HEATERS FOR EVERY APPLICATION
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HEATERS FOR EVERY APPLICATION
Technical: Mathematical Conversions
Circumferences and Areas of Circles.
| Diam- eter |
Circum- ference |
Area | Diam- eter |
Circum- ference |
Area | Diam- eter |
Circum- ference |
Area |
| 1/64 | 0.0491 | 0.0002 | 2 | 6.2832 | 3.1416 | 5 | 15.7080 | 19.635 |
| 1/32 | 0.0982 | 0.0008 | 2 1/16 | 6.4795 | 3.3410 | 5 1/16 | 15.9043 | 20.129 |
| 1/16 | 0.1963 | 0.0031 | 2 1/8 | 6.6759 | 3.5466 | 5 1/8 | 16.1007 | 20.629 |
| 8/32 | 0.2945 | 0.0069 | 2 3/16 | 6.8722 | 3.7583 | 5 3/16 | 16.2970 | 21.135 |
| 1/8 | 0.3927 | 0.0123 | 2 1/4 | 7.0686 | 3.9761 | 5 1/4 | 16.4934 | 21.648 |
| 5/32 | 0.4909 | 0.0192 | 2 5/16 | 7.2649 | 4.2000 | 5 5/16 | 16.6987 | 22.166 |
| 3/16 | 0.5890 | 0.0276 | 2 3/8 | 7.4613 | 4.4301 | 5 3/8 | 16.8861 | 22.691 |
| 7/32 | 0.6872 | 0.0376 | 2 7/16 | 7.6576 | 4.6664 | 5 7/16 | 17.0824 | 23.221 |
| 1/4 | 0.7854 | 0.0491 | 2 1/2 | 7.8540 | 4.9087 | 5 1/2 | 17.2788 | 23.758 |
| 9/32 | 0.8836 | 0.0621 | 2 9/16 | 8.0503 | 5.1572 | 5 9/16 | 17.4751 | 24.301 |
| 5/16 | 0.9817 | 0.0767 | 2 5/8 | 8.2467 | 5.4119 | 5 5/8 | 17.6715 | 24.850 |
| 11/32 | 1.0799 | 0.0928 | 2 11/16 | 8.4430 | 5.6727 | 5 11/16 | 17.8678 | 25.406 |
| 3/8 | 1.1781 | 0.1104 | 2 3/4 | 8.6394 | 5.9396 | 5 3/4 | 18.0642 | 25.967 |
| 13/32 | 1.2763 | 0.1296 | 2 13/16 | 8.8357 | 6.2126 | 5 13/16 | 18.2605 | 26.535 |
| 7/16 | 1.3744 | 0.1503 | 2 7/8 | 9.0321 | 6.4918 | 5 7/8 | 18.4569 | 27.109 |
| 15/32 | 1.4726 | 0.1726 | 2 15/16 | 9.2284 | 6.7771 | 5 15/16 | 18.6532 | 27.688 |
| 1/2 | 1.5708 | 0.1963 | 3 | 9.4248 | 7.0686 | 6 | 18.8496 | 28.274 |
| 17/32 | 1.6690 | 0.2217 | 3 1/16 | 9.6211 | 7.3662 | 6 1/8 | 19.2423 | 29.465 |
| 9/16 | 1.7671 | 0.2485 | 3 1/8 | 9.8175 | 7.6699 | 6 1/4 | 19.6350 | 30.680 |
| 19/32 | 1.8653 | 0.2769 | 3 3/16 | 10.0138 | 7.9798 | 6 3/8 | 20.0277 | 31.919 |
| 5/8 | 1.9635 | 0.3068 | 3 1/4 | 10.2102 | 8.2958 | 6 1/2 | 20.4204 | 33.183 |
| 21/32 | 2.0617 | 0.3382 | 3 5/16 | 10.4065 | 8.6179 | 6 5/8 | 20.8131 | 34.472 |
| 11/16 | 2.1598 | 0.3712 | 3 3/8 | 10.6029 | 8.9462 | 6 3/4 | 21.2058 | 35.785 |
