0.156% |
| March 19, 2021 | 1.3430 | -0.097% |
| March 18, 2021 | 1.3443 | -0.186% |
| March 17, 2021 | 1.3468 | +0.082% |
| March 16, 2021 | 1.3457 | +0.007% |
| March 15, 2021 | 1.3456 | +0.022% |
| March 12, 2021 | 1.3453 | +0.433% |
| March 11, 2021 | 1.3395 | -0.557% |
| March 10, 2021 | 1.3470 | +0.067% |
| March 9, 2021 | 1.3461 | -0.148% |
| March 8, 2021 | 1.3481 | +0.537% |
| March 5, 2021 | 1.3409 | +0.698% |
| March 4, 2021 | 1.3316 | +0.015% |
| March 3, 2021 | 1.3314 | -0.015% |
| March 2, 2021 | 1.3316 | +0.045% |
| March 1, 2021 | 1.3310 | +0.166% |
| February 26, 2021 | 1.3288 | +0.774% |
| February 25, 2021 | 1.3186 | -0.204% |
| February 24, 2021 | 1.3213 | -0.023% |
| February 23, 2021 | 1.3216 | -0.144% |
| February 22, 2021 | 1.3235 | +0.045% |
| February 19, 2021 | 1.3229 | -0.264% |
| February 18, 2021 | 1.3264 | -0.196% |
| February 17, 2021 | 1.3290 | +0.325% |
| February 16, 2021 | 1.3247 | +0.136% |
| February 15, 2021 | 1.3229 | -0.301% |
| February 12, 2021 | 1.3269 | +0.234% |
| February 11, 2021 | 1.3238 | -0.166% |
| February 10, 2021 | 1.3260 | -0.151% |
| February 9, 2021 | 1.3280 | -0.606% |
| February 8, 2021 | 1.3361 | -0.142% |
| February 5, 2021 | 1.3380 | +0.157% |
| February 4, 2021 | 1.3359 | +0.203% |
| February 3, 2021 | 1.3332 | +0.098% |
| February 2, 2021 | 1.3319 | +0.015% |
| February 1, 2021 | 1.3317 | +0.248% |
| January 29, 2021 | 1.3284 | -0.353% |
| January 28, 2021 | 1.3331 | +0.376% |
| January 27, 2021 | 1.3281 | +0.173% |
| January 26, 2021 | 1.3258 | -0.083% |
| January 25, 2021 | 1.3269 | -0.105% |
| January 22, 2021 | 1.3283 | +0.423% |
| January 21, 2021 | 1.3227 | -0.301% |
| January 20, 2021 | 1.3267 | -0.113% |
| January 19, 2021 | 1.3282 | -0.338% |
| January 18, 2021 | 1.3327 | +0.316% |
| January 15, 2021 | 1.3285 | +0.105% |
| January 14, 2021 | 1.3271 | +0.038% |
| January 13, 2021 | 1.3266 | -0.083% |
| January 12, 2021 | 1.3277 | -0.195% |
| January 11, 2021 | 1.3303 | +0.423% |
| January 8, 2021 | 1.3247 | +0.053% |
| January 7, 2021 | 1.3240 | +0.554% |
| January 6, 2021 | 1.3167 | -0.144% |
| January 5, 2021 | 1.3186 | +0.099% |
| January 4, 2021 | 1.3173 | -0.333% |
| December 31, 2020 | 1.3217 | — |
The USD/SGD exchange rate averaged 1.3438 in 2021, trading between a low of 1.3167 and a high of 1.3701,a range of 4.1% over the year. The rate rose by 2.07% over the full year, from 1.3217 at the opening of 2021 to 1.3490 at year-end.
Q1 (2021): January through March averaged 1.3324, a +0.81% move from the 2021 opening rate of 1.3217.
Q2 (2021): April through June averaged 1.3328, up 0.03% from Q1.
Q3 (2021): July through September averaged 1.3527, a +1.50% change from Q2.
Q4 (2021): October through December averaged 1.3570, closing the year at 1.3490, a 2.07% gain for USD against SGD from the 2021 open.
Annualized volatility for USD/SGD in 2021 was 3.8%, calculated as the annualized standard deviation of daily log returns across 259 trading days. For reference, major currency pairs average 5–10% annualized volatility in calm years and 12–20% during significant policy or market disruptions. Volatility above 10% generally indicates conditions where hedging currency exposure was material for businesses and travelers with significant USD/SGD exposure.
| Month | Avg Rate | High | Low | vs Prior Month |
|---|---|---|---|---|
| January | 1.3261 | 1.3331 | 1.3167 | — |
| February | 1.3276 | 1.3380 | 1.3186 | +0.11% |
| March | 1.3426 | 1.3481 | 1.3310 | +1.13% |
| April | 1.3336 | 1.3452 | 1.3254 | -0.67% |
| May | 1.3299 | 1.3371 | 1.3220 | -0.28% |
| June | 1.3334 | 1.3460 | 1.3226 | +0.26% |
| July | 1.3550 | 1.3680 | 1.3448 | +1.63% |
| August | 1.3547 | 1.3630 | 1.3433 | -0.02% |
| September | 1.3479 | 1.3611 | 1.3383 | -0.51% |
| October | 1.3509 | 1.3613 | 1.3441 | +0.23% |
| November | 1.3569 | 1.3701 | 1.3476 | +0.45% |
| December | 1.3627 | 1.3698 | 1.3490 | +0.42% |
What was the USD to SGD exchange rate in 2021?
The USD/SGD rate averaged 1.3438 in 2021, ranging from a low of 1.3167 to a high of 1.3701.
What was the highest USD/SGD rate in 2021?
The highest USD to SGD rate recorded in 2021 was 1.3701. The lowest was 1.3167.
How much did the USD/SGD rate change in 2021?
The USD/SGD rate rose by 2.07% in 2021, from 1.3217 to 1.3490.
What was the USD/SGD annual trading range in 2021?
The USD/SGD pair traded in a range of 1.3167 to 1.3701 in 2021,a spread of 4.1% between the year's low and high.
Was 2021 a good year to exchange USD to SGD?
The USD/SGD rate rose 2.07% over 2021, closing at 1.3490. For those converting USD to SGD, the year-end rate was more favorable than the start of year. Historical data like this can provide useful context when planning future currency exchanges.
Where can I find USD/SGD rates for other years?
LiveRates.io provides complete daily historical rates for USD/SGD going back to 2000. Use the year navigation above to view adjacent years, or visit the main USD to SGD page for current rates, a 30-day chart, and links to all available historical years.