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These tables are computed on the basis of nominal annual rates compounded monthly. Please choose the page with the applicable annual rate:
- You need a 20-year conventional mortgage of $100,000. Current market rate is 20½%. How much is the required monthly mortgage payment?
- Find the column with interest rate of 20½% below.
- Find the row for 20 year, the number inside the cell is 17.38154
- The monthly payment is 100 × 17.38154 = $1738.15
| Monthly Payments for $1000 Mortgage |
| Yrs | Interest Rate (% p.a.) |
| 19 | 19¼ | 19½ | 19¾ | 20 | 20¼ | 20½ | 20¾ |
| 1 | 92.15658 | 92.27593 | 92.39537 | 92.51490 | 92.63451 | 92.75420 | 92.87397 | 92.99383 |
| 2 | 50.40862 | 50.53016 | 50.65188 | 50.77376 | 50.89580 | 51.01802 | 51.14039 | 51.26294 |
| 3 | 36.65602 | 36.78254 | 36.90931 | 37.03632 | 37.16358 | 37.29109 | 37.41884 | 37.54683 |
| 4 | 29.90012 | 30.03220 | 30.16460 | 30.29732 | 30.43036 | 30.56372 | 30.69739 | 30.83139 |
| 5 | 25.94055 | 26.07830 | 26.21645 | 26.35497 | 26.49388 | 26.63318 | 26.77286 | 26.91292 |
| 6 | 23.37672 | 23.52008 | 23.66388 | 23.80813 | 23.95283 | 24.09796 | 24.24353 | 24.38955 |
| 7 | 21.60802 | 21.75682 | 21.90612 | 22.05591 | 22.20620 | 22.35698 | 22.50824 | 22.65999 |
| 8 | 20.33386 | 20.48789 | 20.64246 | 20.79756 | 20.95320 | 21.10937 | 21.26606 | 21.42327 |
| 9 | 19.38708 | 19.54608 | 19.70566 | 19.86580 | 20.02650 | 20.18777 | 20.34958 | 20.51195 |
| 10 | 18.66724 | 18.83093 | 18.99522 | 19.16010 | 19.32557 | 19.49161 | 19.65823 | 19.82542 |
| 19 | 19¼ | 19½ | 19¾ | 20 | 20¼ | 20½ | 20¾ |
| 11 | 18.11033 | 18.27842 | 18.44713 | 18.61643 | 18.78634 | 18.95684 | 19.12792 | 19.29957 |
| 12 | 17.67365 | 17.84584 | 18.01865 | 18.19207 | 18.36609 | 18.54070 | 18.71589 | 18.89167 |
| 13 | 17.32762 | 17.50361 | 17.68021 | 17.85742 | 18.03522 | 18.21361 | 18.39258 | 18.57213 |
| 14 | 17.05115 | 17.23062 | 17.41071 | 17.59139 | 17.77265 | 17.95450 | 18.13691 | 18.31987 |
| 15 | 16.82876 | 17.01143 | 17.19470 | 17.37855 | 17.56297 | 17.74794 | 17.93347 | 18.11953 |
| 16 | 16.64893 | 16.83451 | 17.02067 | 17.20739 | 17.39466 | 17.58247 | 17.77080 | 17.95965 |
| 17 | 16.50288 | 16.69110 | 16.87988 | 17.06919 | 17.25903 | 17.44938 | 17.64022 | 17.83156 |
| 18 | 16.38384 | 16.57445 | 16.76558 | 16.95722 | 17.14936 | 17.34199 | 17.53508 | 17.72864 |
| 19 | 16.28655 | 16.47930 | 16.67255 | 16.86627 | 17.06046 | 17.25511 | 17.45020 | 17.64572 |
| 20 | 16.20685 | 16.40152 | 16.59665 | 16.79223 | 16.98825 | 17.18469 | 17.38154 | 17.57879 |
| 19 | 19¼ | 19½ | 19¾ | 20 | 20¼ | 20½ | 20¾ |
| 21 | 16.14143 | 16.33780 | 16.53461 | 16.73184 | 16.92948 | 17.12750 | 17.32591 | 17.52468 |
| 22 | 16.08764 | 16.28554 | 16.48384 | 16.68252 | 16.88158 | 17.08100 | 17.28077 | 17.48088 |
| 23 | 16.04337 | 16.24261 | 16.44222 | 16.64219 | 16.84251 | 17.04315 | 17.24411 | 17.44539 |
| 24 | 16.00689 | 16.20732 | 16.40809 | 16.60918 | 16.81060 | 17.01231 | 17.21431 | 17.41660 |
| 25 | 15.97680 | 16.17827 | 16.38006 | 16.58215 | 16.78452 | 16.98716 | 17.19007 | 17.39323 |
| 26 | 15.95197 | 16.15436 | 16.35704 | 16.55998 | 16.76319 | 16.96665 | 17.17034 | 17.37425 |
| 27 | 15.93146 | 16.13465 | 16.33811 | 16.54181 | 16.74574 | 16.94990 | 17.15427 | 17.35884 |
| 28 | 15.91451 | 16.11841 | 16.32254 | 16.52690 | 16.73146 | 16.93622 | 17.14118 | 17.34631 |
| 29 | 15.90051 | 16.10502 | 16.30974 | 16.51466 | 16.71977 | 16.92505 | 17.13051 | 17.33612 |
| 30 | 15.88892 | 16.09397 | 16.29920 | 16.50461 | 16.71019 | 16.91592 | 17.12181 | 17.32784 |
| 19 | 19¼ | 19½ | 19¾ | 20 | 20¼ | 20½ | 20¾ |
| 31 | 15.87935 | 16.08485 | 16.29053 | 16.49636 | 16.70234 | 16.90846 | 17.11472 | 17.32110 |
| 32 | 15.87142 | 16.07733 | 16.28338 | 16.48958 | 16.69591 | 16.90237 | 17.10894 | 17.31562 |
| 33 | 15.86486 | 16.07112 | 16.27750 | 16.48401 | 16.69064 | 16.89738 | 17.10422 | 17.31116 |
| 34 | 15.85944 | 16.06599 | 16.27266 | 16.47944 | 16.68632 | 16.89330 | 17.10038 | 17.30753 |
| 35 | 15.85495 | 16.06176 | 16.26867 | 16.47568 | 16.68278 | 16.88997 | 17.09724 | 17.30458 |
| 36 | 15.85123 | 16.05826 | 16.26538 | 16.47259 | 16.67988 | 16.88725 | 17.09468 | 17.30218 |
| 37 | 15.84815 | 16.05537 | 16.26267 | 16.47005 | 16.67750 | 16.88502 | 17.09259 | 17.30022 |
| 38 | 15.84560 | 16.05299 | 16.26044 | 16.46797 | 16.67555 | 16.88319 | 17.09089 | 17.29863 |
| 39 | 15.84349 | 16.05102 | 16.25861 | 16.46625 | 16.67395 | 16.88170 | 17.08950 | 17.29734 |
| 40 | 15.84175 | 16.04939 | 16.25709 | 16.46484 | 16.67264 | 16.88048 | 17.08836 | 17.29628 |
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