| 23/32 | 2.2580 | 0.4057 | 3 7/16 | 10.7992 | 9.2806 | 6 7/8 | 21.5984 | 37.122 |
| 3/4 | 2.3562 | 0.4418 | 3 1/2 | 10.9956 | 9.6211 | 7 | 21.9911 | 38.485 |
| 25/32 | 2.4544 | 0.4794 | 3 9/16 | 11.1919 | 9.9678 | 7 1/8 | 22.3838 | 39.871 |
| 13/16 | 2.5525 | 0.5185 | 3 6/8 | 11.3883 | 10.321 | 7 1/4 | 22.7765 | 41.282 |
| 27/32 | 2.6507 | 0.5591 | 3 11/16 | 11.5846 | 10.680 | 7 3/8 | 23.1692 | 42.718 |
| 7/8 | 2.7489 | 0.6013 | 3 3/4 | 11.7810 | 11.045 | 7 1/2 | 23.5619 | 44.179 |
| 29/32 | 2.8471 | 0.6450 | 3 13/16 | 11.9773 | 11.416 | 7 5/8 | 23.9546 | 45.664 |
| 15/16 | 2.9452 | 0.6903 | 3 7/8 | 12.1737 | 11.793 | 7 3/4 | 24.3473 | 47.173 |
| 31/32 | 3.0434 | 0.7371 | 3 15/16 | 12.3700 | 12.177 | 7 7/8 | 24.7400 | 48.707 |
| 1 | 3.1416 | 0.7854 | 4 | 12.5664 | 12.566 | 8 | 25.1327 | 50.265 |
| 1 1/16 | 3.3379 | 0.8866 | 4 1/16 | 12.7627 | 12.962 | 8 1/8 | 25.5254 | 51.849 |
| 1 1/8 | 3.5343 | 0.9940 | 4 1/8 | 12.9591 | 13.364 | 8 1/4 | 25.9181 | 53.456 |
| 1 3/16 | 3.7306 | 1.1075 | 4 3/16 | 13.1554 | 13.772 | 8 3/8 | 26.3108 | 55.088 |
| 1 1/4 | 3.9270 | 1.2272 | 4 1/4 | 13.3518 | 14.186 | 8 1/2 | 26.7035 | 56.745 |
| 1 5/16 | 4.1233 | 1.3530 | 4 5/16 | 13.5481 | 14.607 | 8 5/8 | 27.0962 | 58.426 |
| 1 3/8 | 4.3197 | 1.4849 | 4 3/8 | 13.7445 | 15.033 | 8 3/4 | 27.4889 | 60.132 |
| 1 7/16 | 4.5160 | 1.6230 | 4 7/16 | 13.9408 | 15.466 | 8 7/8 | 27.8816 | 61.862 |
| 1 1/2 | 4.7124 | 1.7671 | 4 1/2 | 14.1372 | 15.904 | 9 | 28.2743 | 63.617 |
| 1 9/16 | 4.9087 | 1.9175 | 4 9/16 | 14.3335 | 16.349 | 9 1/8 | 28.6670 | 65.397 |
| 1 5/8 | 5.1051 | 2.0739 | 4 5/8 | 14.5299 | 16.800 | 9 1/4 | 29.0597 | 67.201 |
| 1 11/16 | 5.3014 | 2.2365 | 4 11/16 | 14.7262 | 17.257 | 9 3/8 | 29.4524 | 69.029 |
| 1 3/4 | 5.4978 | 2.4053 | 4 3/4 | 14.9226 | 17.721 | 9 1/2 | 29.8451 | 70.882 |
| 1 13/16 | 5.6941 | 2.5802 | 4 13/16 | 15.1189 | 18.190 | 9 5/8 | 30.2378 | 72.760 |
| 1 7/8 | 5.8905 | 2.7612 | 4 7/8 | 15.3153 | 18.665 | 9 3/4 | 30.6305 | 74.662 |
| 1 15/16 | 6.0868 | 2.9483 | 4 15/16 | 15.5116 | 19.147 | 9 7/8 | 31.0232 | 76.589 |
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